3,094 results match your criteria Developmental psychobiology[Journal]


Who can speak that language? Eleven-month-old infants have language-dependent expectations regarding speaker ethnicity.

Dev Psychobiol 2019 Apr 22. Epub 2019 Apr 22.

Department of Psychology, University of British Columbia, Vancouver, BC, Canada.

Research demonstrates that young infants attend to the indexical characteristics of speakers, including age, gender, and ethnicity, and that the relationship between language and ethnicity is intuitive among older children. However, little research has examined whether infants, within the first year, are sensitive to the co-occurrences of ethnicity and language. In this paper, we demonstrate that by 11 months of age, infants hold language-dependent expectations regarding speaker ethnicity. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/dev.21851
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http://dx.doi.org/10.1002/dev.21851DOI Listing
April 2019
1 Read

Sitting skill and the emergence of arms-free sitting affects the frequency of object looking and exploration.

Dev Psychobiol 2019 Apr 22. Epub 2019 Apr 22.

Department of Physical Therapy, Virginia Commonwealth University, Richmond, VA.

The development of sitting changes how much infants are able to explore objects. Infants who can sit with their arms free are likely to explore their environment more effectively than prop sitters, as their hands are free to explore. We sought to quantify how prop sitters differed in the amount of visual and manual exploration of objects from arms-free sitters. Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/dev.21854
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http://dx.doi.org/10.1002/dev.21854DOI Listing
April 2019
1 Read

Parental punitive discipline and children's depressive symptoms: Associations with striatal volume.

Dev Psychobiol 2019 Apr 21. Epub 2019 Apr 21.

Teachers College, Columbia University, New York, New York.

Although parental harshness has been consistently linked with increased depressive symptoms in youth, its associations with children's brain structure are not well understood. The striatum has been strongly implicated in depression in adolescents and adults. In this study, we investigated the associations among parental harsh discipline, striatal volume, and depressive symptoms in children. Read More

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http://dx.doi.org/10.1002/dev.21859DOI Listing

The impact of maternal stress on infant alpha-amylase is buffered by high infant regulation and low infant negative reactivity.

Dev Psychobiol 2019 Apr 19. Epub 2019 Apr 19.

Department of Psychology, University of Florida, Gainesville, Florida.

This study examined the main and interactive effects of maternal perceived stress and infant temperament-surgency, negative affectivity, and orienting/regulation-on infant salivary alpha-amylase (sAA) responses to stress. Saliva samples were collected prior to and following two naturalistic stressors: maternal separation conducted at 9 months and blood draw/immunizations conducted at 12 months. sAA area under the curve (AUC) was computed to determine response of the sympathetic nervous system to each stressor. Read More

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http://dx.doi.org/10.1002/dev.21858DOI Listing

Development of self-feeding behavior in children with typical development and those with arm movement impairments.

Dev Psychobiol 2019 Apr 18. Epub 2019 Apr 18.

Biomechanics & Movement Science Program, Department of Physical Therapy, University of Delaware, Newark, Delaware.

Self-feeding is a critical self-care skill that unites motor abilities (e.g., grasping and transporting utensils/food to the mouth) and cognitive abilities (e. Read More

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http://dx.doi.org/10.1002/dev.21861DOI Listing

Bushmeat trade consequences predict higher anxiety, restraint, and dominance in chimpanzees.

Dev Psychobiol 2019 Apr 7. Epub 2019 Apr 7.

Unitat de Recerca i Etologia, Girona, Spain.

More data are needed for a better understanding of the long-term influence of wider and combined stressful events in chimpanzee personality development. We evaluated the effects of bushmeat trade outcomes on the personality development in 84 African sanctuary chimpanzees. The chimpanzees presented different backgrounds regarding maternal care, social exposure, and abuse. Read More

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http://dx.doi.org/10.1002/dev.21853DOI Listing

Emotion regulation moderates the association between parent and child hair cortisol concentrations.

Dev Psychobiol 2019 Apr 5. Epub 2019 Apr 5.

Department of Psychological and Brain Sciences, Boston University, Boston, Massachusetts.

Successful emotion regulation facilitates children's coping with everyday stress. It develops rapidly in the early preschool period. However, no work has been done to investigate the potential buffering role of emotion regulation from cumulative physiological effects of stress. Read More

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http://dx.doi.org/10.1002/dev.21850DOI Listing
April 2019
3 Reads

Traumatic stress and the autonomic brain-gut connection in development: Polyvagal Theory as an integrative framework for psychosocial and gastrointestinal pathology.

Dev Psychobiol 2019 Apr 5. Epub 2019 Apr 5.

Traumatic Stress Research Consortium at the Kinsey Institute, Indiana University, Bloomington, Indiana.

A range of psychiatric disorders such as anxiety, depression, and post-traumatic stress disorder frequently co-occur with functional gastrointestinal (GI) disorders. Risk of these pathologies is particularly high in those with a history of trauma, abuse, and chronic stress. These scientific findings and rising awareness within the healthcare profession give rise to a need for an integrative framework to understand the developmental mechanisms that give rise to these observations. Read More

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http://dx.doi.org/10.1002/dev.21852DOI Listing
April 2019
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New insights from children with early focal brain injury: Lessons to be learned from examining STEM-related skills.

Dev Psychobiol 2019 04;61(3):477-490

Koç University, Istanbul, Turkey.

The study of cognitive development in children with early brain injury reveals crucial information about the developing brain and its plasticity. However, information on long-term outcomes of these children, especially in domains relevant to science, technology, engineering, and math (STEM) remains limited. In the current review, our goal is to address the existing research on cognitive development of children with pre- or perinatal focal brain lesion (PL) as it relates to children's STEM-related skills and suggest future work that could shed further light on the developmental trajectories of children with PL. Read More

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http://dx.doi.org/10.1002/dev.21847DOI Listing
April 2019
1 Read

50th Anniversary of Developmental Psychobiology.

Dev Psychobiol 2019 04;61(3):315-316

Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA.

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http://dx.doi.org/10.1002/dev.21857DOI Listing
April 2019
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Developmental trajectories of general and breathing movements in fetal twins.

Dev Psychobiol 2019 Apr 3. Epub 2019 Apr 3.

EPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal.

This study examined the developmental trajectories of general and breathing movements in fetal twins. Fetal movement patterns were assessed from real-time ultrasound recordings performed at 12-15, 20-23, and 28-32 weeks of gestation in 42 twin pairs. Results indicated that both general movements and breathing movements followed a curvilinear, inverted U-shaped curve. Read More

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http://dx.doi.org/10.1002/dev.21846DOI Listing
April 2019
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Microbiota of newborn meconium is associated with maternal anxiety experienced during pregnancy.

Dev Psychobiol 2019 Mar 25. Epub 2019 Mar 25.

Department of Psychology, Queens College, City University of New York, New York, New York.

Little is known about whether a mother's psychological state during pregnancy influences her offspring's microbiome. This study examined whether maternal anxiety, depression, and stress during pregnancy is associated with the diversity of meconium microbiome, the first internal discharge, in 75 newborns from an existing birth cohort study. The meconium microbiome was profiled using multibarcode16S rRNA sequencing at V3-V4 hypervariable region followed by taxonomic assignment to the green gene 16S references at 97% similarity and diversity analysis at the genus level. Read More

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http://dx.doi.org/10.1002/dev.21837DOI Listing
March 2019
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Mother-chick interactions are affected by chicks' sex and brood composition in Japanese quail.

Dev Psychobiol 2019 Mar 20. Epub 2019 Mar 20.

Ethos (Ethologie animale et humaine), Univ Rennes, Normandie Univ, CNRS, Rennes, France.

Sex is a trait which leads mothers to invest asymmetrically in their young, especially in species with a strong dimorphism. Authors usually consider that members of the largest sex require the most investment by mothers. In other cases, mothers care preferentially for members of the sex that increase their fitness, e. Read More

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http://dx.doi.org/10.1002/dev.21848DOI Listing

Automated sensing of daily activity: A new lens into development.

Authors:
Kaya de Barbaro

Dev Psychobiol 2019 04 18;61(3):444-464. Epub 2019 Mar 18.

Department of Psychology, The University of Texas at Austin, Austin, Texas.

Rapidly maturing technologies for sensing and activity recognition can provide unprecedented access to the complex structure daily activity and interaction, promising new insight into the mechanisms by which experience shapes developmental outcomes. Motion data, autonomic activity, and "snippets" of audio and video recordings can be conveniently logged by wearable sensors (Lazer et al., 2009). Read More

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https://onlinelibrary.wiley.com/doi/abs/10.1002/dev.21831
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http://dx.doi.org/10.1002/dev.21831DOI Listing
April 2019
5 Reads

Cognitive-affective strategies and cortisol stress reactivity in children and adolescents: Normative development and effects of early life stress.

Dev Psychobiol 2019 Mar 18. Epub 2019 Mar 18.

Institute of Child Development, University of Minnesota, Minneapolis, Minnesota.

This study examined cognitive-affective strategies as predictors of hypothalamic-pituitary-adrenal (HPA) axis responses to a social-evaluative stressor in adolescence as compared to late childhood as a function of early life experiences. Participants included 159 children (9-10 years) and adolescents (15-16 years) divided into two groups based on early care experiences: non-adopted youth raised in their birth families (n = 81) and post-institutionalized youth internationally adopted from orphanage care (n = 78). Youth completed a version of the Trier Social Stress Test modified for use with children and reported on their trait emotion regulation and coping strategies. Read More

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http://dx.doi.org/10.1002/dev.21849DOI Listing

Autonomic regulation of preterm infants is enhanced by Family Nurture Intervention.

Dev Psychobiol 2019 Mar 13. Epub 2019 Mar 13.

Department of Pediatrics, Columbia University Medical Center, New York, New York.

Preterm infants have maturational delays in several neurobehavioral systems. This study assesses the impact of the Family Nurture Intervention (FNI) in the neonatal intensive care unit (NICU) on the maturation of autonomic regulation of preterm infants. Preterm infants born at 26-34 weeks postmenstrual age (PMA) were assigned to groups receiving either standard care (SC) or SC plus FNI, using a randomized controlled trial design. Read More

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http://dx.doi.org/10.1002/dev.21841DOI Listing

Prenatal exposure to tobacco and marijuana and child autonomic regulation and reactivity: An analysis of indirect pathways via maternal psychopathology and parenting.

Dev Psychobiol 2019 Mar 13. Epub 2019 Mar 13.

The Lambert Center for the Study of Medicinal Cannabis and Hemp, Thomas Jefferson, Philadelphia, PA.

We examined a conceptual model for the associations of prenatal exposure to tobacco (PTE) and marijuana with child reactivity/regulation at 16 months of age. We hypothesized that PTE would be associated with autonomic reactivity and regulation that these associations would be indirect via maternal anger/hostility, depression/stress, or harsh parenting assessed at 2 months and that these effects would be most pronounced among children exposed to both tobacco and marijuana (PTME). Participants were 247 dyads (81 PTE, 97 PTME, and 69 nonexposed) who were followed up at 2 (N = 247) and 16 months (N = 238) of child age. Read More

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http://dx.doi.org/10.1002/dev.21844DOI Listing
March 2019
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Behavioral effects of postnatal ketamine exposure in rhesus macaque infants are dependent on MAOA-LPR genotype.

Dev Psychobiol 2019 Mar 13. Epub 2019 Mar 13.

California National Primate Research Center, University of California, Davis, California.

Ketamine is an N-methyl-D-aspartate (NMDA) receptor antagonist widely used in pediatric anesthetic and therapeutic practices and veterinary medicine. Previous evidence suggests that exposure to ketamine during sensitive periods of development results in neural apoptosis and atypical behavior. Since monoamine neurotransmitters play important roles in prenatal and early postnatal neural development, and since previous work suggests ketamine can inhibit monoamine transporters, we hypothesized that there would be behavioral consequences of prenatal and early postnatal exposure to ketamine moderated by genotype of the promoter in the monoamine oxidase-A (MAOA) gene. Read More

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http://dx.doi.org/10.1002/dev.21843DOI Listing

Mother-child adrenocortical synchrony: Roles of maternal overcontrol and child developmental phase.

Dev Psychobiol 2019 Mar 13. Epub 2019 Mar 13.

Psychological Science, University of California, Irvine, California.

An increasing amount of empirical attention is focused on adrenocortical synchrony as an index of biobehavioral co-regulation between parent and child in the context of early child development. Working with an ethnically diverse community sample of children (N = 99, 50.5% male, ages 9-12), we collected saliva samples from mother-child dyads prior to and after a laboratory-based performance challenge task, and tested whether maternal overcontrol and child age moderated dyadic synchrony in cortisol. Read More

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http://dx.doi.org/10.1002/dev.21845DOI Listing

Peripubertal stress of male, but not female rats increases morphine-induced conditioned place preference and locomotion in adulthood.

Dev Psychobiol 2019 Mar 12. Epub 2019 Mar 12.

CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China.

Animal studies demonstrate that peripubertal social stress markedly increases the risk for subsequent substance use in adulthood. However, whether non-social stress has a similar long-term impact is not clear, and whether male and female animals show different sensitivity to peripubertal non-social stress has not been examined. In the present study, we addressed these issues by introducing two non-social stressors (elevated platform and predator odor 2,5-Dihydro-2,4,5-trimethylthiazoline) to male and female Wistar rats during adolescence (postnatal days 28-30, 34, 36, 40, and 42), then tested reward-related behaviors during adulthood, including morphine-induced conditioned place preference (CPP, 1 mg/kg morphine or 5 mg/kg morphine) and hyperlocomotor activity (5 mg/kg morphine). Read More

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http://dx.doi.org/10.1002/dev.21839DOI Listing
March 2019
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Effects of prenatal alcohol exposure on social competence: Asymmetry in play partner preference among heterogeneous triads of male and female rats.

Dev Psychobiol 2019 Mar 6. Epub 2019 Mar 6.

Department of Cellular & Physiological Sciences, University of British Columbia, Vancouver, BC, Canada.

Social behavior deficits associated with prenatal alcohol exposure (PAE) are frequently described in terms of impaired social competence, which can be defined as the effectiveness in social interaction and the ability to employ social skills successfully within different interpersonal contexts. Play behavior-which peaks during adolescence-is critical for developing social competence, as well as for motor, cognitive, and emotional development. Studies of play behavior typically utilize protocols where animals interact in dyads. Read More

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http://dx.doi.org/10.1002/dev.21842DOI Listing
March 2019
1 Read

Hair cortisol as a measure of the stress response to social adversity in young children.

Dev Psychobiol 2019 Mar 4. Epub 2019 Mar 4.

Murdoch Children's Research Institute, Parkville, VIC, Australia.

Hair cortisol has the potential to provide insight into young children's long-term stress response to social adversity. This study investigated associations between children's exposure to adversity from pregnancy to 2 years of age and their hair cortisol at 2 years, using a longitudinal cohort of children enriched for adversity risk, whose mothers were recruited during pregnancy through the "right@home" trial. Exposures were 18 maternal socioeconomic and psychosocial indicators of adversity, examined as concurrent, cumulative, and longitudinal exposure from pregnancy to 2 years. Read More

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http://dx.doi.org/10.1002/dev.21840DOI Listing
March 2019
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Fathering across contexts: The moderating role of respiratory sinus arrhythmia in predicting toddler emotion regulation.

Dev Psychobiol 2019 Mar 1. Epub 2019 Mar 1.

Wayne State University, Detroit, Michigan.

Caregivers play an integral role in promoting children's emotion regulation, while children's individual physiology affects how they respond to the caregiving environment. Relatively little is known about how fathering influences toddler emotion regulation, particularly within African American and low-income communities, where risk related to the development of emotion regulation is higher. This study investigated relations among fathering, toddler parasympathetic regulation, and toddler emotion regulation in a sample of 92 families. Read More

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http://dx.doi.org/10.1002/dev.21836DOI Listing

Socioeconomic risk moderates the association between caregiver cortisol levels and infant cortisol reactivity to emotion induction at 24 months.

Dev Psychobiol 2019 Feb 28. Epub 2019 Feb 28.

Department of Applied Psychology, New York University, New York, New York.

Relations between maternal baseline cortisol and infant cortisol reactivity to an emotion induction procedure at child ages 7, 15, and 24 months were analyzed using data from the Family Life Project (N = 1,292). The emotion induction consisted of a series of standardized and validated tasks, including an arm restraint, toy removal, and mask presentation, intended to elicit responses of fear and frustration. Results revealed that at 7 and 15 months, maternal baseline cortisol was negatively related to child cortisol reactivity, such that children of mothers with lower cortisol exhibited steeper cortisol increases in response to the emotion induction. Read More

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http://dx.doi.org/10.1002/dev.21832DOI Listing
February 2019

Female pups receive more maltreatment from stressed dams.

Dev Psychobiol 2019 Feb 27. Epub 2019 Feb 27.

Department of Psychological and Brain Sciences, University of Delaware, Newark, Delaware.

The effects of exposure to developmental stress often diverge for males and females. Using the scarcity-adversity model of low nesting resources outside the home cage, our lab has discovered sex differences in both behavioral and epigenetic consequences of repeated exposure to caregiver maltreatment. For the measures we have performed to date, we have found more consequences for females. Read More

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http://dx.doi.org/10.1002/dev.21834DOI Listing
February 2019

Human exceptionalism, our ordinary cortex and our research futures.

Authors:
Barbara L Finlay

Dev Psychobiol 2019 04 27;61(3):317-322. Epub 2019 Feb 27.

Department of Psychology, Cornell University, Ithaca, New York.

The widely held belief that the human cortex is exceptionally large for our brain size is wrong, resulting from basic errors in how best to compare evolving brains. This misapprehension arises from the comparison of only a few laboratory species, failure to appreciate differences in brain scaling in rodents versus primates, but most important, the false assumption that linear extrapolation can be used to predict changes from small to large brains. Belief in the exceptionalism of human cortex has propagated itself into genomic analysis of the cortex, where cortex has been studied as if it were an example of innovation rather than predictable scaling. Read More

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http://dx.doi.org/10.1002/dev.21838DOI Listing

Hair cortisol in the perinatal period mediates associations between maternal adversity and disrupted maternal interaction in early infancy.

Dev Psychobiol 2019 Feb 12. Epub 2019 Feb 12.

Department of Psychology, University of Copenhagen, Copenhagen, Denmark.

Existing literature points to the possibility that cortisol could be one link between maternal adversity and poorer parenting quality, but most studies have examined salivary cortisol concentrations rather than hair cortisol concentrations. The current study examined hair cortisol concentration (HCC) during the third trimester of pregnancy as a mediator between maternal adversity indicators (childhood abuse, severe mental illness, symptomatic functioning) and maternal caregiving behavior at 4 months postpartum. Forty-four women participated in the study: 30 with severe mental disorders, and 14 nonclinical controls. Read More

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http://dx.doi.org/10.1002/dev.21833DOI Listing
February 2019

Emotion regulation and cortisol reactivity during a social evaluative stressor: A study of post-institutionalized youth.

Dev Psychobiol 2019 Feb 12. Epub 2019 Feb 12.

Institute of Child Development, University of Minnesota, Minneapolis, Minnesota.

In the current study, we compared emotion regulation abilities between post-institutionalized (PI; N = 124) and never-institutionalized non-adopted (NA; N = 172) children and adolescents (7-15 years). We assessed cortisol reactivity and coded emotion regulation during the speech portion of Trier Social Stress Test (TSST-M). Parents reported on their children's social, academic, and behavioral adjustment. Read More

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http://dx.doi.org/10.1002/dev.21828DOI Listing
February 2019

Innovations in biological assessments of chronic stress through hair and nail cortisol: Conceptual, developmental, and methodological issues.

Dev Psychobiol 2019 04 10;61(3):465-476. Epub 2019 Feb 10.

Department of Psychology, Claremont McKenna College, Claremont, CA.

Much of the existing research on biological mechanisms underlying the stress experience has focused largely on moment-to-moment stress, rather than on chronic stress, an arguably more powerful predictor of long-term outcomes. Recent methodological innovations have paved the way for new lines of research on chronic stress, with promising implications for developmental researchers and for those who study health and adversity. In particular, there are increasing studies that have focused on chronic stress assessments by relying on cortisol derived from hair and nails as a biomarker for chronic stress. Read More

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http://doi.wiley.com/10.1002/dev.21830
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http://dx.doi.org/10.1002/dev.21830DOI Listing
April 2019
5 Reads

RSA reactivity in response to viewing bullying film and adolescent social adjustment.

Dev Psychobiol 2019 Feb 10. Epub 2019 Feb 10.

Department of Human Development and Family Science, Oklahoma State University, Oklahoma.

This study assessed adolescent respiratory sinus arrhythmia (RSA) reactivity while watching a bullying film clip from Boyz'n the Hood. We emphasized the importance of considering measurement context of RSA and examined whether RSA reactivity moderated the links between environmental factors (i.e. Read More

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http://dx.doi.org/10.1002/dev.21835DOI Listing
February 2019

Parents' experiences of childhood abuse and neglect are differentially associated with behavioral and autonomic responses to their offspring.

Dev Psychobiol 2019 Feb 6. Epub 2019 Feb 6.

Centre for Forensic Family and Youth Care Studies, Leiden University, Leiden, The Netherlands.

Although childhood maltreatment has been shown to compromise adaptive parental behavior, little is known what happens in terms of physiological regulation when parents with a history of childhood maltreatment interact with their offspring. Using a sample of 229 parents (131 women), the present study examined whether childhood maltreatment experiences are associated with parents' behavioral and autonomic responses while resolving conflict with their offspring. Self-reported experienced child maltreatment was measured using a questionnaire assessing abuse and neglect. Read More

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http://dx.doi.org/10.1002/dev.21822DOI Listing
February 2019

Day-to-day friends' victimization, aggression perpetration, and morning cortisol activity in late adolescents.

Dev Psychobiol 2019 Jan 30. Epub 2019 Jan 30.

Department of Psychology, University of Southern California, Los Angeles, California.

This study investigates bidirectional associations between adolescents' daily experiences of victimization and aggression perpetration within friendships. We investigated (a) across-day associations between victimization and aggression perpetration; (b) morning cortisol activity as a moderator of cross-day victimization and aggression links; and (c) potential sex differences in these patterns. For 4 consecutive days, 99 adolescents (M = 18. Read More

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http://dx.doi.org/10.1002/dev.21829DOI Listing
January 2019
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Effects of early life NICU stress on the developing gut microbiome.

Dev Psychobiol 2019 Jan 30. Epub 2019 Jan 30.

College of Nursing, University of South Florida, Tampa, Florida.

Succession of gut microbial community structure for newborns is highly influenced by early life factors. Many preterm infants cared for in the NICU are exposed to parent-infant separation, stress, and pain from medical care procedures. The purpose of the study was to investigate the impact of early life stress on the trajectory of gut microbial structure. Read More

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http://dx.doi.org/10.1002/dev.21826DOI Listing
January 2019
8 Reads
3.307 Impact Factor

Is adolescence the missing developmental link in Microbiome-Gut-Brain axis communication?

Dev Psychobiol 2019 Jan 28. Epub 2019 Jan 28.

University of Oregon, Eugene, Oregon.

Gut microbial research has recently opened new frontiers in neuroscience and potentiated novel therapies for mental health problems (Mayer, et al., 2014). Much of our understanding of the gut microbiome's role in brain function and behavior, however, has been largely derived from research on nonhuman animals. Read More

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http://doi.wiley.com/10.1002/dev.21821
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http://dx.doi.org/10.1002/dev.21821DOI Listing
January 2019
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Systemic treatment with the enteric bacterial metabolic product propionic acid results in reduction of social behavior in juvenile rats: Contribution to a rodent model of autism spectrum disorder.

Dev Psychobiol 2019 Jan 28. Epub 2019 Jan 28.

Graduate Program in Neuroscience, University of Western Ontario, London, Ontario, Canada.

The role of the gut microbiome and its enteric metabolites, such as short-chain fatty acids (SCFAs), in the etiology of autism spectrum disorders (ASDs) has recently received increased attention. Of particular interest has been the SCFA, propionic acid (PPA). Several different rodent models have been developed using PPA treatment to examine behaviors of relevance to ASD. Read More

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http://dx.doi.org/10.1002/dev.21825DOI Listing
January 2019

Gonadal steroid hormone secretion during the juvenile period depends on host-specific microbiota and contributes to the development of odor preference.

Dev Psychobiol 2019 Jan 24. Epub 2019 Jan 24.

Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Japan.

The host microbial community is thought to have an important role in the host endocrine system and behavioral phenotype. We investigated chronological changes of levels of gonadal hormones and corticosterone in the feces of 4- to 8-week-old female germ-free (GF) mice, and conducted odor preference test at 8 weeks of age. We further evaluated the developmental impact of the microbial community by analyzing 4-week-old GF mice orally administered the fecal microbiota of specific pathogen-free (SPF) mice or guinea pigs (GF-SPF mice or GF-Guinea pig mice). Read More

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http://dx.doi.org/10.1002/dev.21827DOI Listing
January 2019
1 Read

Perinatal antibiotics alter preterm infant EEG and neurobehavior in the Family Nurture Intervention trial.

Dev Psychobiol 2019 Jan 22. Epub 2019 Jan 22.

Department of Pediatrics, Columbia University Medical Center, New York, New York.

Early exposure to antibiotics has been shown to increase risk for poor neurobehavioral development, particularly with regard to attention deficit disorders. Clinically, electroencephalography (EEG) is increasingly used as a biomarker of these deficits. Less is known about the effects of antibiotics on neurobehavioral and neurophysiological outcomes in preterm infants, a population at particularly high risk for attention deficits and perinatal antibiotic exposure. Read More

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http://dx.doi.org/10.1002/dev.21820DOI Listing
January 2019
9 Reads

Contextual risk factors impacting the colonization and development of the intestinal microbiota: Implications for children in low- and middle-income countries.

Dev Psychobiol 2019 Jan 21. Epub 2019 Jan 21.

Offord Centre for Child Studies, McMaster University, Hamilton, Ontario, Canada.

Early adversities, such as poverty, maternal stress, and malnutrition, can affect the structure and functioning of the developing brain with implications for biological systems such as the intestinal microbiota. To date, most studies examining the impact of these risk factors on the development and functioning of the intestinal microbiota have primarily been conducted in high-income countries. However, arguably, children in low- and middle-income countries may be at increased risk given cumulative biological and psychosocial adversities during their development. Read More

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http://dx.doi.org/10.1002/dev.21823DOI Listing
January 2019
3 Reads

The microbiota-gut-brain axis: A promising avenue to foster healthy developmental outcomes.

Dev Psychobiol 2019 Jan 14. Epub 2019 Jan 14.

Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands.

Fostering healthy developmental growth in the first years of life is associated with numerous favorable cognitive, social, and economic outcomes. Funding and promoting research aimed at identifying potential targets for early intervention should be a top priority for lawmakers and funders. One promising avenue of research and potential early intervention is the microbiota-gut-brain axis. Read More

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http://dx.doi.org/10.1002/dev.21824DOI Listing
January 2019
4 Reads

What can the gut microbiome teach us about the connections between child physical and mental health? A systematic review.

Dev Psychobiol 2019 Jan 8. Epub 2019 Jan 8.

Discipline of Paediatrics, School of Women's and Children's Health, UNSW Medicine, The University of New South Wales (UNSW), Sydney, New South Wales, Australia.

A deeper understanding of the gut-brain axis is of significance in pediatrics, given the influential role of early childhood experiences and exposures in shaping the microbiome, and health, across the life course. This systematic review synthesized evidence on the connection between the gut microbiome and mental health in children with physical illness. Six electronic databases were systematically searched and data extracted according to the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines. Read More

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http://doi.wiley.com/10.1002/dev.21819
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http://dx.doi.org/10.1002/dev.21819DOI Listing
January 2019
14 Reads

The psychobiology of emotional development: The case for examining sociocultural processes.

Dev Psychobiol 2019 04 27;61(3):416-429. Epub 2018 Dec 27.

Department of Psychology, University of California, Riverside, Riverside, California.

Psychobiological techniques to assess emotional responding have revolutionized the field of emotional development in recent decades by equipping researchers with the tools to quantify children's emotional reactivity and regulation more directly than behavioral approaches allow. Knowledge gained from the incorporation of methods spanning levels of analysis has been substantial, yet many open questions remain. In this prospective review, we (a) describe the major conceptual and empirical advances that have resulted from this methodological innovation, and (b) lay out a case for what we view as the most pressing challenge for the next decades of research into the psychobiology of emotional development: focusing empirical efforts toward understanding the implications of the broader sociocultural contexts in which children develop that shape the psychobiology of emotion. Read More

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http://dx.doi.org/10.1002/dev.21795DOI Listing
April 2019
2 Reads

Functional near-infrared spectroscopy as a tool for assessing speech and spoken language processing in pediatric and adult cochlear implant users.

Authors:
Heather Bortfeld

Dev Psychobiol 2019 04 26;61(3):430-443. Epub 2018 Dec 26.

Psychological Sciences, University of California, Merced, Merced, California.

Much of what is known about the course of auditory learning in following cochlear implantation is based on behavioral indicators that users are able to perceive sound. Both prelingually deafened children and postlingually deafened adults who receive cochlear implants display highly variable speech and language processing outcomes, although the basis for this is poorly understood. To date, measuring neural activity within the auditory cortex of implant recipients of all ages has been challenging, primarily because the use of traditional neuroimaging techniques is limited by the implant itself. Read More

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http://dx.doi.org/10.1002/dev.21818DOI Listing
April 2019
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Ontogenesis of learning and memory: Biopsychosocial and dynamical systems perspectives.

Dev Psychobiol 2019 04 21;61(3):402-415. Epub 2018 Dec 21.

Department of Psychological Sciences, University of Connecticut, Storrs, Connecticut.

In this article, we review recent empirical and theoretical work on infant memory development, highlighting future directions for the field. We consider the state of the field since Carolyn Rovee-Collier's call for developmental scientists to "shift the focus from what to why," emphasizing the function of infant behavior and the value of integrating fractionized, highly specialized subfields. We discuss functional approaches of early learning and memory, including ecological models of memory development and relevant empirical work in human and non-human organisms. Read More

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http://doi.wiley.com/10.1002/dev.21817
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http://dx.doi.org/10.1002/dev.21817DOI Listing
April 2019
11 Reads

Recollections of positive early caregiving relate to sympathetic nervous system activation and chronic inflammation in subsequent generations.

Dev Psychobiol 2019 03 21;61(2):261-274. Epub 2018 Dec 21.

Counseling Psychology, University of Oregon, Eugene, Oregon.

To understand links between early experience and biomarkers of peripheral physiology in adulthood, this study examined associations between quality of early caregiving and markers of sympathetic activation and chronic inflammation in a sample of 52 low-income mothers and their preschool-aged children. Mothers reported on levels of positive caregiving experienced during childhood using the Structural Analysis of Social Behavior-Intrex. Mother and child sympathetic activation was indexed via pre-ejection period (PEP) at rest, during a dyadic social engagement task, and for children, while interacting with an unfamiliar adult. Read More

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http://dx.doi.org/10.1002/dev.21815DOI Listing
March 2019
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Prenatal stress enhances postnatal plasticity: The role of microbiota.

Dev Psychobiol 2018 Dec 21. Epub 2018 Dec 21.

Department of Human Development and Family Studies, University of California, Davis, California.

Separate fields of inquiry indicate (a) that prenatal stress is associated with heightened behavioral and physiological reactivity and (b) that these postnatal phenotypes are themselves associated with increased susceptibility to both positive and negative environmental influences. Collectively, this work supports Pluess and Belsky's (Psychopathology, 2011, 23, 29) claim that prenatal stress fosters, promotes or "programs" postnatal developmental plasticity. Herein, we review animal and human evidence consistent with this hypothesis before advancing the novel idea that infant intestinal microbiota may be one candidate mechanism for instantiating developmental plasticity as a result of prenatal stress. Read More

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http://dx.doi.org/10.1002/dev.21816DOI Listing
December 2018
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Parasympathetic regulation in cognitive and emotional challenge contexts differentially predicts specific aspects of children's emotional functioning.

Dev Psychobiol 2019 03 21;61(2):275-289. Epub 2018 Dec 21.

Department of Psychology, University of California, Riverside, California.

Parasympathetic regulation has been consistently linked with better emotional functioning in childhood, but it is still not clear if parasympathetic regulation serves as a transcontextual marker of adaptive emotional functioning or if this link is context-specific. This study tested this by examining the specificity of the relation between parasympathetic regulation in distinct types of challenge tasks and different aspects of children's emotional functioning. Emotional functioning included parent-reported emotional reactivity, parent-reported general emotion regulation ability, and child-reported emotion regulation strategy knowledge. Read More

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http://dx.doi.org/10.1002/dev.21812DOI Listing
March 2019
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Normative developmental trajectories of actigraphic sleep variables during the preschool period: A three-wave longitudinal study.

Dev Psychobiol 2019 01 22;61(1):141-153. Epub 2018 Nov 22.

University of Montreal, Montreal, Quebec, Canada.

Important changes in sleep are believed to occur in the preschool years, but studies that have documented these changes were generally cross-sectional or based on subjective sleep measures. The current longitudinal study modeled the developmental trajectories followed by five sleep variables objectively assessed during the preschool period. Children (N = 128) wore an actigraph over 3 days at 2, 3, and 4 years of age and change in sleep variables was assessed with growth curves. Read More

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http://dx.doi.org/10.1002/dev.21805DOI Listing
January 2019
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Anxiety and exploratory behavior in the African striped mouse, Rhabdomys, taxa are partially modified by the physical rearing environment.

Dev Psychobiol 2019 03 14;61(2):179-190. Epub 2018 Dec 14.

School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa.

The environment may modulate genetic influences on behavioral expression. We investigated whether the physical rearing environment modulates anxiety and exploratory behavior in four populations, representing three species, of the striped mouse Rhabdomys. One population originated from an arid, open habitat and the others from grassy, covered habitats, and two species occurred in sympatry. Read More

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http://dx.doi.org/10.1002/dev.21814DOI Listing
March 2019
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Valence matters: An electrophysiological study on how emotions influence cognitive performance in children.

Dev Psychobiol 2019 03 13;61(2):290-303. Epub 2018 Dec 13.

Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Alberta, Canada.

Emotional stimuli have been found to influence cognitive performance in children, but it is not clear whether this effect varies with the cognitive demands of the task. In this study, we examined how emotional expressions influenced cognitive performance and event-related potentials (ERPs) in early and middle childhood under varying cognitive control demands. Two groups of children (4. Read More

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http://dx.doi.org/10.1002/dev.21813DOI Listing
March 2019
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A systematic review of gut-immune-brain mechanisms in Autism Spectrum Disorder.

Dev Psychobiol 2018 Dec 6. Epub 2018 Dec 6.

Psychology Program, School of Social Sciences, Nanyang Technological University, Singapore, Singapore.

Despite decades of research, the etiological origins of Autism Spectrum Disorder (ASD) remain elusive. Recently, the mechanisms of ASD have encompassed emerging theories involving the gastrointestinal, immune, and nervous systems. While each of these perspectives presents its own set of supporting evidence, the field requires an integration of these modular concepts and an overarching view of how these subsystems intersect. Read More

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http://doi.wiley.com/10.1002/dev.21803
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http://dx.doi.org/10.1002/dev.21803DOI Listing
December 2018
16 Reads