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Cereb Cortex 2021 Mar 2. Epub 2021 Mar 2.

Umeå Center for Functional Brain Imaging, Umeå University, S-90187 Umeå, Sweden.

The hippocampal longitudinal axis has been linked to dissociated functional networks relevant to episodic memory. However, the organization of axis-dependent networks and their relation to episodic memory in aging remains less explored. Moreover, age-related deterioration of the dopamine (DA) system, affecting memory and functional network properties, might constitute a source of reduced specificity of hippocampal networks in aging. Read More

Neuroimage Clin 2021 Feb 23;30:102603. Epub 2021 Feb 23.

German Center for Vertigo and Balance Disorders (DSGZ), University Hospital, LMU Munich, Germany; Institute for Neuroradiology, University Hospital, LMU Munich, Germany; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.

Objective: Structural reorganization following cerebellar infarcts is not yet known. This study aimed to demonstrate structural volumetric changes over time in the cortical vestibular and multisensory areas (i.e. Read More

J Pain 2021 Mar 3. Epub 2021 Mar 3.

Center for Neuroplasticity and Pain (CNAP), Aalborg University, Denmark. Electronic address:

Chronic low back pain (CLBP) is highly disabling, but often without identifiable source. Focus has been on impaired anti-nociceptive mechanisms contributing to pain maintenance, though methods of targeting this impairment remain limited. This randomised-controlled cross-over pilot trial used active versus sham medial prefrontal cortex (mPFC) high-definition transcranial direct current stimulation (HD-tDCS) for three-consecutive days to improve descending pain inhibitory function. Read More

Neuroscience 2021 Mar 3. Epub 2021 Mar 3.

Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Fetscherstrasse 74, 01307 Dresden, Germany. Electronic address:

Human behaviour amazes with extraordinary flexibility and the underlying neural mechanisms have often been studied using task switching. Despite extensive research, the relative importance of "cognitive" and "motor" aspects during switching is unclear. In the current study we examine this question combining EEG analysis techniques and source localization to examine whether the selection of the response, or processes during the execution of the response, contribute most to switching effects. Read More

Hippocampus 2021 Mar 6. Epub 2021 Mar 6.

CIMeC - Center for Mind/Brain Sciences, University of Trento, Rovereto, Italy.

A fundamental skill of an intelligent mind is that of being able to rapidly discover the structural organization underlying the relations across the objects or the events in the world. Humans, thanks to language, master this skill. For example, a child learning that dolphins and cats can also be referred to as mammals, not only will infer the presence of a hierarchical organization for which dolphins and cats are subordinate exemplars of the category mammals, but will also derive that dolphins are, at least at one conceptual level, more similar to cats than to sharks, despite their indisputable higher perceptual similarity to the latter. Read More