1,040 results match your criteria Brain imaging and behavior[Journal]


Connectivity and morphology of hubs of the cerebral structural connectome are associated with brain resilience in AD- and age-related pathology.

Brain Imaging Behav 2019 Apr 12. Epub 2019 Apr 12.

Department of Psychiatry and Psychotherapy, University Medical Center Mainz, Untere Zahlbacher Str. 8, 55131, Mainz, Germany.

The physiological basis of resilience to age-associated and AD-typical neurodegenerative pathology is still not well understood. So far, the established resilience factor intelligence has been shown to be associated with white matter network global efficiency, a key constituent of which are highly connected hubs. However, hub properties have also been shown to be impaired in AD. Read More

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http://dx.doi.org/10.1007/s11682-019-00090-yDOI Listing

Decreased grey matter volume in mTBI patients with post-traumatic headache compared to headache-free mTBI patients and healthy controls: a longitudinal MRI study.

Brain Imaging Behav 2019 Apr 12. Epub 2019 Apr 12.

Department of Neural and Pain Sciences, School of Dentistry, University of Maryland Baltimore, 650 W. Baltimore Street, 8 South, Baltimore, MD, 21201, USA.

Traumatic brain injury (TBI) occurs in 1.7 million people annually and many patients go on to develop persistent disorders including post-traumatic headache (PTH). PTH is considered chronic if it continues past 3 months. Read More

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http://dx.doi.org/10.1007/s11682-019-00095-7DOI Listing

Disrupted structural brain connectome underlying the cognitive deficits in remitted late-onset depression.

Brain Imaging Behav 2019 Apr 11. Epub 2019 Apr 11.

Neuropsychiatric Institute and Medical School of Southeast University, Nanjing, 210009, Jiang Su, China.

Cognitive deficit is a key feature of late-onset depression (LOD) and remains after clinical recovery. LOD has been associated with widespread neurobiological difficulties, including atrophy in gray and white matter (WM) tissue in areas distributed throughout the brain. However, little is known about the topological pattern changes of WM structural networks in LOD in the remitted state and its relationship to cognitive deficits. Read More

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http://link.springer.com/10.1007/s11682-019-00091-x
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http://dx.doi.org/10.1007/s11682-019-00091-xDOI Listing
April 2019
2 Reads

Irregular structural networks of gray matter in patients with type 2 diabetes mellitus.

Brain Imaging Behav 2019 Apr 11. Epub 2019 Apr 11.

Department of MRI, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.

Type 2 diabetes mellitus (T2DM) induces dementia and cognitive decrements indicating the impairment of the central nervous system. While there is evidence showing abnormalities in white-matter structural networks in T2DM, the topological features of gray matter are still unknown. The study enrolled 30 right-handed T2DM patients and 20 healthy control subjects with matched age, gender, handedness, and education. Read More

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http://dx.doi.org/10.1007/s11682-019-00070-2DOI Listing

White matter disconnection is related to age-related phonological deficits.

Brain Imaging Behav 2019 Apr 2. Epub 2019 Apr 2.

Department of Psychology, Pennsylvania State University, 365 Moore Building, University Park, PA, 16802, USA.

Older adults have more language production difficulties than younger adults but display largely comparable language comprehension abilities. The Transmission Deficit Hypothesis suggests that production difficulties stem from an age-related increase in phonological signal transmission failures, while the semantic system, being more redundant than the phonological system, allows comprehension to be relatively preserved despite signal failures. Though the neural instantiation of the Transmission Deficit Hypothesis remains an open question, white matter represents one important factor to investigate. Read More

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http://link.springer.com/10.1007/s11682-019-00086-8
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http://dx.doi.org/10.1007/s11682-019-00086-8DOI Listing
April 2019
1 Read

Longitudinal fMRI task reveals neural plasticity in default mode network with disrupted executive-default coupling and selective attention after traumatic brain injury.

Brain Imaging Behav 2019 Apr 2. Epub 2019 Apr 2.

Center for Cognition & Mind Science, National Tsinghua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan, 30013.

Executive dysfunctions are common in individuals with Traumatic Brain Injury (TBI). However, change in functional neural coupling of default and executive networks in the post-acute phase (≥ 1 month after injury) patients over time has yet to be understood. During a 5-week observation period, we examined changes in the goal-oriented executive function networks in 20 TBI participants, using a face/scene matching 1-back fMRI task (Chen et al. Read More

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http://link.springer.com/10.1007/s11682-019-00094-8
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http://dx.doi.org/10.1007/s11682-019-00094-8DOI Listing
April 2019
1 Read

Chemotherapy-induced brain changes in breast cancer survivors: evaluation with multimodality magnetic resonance imaging.

Brain Imaging Behav 2019 Apr 1. Epub 2019 Apr 1.

Department of Medical Imaging, Jinling Hospital, Nanjing Medical University, Nanjing, 210002, Jiangsu, China.

Chemotherapy related cognitive impairments are common in breast cancer patients undergoing chemotherapy. These cognitive dysfunctions are mainly attributable to chemotherapy related brain structural and functional alterations. Multimodality magnetic resonance imaging (MRI) can reveal brain gray matter volume loss, white matter microstructural disruption, reduced gray matter density, impaired cerebral blood flow and brain structural and functional connection networks at both local and global levels. Read More

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http://dx.doi.org/10.1007/s11682-019-00074-yDOI Listing

Changes of the postcentral cortex in irritable bowel syndrome patients.

Brain Imaging Behav 2019 Mar 29. Epub 2019 Mar 29.

School of Information Technology and Electrical Engineering, University of Queensland, QLD, Brisbane, 4072, Australia.

The postcentral cortex (poCC) is commonly found to respond to visceral stimulation, but researchers usually pay less attention to this role of the poCC in the patients with functional gastrointestinal disorders, because it is a primary receptor for general bodily feeling of touch, such as temperature and pain. The current study focuses on the changes around the poCC in irritable bowel syndrome (IBS) patients based on the resting-state functional magnetic resonance imaging, aiming to investigate whether the poCC-centric brain metrics may be directly related to visceral perception. In the study, we calculated the regional homogeneity, seed-based correlation (SBC) and nodal centralities of the poCC to explore the changes in the regional activity and information flow around the poCC in IBS patients. Read More

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http://dx.doi.org/10.1007/s11682-019-00087-7DOI Listing
March 2019
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Aerobic exercise increases hippocampal subfield volumes in younger adults and prevents volume decline in the elderly.

Brain Imaging Behav 2019 Mar 29. Epub 2019 Mar 29.

Department of Psychiatry and Trinity College Institute of Neuroscience, Trinity College Dublin, College Green, Dublin, 2, Ireland.

Exercise improves both physical and mental health and increases neurogenesis in the dendate gyrus (DG) of the hippocampus. The aim of this study was to examine whether exercising, as compared to no change in regular physical activity, would impact on hippocampal volume, and in particular the core hippocampal structures, DG and cornu ammonis (CA) subfields, and whether any changes would be moderated by age. Thirty nine previously sedentary healthy participants were randomized to either a standardized progressive aerobic exercise program or to "no change" for 16 weeks. Read More

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http://dx.doi.org/10.1007/s11682-019-00088-6DOI Listing

Neural correlates of cognitive control deficits in children with reading disorder.

Brain Imaging Behav 2019 Mar 28. Epub 2019 Mar 28.

The Division of Child and Adolescent Psychiatry in the Department of Psychiatry, the New York State Psychiatric Institute and the College of Physicians & Surgeons, Columbia University, Unit 74. 10032, 1051 Riverside Drive, New York, NY, USA.

Reading disorder (RD) is characterized by deficient phonological processing, but children with RD also have cognitive control deficits, the neural correlates of which are not fully understood. We used fMRI to assess neural activity during the resolution of cognitive conflict on the Simon Spatial Incompatibility task and patterns of resting-state functional connectivity (RSFC) from task control (TC) regions in 7-12-year-old children with RD compared to their typically developing (TD) peers. Relative to TD children (n = 17), those with RD (n = 16) over-engaged a right superior/medial frontal cluster during the resolution of conflict (p = . Read More

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http://dx.doi.org/10.1007/s11682-019-00083-xDOI Listing

Effects of age, sex, and puberty on neural efficiency of cognitive and motor control in adolescents.

Brain Imaging Behav 2019 Mar 23. Epub 2019 Mar 23.

Center for Health Sciences, Neuroscience Program, Biosciences Division, SRI International, Menlo Park, CA, 94025-3493, USA.

Critical changes in adolescence involve brain cognitive maturation of inhibitory control processes that are essential for a myriad of adult functions. Cognitive control advances into adulthood as there is more flexible integration of component processes, including inhibitory control of conflicting information, overwriting inappropriate response tendencies, and amplifying relevant responses for accurate execution. Using a modified Stroop task with fMRI, we investigated the effects of age, sex, and puberty on brain functional correlates of cognitive and motor control in 87 boys and 91 girls across the adolescent age range. Read More

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http://link.springer.com/10.1007/s11682-019-00075-x
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http://dx.doi.org/10.1007/s11682-019-00075-xDOI Listing
March 2019
3 Reads

Association between APOE e4 and white matter hyperintensity volume, but not total brain volume or white matter integrity.

Brain Imaging Behav 2019 Mar 22. Epub 2019 Mar 22.

Institute of Health & Wellbeing, University of Glasgow, 1 Lilybank Gardens, G12 8RZ, Glasgow, Scotland, UK.

Apolipoprotein (APOE) e4 genotype is an accepted risk factor for accelerated cognitive aging and dementia, though its neurostructural substrates are unclear. The deleterious effects of this genotype on brain structure may increase in magnitude into older age. This study aimed to investigate in UK Biobank the association between APOE e4 allele presence vs. Read More

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http://dx.doi.org/10.1007/s11682-019-00069-9DOI Listing

Functional brain changes associated with cognitive training in healthy older adults: A preliminary ALE meta-analysis.

Brain Imaging Behav 2019 Mar 21. Epub 2019 Mar 21.

Department of Psychology, University of Georgia, Athens, GA, 30602-3001, USA.

Accumulating evidence suggests that cognitive training (CT) programs may provide healthy older adults (OAs) with cognitive benefits that are accompanied by alterations in neural activity. The current review offers the first quantitative synthesis of the available literature on the neural effects of CT in healthy aging. It was hypothesized that OAs would evidence increased and decreased neural activations across various challenging CTs, and that these effects would be observed as significantly altered clusters within regions of the frontoparietal network (FPN). Read More

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http://dx.doi.org/10.1007/s11682-019-00080-0DOI Listing
March 2019
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White matter correlates of scam susceptibility in community-dwelling older adults.

Brain Imaging Behav 2019 Mar 20. Epub 2019 Mar 20.

Rush Alzheimer's Disease Center, Rush University Medical Center, 1750 W Harrison Street, Suite 1000, Chicago, IL, 60612, USA.

Scam susceptibility places older adults - even those with intact cognition - at great risk. Lower grey matter volumes, particularly within right medial temporal regions, are associated with higher scam susceptibility; however, very little is known about white matter associates. We investigated associations between white matter integrity measured using diffusion tensor imaging (DTI) and scam susceptibility in 302 non-demented older adults (75% female; mean years: age = 81. Read More

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http://dx.doi.org/10.1007/s11682-019-00079-7DOI Listing
March 2019
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White matter microstructure relates to lassitude but not diagnosis in adolescents with depression.

Brain Imaging Behav 2019 Mar 19. Epub 2019 Mar 19.

Department of Psychiatry and Behavioral Sciences, School of Medicine, University of Minnesota, 2450 Riverside Avenue, Minneapolis, MN, 55454, USA.

The neurobiology of adolescent depression remains poorly understood. Initial studies suggested impaired white matter microstructure in adults and adolescents, but findings have not been consistent. Challenges in this literature have included small samples, medication confounds and inconsistent correction for type I error. Read More

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http://dx.doi.org/10.1007/s11682-019-00078-8DOI Listing

Aberrant functional connectivity in patients with Parkinson's disease and freezing of gait: a within- and between-network analysis.

Brain Imaging Behav 2019 Mar 19. Epub 2019 Mar 19.

Department of Human Neuroscience, Sapienza University of Rome, Viale dell'Università, 30, 00185, Rome, Italy.

Freezing of gait (FOG) is a disabling motor symptom that affects patients with Parkinson's disease (PD). MRI-based evidence suggest that multiple brain structures are involved in the occurrence of FOG. We investigated the integrity of the neuronal networks in PD patients with FOG (PD-FOG), considering both within-network resting-state functional connectivity (rsFC) and between-network rsFC. Read More

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http://dx.doi.org/10.1007/s11682-019-00085-9DOI Listing
March 2019
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Altered mesocorticolimbic functional connectivity in chronic low back pain patients at rest and following sad mood induction.

Brain Imaging Behav 2019 Mar 15. Epub 2019 Mar 15.

Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA.

Depressive symptoms are common among individuals with chronic pain. Previous work suggests that chronic pain patients have difficulty regulating emotional responses, which is a risk factor for the development of major depressive disorder (MDD). Function of the mesocorticolimbic system, a neural network associated with reward processing, contributes to emotion regulation. Read More

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http://dx.doi.org/10.1007/s11682-019-00076-wDOI Listing
March 2019
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Postchemotherapy hippocampal functional connectivity patterns in patients with breast cancer: a longitudinal resting state functional MR imaging study.

Brain Imaging Behav 2019 Mar 15. Epub 2019 Mar 15.

Department of Medical Imaging, Jinling Hospital,Nanjing Medical University, 305 Zhongshan East Road, Xuanwu District, Nanjing, 210002, Jiangsu, China.

The hippocampus plays a key role in cognitive function and emotion regulation due to its wide connection with the whole brain. This study examined the acute effect of chemotherapy on hippocampal and subfield functional connectivity and neuropsychological status in breast cancer patients (BC). This IRB approved study included 29 BC and 25 age matched healthy controls (HCs) who underwent resting state functional magnetic resonance imaging (Rs-fMRI), neuropsychological tests and blood examinations at baseline and one week after completing chemotherapy or in the same time interval. Read More

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http://dx.doi.org/10.1007/s11682-019-00067-xDOI Listing
March 2019
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The cortical distribution of first and second language in the right hemisphere of bilinguals - an exploratory study by repetitive navigated transcranial magnetic stimulation.

Brain Imaging Behav 2019 Mar 14. Epub 2019 Mar 14.

Department of Neurosurgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675, Munich, Germany.

First language (L1) and second language (L2) processing in bilinguals is not yet fully understood, especially not when considering the non-dominant hemisphere. Ten healthy, right-handed volunteers underwent language mapping of the right hemisphere by repetitive navigated transcranial magnetic stimulation and an object-naming task in their L1 and L2. All elicited naming errors together, no responses, and all errors without hesitation were analyzed separately for cortical distributions of error rates (ERs: number of errors divided by the number of applied stimulations). Read More

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http://dx.doi.org/10.1007/s11682-019-00082-yDOI Listing
March 2019
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Longitudinal growth of the basal ganglia and thalamus in very preterm children.

Brain Imaging Behav 2019 Mar 14. Epub 2019 Mar 14.

Murdoch Childrens Research Institute, Melbourne, Victoria, Australia.

The impact of very preterm (VP) birth on the development of individual basal ganglia nuclei and the thalamus during childhood remains unclear. We first aimed to compare (1a) the volumes of individual basal ganglia nuclei (nucleus accumbens, caudate nucleus, pallidum, putamen) and the thalamus at age 7 years, and (1b) their volumetric change from infancy to 7 years, in VP children with term-born children. Secondly, we aimed to (2a) determine whether basal ganglia and thalamic volumes at 7 years, or (2b) basal ganglia and thalamic growth rates from infancy to 7 years were associated with neurodevelopmental outcomes at 7 years, and whether these associations differed between the VP and term-born children. Read More

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http://dx.doi.org/10.1007/s11682-019-00057-zDOI Listing

Plasticity of the resting-state brain: static and dynamic functional connectivity change induced by divergent thinking training.

Brain Imaging Behav 2019 Mar 13. Epub 2019 Mar 13.

Key Laboratory of Cognition and Personality (SWU), Ministry of Education, Chongqing, 400715, China.

Creativity is very important and is linked to almost all areas of our everyday life. Improving creativity brings great benefits. Various strategies and training paradigms have been used to stimulate creative thinking. Read More

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http://link.springer.com/10.1007/s11682-019-00077-9
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http://dx.doi.org/10.1007/s11682-019-00077-9DOI Listing
March 2019
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Identifying generalized anxiety disorder using resting state habenular circuitry.

Brain Imaging Behav 2019 Mar 13. Epub 2019 Mar 13.

Nanjing Brain Hospital Affiliated to Nanjing Medical University, Nanjing, Jiangsu, China.

Studies identify the habenula as a key subcortical component in anxiety, with a role in predicting error coding within the evaluative system. However, no clinical reports of generalized anxiety disorder (GAD) describe resting state functional connectivity of habenular circuits. We hypothesized that resting-state functional connectivities of habenula would show differences in neuroanatomical correlates of the evaluative system (prefrontal cortex, habenula) of patients with GAD. Read More

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http://link.springer.com/10.1007/s11682-019-00055-1
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http://dx.doi.org/10.1007/s11682-019-00055-1DOI Listing
March 2019
8 Reads

Fronto-striatal activity predicts anhedonia and positive empathy subtypes.

Brain Imaging Behav 2019 Mar 13. Epub 2019 Mar 13.

Positive Affective Neuroscience Laboratory, Department of Psychology, Georgia State University, 140 Decatur Street, Atlanta, GA, 30303, USA.

The dorsolateral prefrontal cortex, globus pallidus, and nucleus accumbens are important components of the reward circuit in the brain; and prior research suggests individuals with damage to these regions feel less pleasure (i.e., are anhedonic). Read More

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http://dx.doi.org/10.1007/s11682-019-00081-zDOI Listing

Socioeconomic status in children is associated with spontaneous activity in right superior temporal gyrus.

Brain Imaging Behav 2019 Mar 13. Epub 2019 Mar 13.

Center of Mathematics, Computing and Cognition, Universidade Federal do ABC, Av. dos Estados, 5001. Bairro Bangu., Santo André, SP, CEP 09210-580, Brazil.

Socioeconomic status (SES) during childhood is a well-documented life-course health determinant. Despite recent advances on characterizing brain structural variance associated with SES during development, how it influences brain's functional organization remains elusive. Associations between SES, an fMRI feature of regional spontaneous activity (fractional amplitude of low frequencies fluctuation, fALFF), and behavioral/emotional problems were investigated in a school-based sample of 655 Brazilian children. Read More

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http://dx.doi.org/10.1007/s11682-019-00073-zDOI Listing

Fitness, independent of physical activity is associated with cerebral blood flow in adults at risk for Alzheimer's disease.

Brain Imaging Behav 2019 Mar 9. Epub 2019 Mar 9.

William S. Middleton Memorial Veterans Hospital, Madison, WI, 53705, USA.

Patterns of decreased resting cerebral blood flow (CBF) within the inferior temporal gyri, angular gyri, and posterior cingulate are a feature of aging and Alzheimer's disease (AD) and have shown to be predictive of cognitive decline among older adults. Fitness and physical activity are both associated with many indices of brain health and may positively influence CBF, however, the majority of research to date has examined these measures in isolation, leaving the potential independent associations unknown. The purpose of this study was to determine the unique contributions of fitness and physical activity when predicting CBF in cognitively healthy adults at risk for AD. Read More

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http://dx.doi.org/10.1007/s11682-019-00068-wDOI Listing
March 2019
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A magnetic resonance spectroscopy investigation in symptomatic former NFL players.

Brain Imaging Behav 2019 Mar 8. Epub 2019 Mar 8.

Center for Clinical Spectroscopy, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 4 Blackfan Street HIM-820, Boston, MA, 02115, USA.

The long-term neurologic consequences of exposure to repetitive head impacts (RHI) are not well understood. This study used magnetic resonance spectroscopy (MRS) to examine later-life neurochemistry and its association with RHI and clinical function in former National Football League (NFL) players. The sample included 77 symptomatic former NFL players and 23 asymptomatic individuals without a head trauma history. Read More

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http://dx.doi.org/10.1007/s11682-019-00060-4DOI Listing
March 2019
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Aberrant functional connectivity profiles of brain regions associated with salience and reward processing in female patients with borderline personality disorder.

Brain Imaging Behav 2019 Mar 1. Epub 2019 Mar 1.

Department of Psychiatry, Psychotherapy and Psychosomatics, Faculty of Medicine, RWTH Aachen, Pauwelsstraße 30, 52074, Aachen, Germany.

Recent resting-state functional connectivity studies have shown significant group differences in several networks between patients suffering from borderline personality disorder (BPD) and healthy controls. However, reliable and consistent findings have not been reported yet. Several methodological factors might be responsible for the discrepant findings, including the heterogeneity of patient samples in terms of symptom severity. Read More

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http://dx.doi.org/10.1007/s11682-019-00065-zDOI Listing
March 2019
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Posttraumatic stress symptom persistence across 24 years: association with brain structures.

Brain Imaging Behav 2019 Mar 4. Epub 2019 Mar 4.

Department of Psychiatry MC 0738, University of California San Diego, La Jolla, CA, 92093, USA.

Posttraumatic stress disorder (PTSD) is known to persist, eliciting early medical co-morbidity, and accelerated aging. Although PTSD diagnosis has been found to be associated with smaller volume in multiple brain regions, posttraumatic stress (PTS) symptoms and their associations with brain morphometry are rarely assessed over long periods of time. We predicted that persistent PTS symptoms across ~24 years would be inversely associated with hippocampal, amygdala, anterior cingulate volumes, and hippocampal occupancy (HOC = hippocampal volume/[hippocampal volume + inferior lateral ventricle volume]) in late middle age. Read More

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http://dx.doi.org/10.1007/s11682-019-00059-xDOI Listing
March 2019
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Introduction to special issue on Advances in Brain Imaging.

Authors:
Evan D Morris

Brain Imaging Behav 2019 Mar 2. Epub 2019 Mar 2.

Department of Radiology and Biomedical Imaging, Yale University, New Haven, CT, USA.

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http://dx.doi.org/10.1007/s11682-019-00050-6DOI Listing
March 2019
2 Reads
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Schizophrenia-related abnormalities in the triple network: a meta-analysis of working memory studies.

Brain Imaging Behav 2019 Mar 1. Epub 2019 Mar 1.

Brainnetome Center, Institute of Automation, Chinese Academy of Sciences, Hai Dian District, Zhong Guan Cun East Road 95, Beijing, 100190, China.

Previous meta-analyses found abnormal brain activations in schizophrenia patients compared with normal controls when performing working memory tasks. Although most studies focused on dysfunction of the working memory activation network in schizophrenia patients, deactivation abnormalities of the working memory in the default mode network have also been reported in schizophrenia but have received less attention. Our goal was to discover whether deactivation abnormalities can also be consistently found in schizophrenia during working memory tasks and, further, to consider both activation and deactivation abnormalities. Read More

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http://dx.doi.org/10.1007/s11682-019-00071-1DOI Listing

Medio-lateral functional dissociation of the rostral prefrontal cortex with focal/non-focal cues during a prospective memory task.

Brain Imaging Behav 2019 Mar 1. Epub 2019 Mar 1.

Laboratory of Clinical and Behavioral Neurology, Santa Lucia Foundation, via Ardeatina 306, 00179, Rome, Italy.

The rostral prefrontal cortex (rPFC) is crucial in prospective memory (PM) behavior. Several functional magnetic resonance imaging studies showed that its medial (mrPFC) and lateral (lrPFC) portions dissociate during PM tasks. In light of the Multiprocess theory (McDaniel and Einstein 2000), here we tested whether the two portions of the rPFC are dissociable by modulating strategic vs. Read More

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http://dx.doi.org/10.1007/s11682-019-00063-1DOI Listing

Inflammatory markers and imaging patterns of advanced brain aging in the general population.

Brain Imaging Behav 2019 Mar 1. Epub 2019 Mar 1.

Department of Psychiatry and Psychotherapy, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany.

Inflammaging describes the complexity between low-grade chronic inflammation with the pathogenesis of brain aging and Alzheimer´s disease (AD). We aimed to find associations of inflammatory markers: i) white blood cell count (WBC), ii) high-sensitivity C-reactive protein (hs-CRP), and iii) fibrinogen with brain structures, sensitive neuroimaging markers of advanced brain aging and AD-like atrophy, and cognitive aging scores. We analyzed magnetic resonance imaging (MRI) scans of 2204 participants from the Study of Health in Pomerania-2 (SHIP-2) and SHIP-Trend (55. Read More

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http://dx.doi.org/10.1007/s11682-019-00058-yDOI Listing
March 2019
6 Reads

Media multitasking is associated with higher risk for obesity and increased responsiveness to rewarding food stimuli.

Brain Imaging Behav 2019 Mar 1. Epub 2019 Mar 1.

Department of Psychology, The Ohio State University, Columbus, OH, 43210, USA.

Obesity among children and adolescents has dramatically increased over the past two to three decades and is now a major public health issue. During this same period, youth exposure to media devices also became increasingly prevalent. Here, we present the novel hypothesis that media multitasking (MMT)-the simultaneous use of and switching between unrelated forms of digital media-is associated with an imbalance between regulatory processes and reward-related responses to appetitive food stimuli, resulting in a greater sensitivity to external food cues among high media multitaskers. Read More

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http://link.springer.com/10.1007/s11682-019-00056-0
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http://dx.doi.org/10.1007/s11682-019-00056-0DOI Listing
March 2019
2 Reads

Coordinate based meta-analysis of motor functional imaging in Parkinson's: disease-specific patterns and modulation by dopamine replacement and deep brain stimulation.

Brain Imaging Behav 2019 Feb 27. Epub 2019 Feb 27.

Radiological Sciences, Division of Clinical Neuroscience, University of Nottingham, Nottingham, NG7 2UH, UK.

Objective: To investigate factors affecting the pattern of motor brain activation reported in people with Parkinson's (PwP), aiming to differentiate disease-specific features from treatment effects.

Methods: A co-ordinate-based-meta-analysis (CBMA) of functional motor neuroimaging studies involving patients with Parkinson's (PwP), and healthy controls (HC) identified 126 suitable articles. The experiments were grouped based on subject feature, medication status (onMed/offMed), deep brain stimulation (DBS) status (DBSon/DBSoff) and type of motor initiation. Read More

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http://dx.doi.org/10.1007/s11682-019-00061-3DOI Listing
February 2019
3.385 Impact Factor

Neural processing of odor-associated words: an fMRI study in patients with acquired olfactory loss.

Brain Imaging Behav 2019 Feb 26. Epub 2019 Feb 26.

Smell & Taste Clinic, Department of Otorhinolaryngology, TU Dresden Medical School, Fetscherstrasse 74, 01307, Dresden, Germany.

Perception of olfactory information is mediated by both bottom-up (from molecules to perception) and top-down (e.g. cross-modal associative learning) processes. Read More

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http://dx.doi.org/10.1007/s11682-019-00062-2DOI Listing
February 2019

Changes in grey matter volume and functional connectivity in cluster headache versus migraine.

Brain Imaging Behav 2019 Feb 14. Epub 2019 Feb 14.

Headache Centre, Careggi University Hospital, Department of Health Sciences, University of Florence, Florence, Italy.

Cluster headache (CH) shows a more severe clinical picture than migraine (Mig). We tested whether brain changes can explain such difference. Multimodal MRI was acquired in attack-free patients with CH (n = 12), Mig (n = 13) and in normal controls (NC, n = 13). Read More

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http://dx.doi.org/10.1007/s11682-019-00046-2DOI Listing
February 2019
1 Read
3.385 Impact Factor

Alterations in effective connectivity within the Papez circuit are correlated with insulin resistance in T2DM patients without mild cognitive impairment.

Brain Imaging Behav 2019 Feb 8. Epub 2019 Feb 8.

Department of Radiology, Nanjing First Hospital, Nanjing Medical University, No.68, Changle Road, Nanjing, 210006, China.

Insulin resistance (IR) can significantly affect the hippocampus, a component of a larger memory circuit called the Papez circuit. This study was performed to identify altered effective connectivity within the Papez circuit in type 2 diabetes mellitus (T2DM) patients without mild cognitive impairment (MCI) and to determine the relationships between these alterations and IR. T2DM patients without MCI (n = 105) and age-, sex-, and education-matched healthy controls (n = 106) were included in this study. Read More

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http://dx.doi.org/10.1007/s11682-019-00049-zDOI Listing
February 2019
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Graph-based network analysis of resting-state fMRI: test-retest reliability of binarized and weighted networks.

Brain Imaging Behav 2019 Feb 8. Epub 2019 Feb 8.

College of Information and Computer, Taiyuan University of Technology, Taiyuan, China.

In the past decade, resting-state functional magnetic resonance imaging (rs-fMRI) and graph-based measures have been widely used to quantitatively characterize the architectures of brain functional networks in healthy individuals and in patients with abnormalities related to psychopathic and neurological disorders. To accurately evaluate the topological organization of brain functional networks, the definition of the nodes and edges for the construction of functional networks is critical. Furthermore, both types of brain functional networks (binarized networks and weighted networks) are widely used to analyze topological organization. Read More

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http://dx.doi.org/10.1007/s11682-019-00042-6DOI Listing
February 2019

Difference in neural reactivity to taste stimuli and visual food stimuli in neural circuits of ingestive behavior.

Brain Imaging Behav 2019 Feb 8. Epub 2019 Feb 8.

Center for Evolutionary Cognitive Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan.

Brain responses to sight and taste of foods have been examined to provide insights into neural substrates of ingestive behavior. Since the brain response to food images and taste stimuli are overlapped in neural circuits of eating behavior, each food cue would influence eating behavior in a partly similar manner. However, because few studies have examined the differences in brain responses to each food cue, the variation in neural sensitivity to these food cues or specific brain response to each food cue remain unclear. Read More

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http://dx.doi.org/10.1007/s11682-019-00048-0DOI Listing
February 2019

Neuroanatomical substrate of chronic psychosis in epilepsy: an MRI study.

Brain Imaging Behav 2019 Feb 8. Epub 2019 Feb 8.

Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashiku, Fukuoka, 812-8582, Japan.

There may be different neural bases between subjects with epilepsy only (EP) and interictal chronic epilepsy psychosis (EPS). However, there have been few structural MRI studies of EPS. The current study was conducted to investigate the neural substrate of EPS. Read More

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http://dx.doi.org/10.1007/s11682-019-00044-4DOI Listing
February 2019
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Neuroanatomical and functional alterations of insula in mild traumatic brain injury patients at the acute stage.

Brain Imaging Behav 2019 Feb 8. Epub 2019 Feb 8.

Department of Radiology, Nanjing First Hospital, Nanjing Medical University, No.68, Changle Road, Nanjing, 210006, China.

Cognitive impairment is a major cause of disability and decline in quality of life in mild traumatic brain injury (mTBI) survivors, but the underlying pathophysiology is still poorly understood. The insula has extensive connections to other cortex and is believed to responsible for integrating external and internal processes and controlling cognitive functions. To explore this hypothesis, we investigated early alterations in the gray matter volume (GMV) and brain functional connectivity (FC) of insula in mTBI patients within 7 days after injury and any possible correlations with cognitive function. Read More

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http://dx.doi.org/10.1007/s11682-019-00053-3DOI Listing
February 2019
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Assessing drug cue-induced brain response in heroin dependents treated by methadone maintenance and protracted abstinence measures.

Brain Imaging Behav 2019 Feb 8. Epub 2019 Feb 8.

Department of Radiology, Tangdu Hospital, The Fourth Military Medical University, 569 Xinsi Road, BaQiao District, Xi'an, 710038, Shaanxi, China.

Methadone maintenance treatment (MMT) and protracted abstinence (PA) are common methods of therapy in heroin addiction as both suppress the craving for drug use. However, the difference in patterns of brain function between two groups is unknown. Functional magnetic resonance imaging (fMRI) based drug cue-reactivity task is a good tool to understand the change of brain function during a certain period of treatment. Read More

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http://dx.doi.org/10.1007/s11682-019-00051-5DOI Listing
February 2019
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KIBRA polymorphism modulates gray matter volume to influence cognitive ability in the elderly.

Brain Imaging Behav 2019 Feb 7. Epub 2019 Feb 7.

Center on Aging Psychology, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, 16 Lincui Road, Chaoyang District, Beijing, 100101, China.

Genetic variation in the kidney and brain expressed protein (KIBRA) rs17070145 gene has been linked to episodic memory and cognitive aging; yet, the neural mechanism underlying this association remains to be fully understood. Using the magnetic resonance imaging (MRI) technique, this study investigated the effect of KIBRA polymorphism on gray matter volume in 37 healthy, Chinese adults from the older population. Voxel-based morphometry (VBM) analysis revealed that KIBRA gene selectivity influences the prefrontal cortex and the parahippocampal cortex. Read More

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http://dx.doi.org/10.1007/s11682-019-00047-1DOI Listing
February 2019

Amygdala network in response to facial expression following neurofeedback training of emotion.

Brain Imaging Behav 2019 Feb 7. Epub 2019 Feb 7.

College of Information Science and Technology, Beijing Normal University, XinJieKouWai Street 19, Beijing, 100875, China.

Real-time functional magnetic resonance imaging (rtfMRI) has been applied to self-regulate activity in the amygdala and improve emotional perception and recognition as a novel neurofeedback training method. Previous studies have indicated that successful regulation of the target region led to changes in other brain regions as a network during neurofeedback training. However, it is unclear how neurofeedback training of the amygdala affects the network engaged in facial expression. Read More

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http://dx.doi.org/10.1007/s11682-019-00052-4DOI Listing
February 2019
3.385 Impact Factor

White matter integrity disparities between normal-weight and overweight/obese adolescents: an automated fiber quantification tractography study.

Brain Imaging Behav 2019 Feb 5. Epub 2019 Feb 5.

Department of Psychology, Brigham Young University, 223 TLRB, Provo, UT, 84602, USA.

Obese adults have been shown to have poorer white brain matter integrity relative to normal-weight peers, but few studies have tested whether white matter integrity is compromised in overweight and obese adolescents. Also, it is unclear if age interacts with body mass to affect white matter integrity in adolescents. We used Automated Fiber Quantification, a tractography method, to compare fractional anisotropy between normal-weight and overweight/obese adolescents in the corpus callosum, corticospinal tract, cingulum, inferior fronto-occipital fasciculus, and uncinate fasciculus. Read More

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http://dx.doi.org/10.1007/s11682-019-00036-4DOI Listing
February 2019

COMT-Val158Met polymorphism modulates antipsychotic effects on auditory verbal hallucinations and temporal lobe gray matter volumes in healthy individuals-symptom relief accompanied by worrisome volume reductions.

Brain Imaging Behav 2019 Feb 2. Epub 2019 Feb 2.

Department of Pharmacy, The First Hospital of Hebei Medical University, Shijiazhuang, 050000, China.

Investigation of auditory verbal hallucinations (AVHs) in schizophrenics is complicated by psychiatric symptoms. Investigating healthy individuals with AVHs (H-AVHs) can obviate such confounding factors. The objective of this study was to explore the effects of antipsychotic treatment on AVHs and gray matter volumes (GMVs) in H-AVH subjects and whether such are effects are influenced by COMT-Val158Met genotype. Read More

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http://dx.doi.org/10.1007/s11682-019-00043-5DOI Listing
February 2019
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Unmasking neurobiological commonalities between addictive disorders and impulse control disorders in Parkinson's disease.

Brain Imaging Behav 2019 Feb 1. Epub 2019 Feb 1.

UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia.

Changes in reward circuitry have been studied extensively in substance and behavioural addictions. However, comparatively little is known about the neurobiology underlying impulse control disorders (ICDs) in Parkinson's disease, which show roughly similar risk factors and behavioural presentations to both stimulant and behavioural addictions. ICDs occur in a subset of susceptible patients with Parkinson's disease (PD) following intake of dopamine replacement therapy (DRT). Read More

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http://dx.doi.org/10.1007/s11682-019-00041-7DOI Listing
February 2019

Meta-analysis of the moral brain: patterns of neural engagement assessed using multilevel kernel density analysis.

Brain Imaging Behav 2019 Jan 31. Epub 2019 Jan 31.

Psychology Department, University of New Mexico, Albuquerque, NM, USA.

The neuroimaging literature in moral cognition has rapidly developed in the last decade with more than 200 publications on the topic. Neuroimaging based models generally agree that limbic regions work with medial prefrontal and temporal regions during moral processing to integrate emotional, social, and cognitive elements into decision-making. However, no quantitative work has been done examining neural response across types of moral cognition tasks. Read More

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http://link.springer.com/10.1007/s11682-019-00035-5
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http://dx.doi.org/10.1007/s11682-019-00035-5DOI Listing
January 2019
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Development of spatial orientation skills: an fMRI study.

Brain Imaging Behav 2019 Jan 29. Epub 2019 Jan 29.

Alberta Children's Hospital Research Institute, Room 293, Heritage Medical Research Building, 3330 Hospital Dr. NW, Calgary, AB, T2N 4N1, Canada.

The ability to orient and navigate in spatial surroundings is a cognitive process that undergoes a prolonged maturation with progression of skills, strategies and proficiency over much of childhood. In the present study, we used functional Magnetic Resonance Imaging (fMRI) to investigate the neurological mechanisms underlying the ability to orient in a virtual interior environment in children aged 10 to 12 years of age, a developmental stage in which children start using effective spatial orientation strategies in large-scale surroundings. We found that, in comparison to young adults, children were not as proficient at the spatial orientation task, and revealed increased neural activity in areas of the brain associated with visuospatial processing and navigation (left cuneus and mid occipital area, left inferior parietal region and precuneus, right inferior parietal cortex, right precentral gyrus, cerebellar vermis and bilateral medial cerebellar lobes). Read More

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http://dx.doi.org/10.1007/s11682-018-0028-5DOI Listing
January 2019