Tag: Functional magnetic resonance imaging

Biology

Rest-task modulation of fMRI-derived global signal topography is mediated by transient coactivation patterns

Newsemia
by Jianfeng Zhang, Zirui Huang, Shankar Tumati, Georg Northoff Recent resting-state functional MRI (fMRI) studies have revealed that the global signal (GS) exhibits a nonuniform...
Biology

Resting-state brain and spinal cord networks in humans are functionally integrated

Newsemia
by Shahabeddin Vahdat, Ali Khatibi, Ovidiu Lungu, Jürgen Finsterbusch, Christian Büchel, Julien Cohen-Adad, Veronique Marchand-Pauvert, Julien Doyon In the absence of any task, both the...
Biology

Different states of priority recruit different neural representations in visual working memory

Newsemia
by Qing Yu, Chunyue Teng, Bradley R. Postle We used functional magnetic resonance imaging (fMRI) to investigate the neural codes for representing stimulus information held...
Neurology

Cumulative Brain Damage in Athletes Can Occur Without Concussion

Newsemia
Even athletes who don’t experience concussions but experience repeated jolting impacts to the head can have subtle and cumulative brain damage. Medscape Medical News Source...
Biology

Anticipation-induced delta phase reset improves human olfactory perception

Newsemia
by Ghazaleh Arabkheradmand, Guangyu Zhou, Torben Noto, Qiaohan Yang, Stephan U. Schuele, Josef Parvizi, Jay A. Gottfried, Shasha Wu, Joshua M. Rosenow, Mohamad Z. Koubeissi,...
Biology

Behavioral flexibility is associated with changes in structure and function distributed across a frontal cortical network in macaques

Newsemia
by Jérôme Sallet, MaryAnn P. Noonan, Adam Thomas, Jill X. O’Reilly, Jesper Anderson, Georgios K. Papageorgiou, Franz X. Neubert, Bashir Ahmed, Jackson Smith, Andrew H....
Biology

Time of day is associated with paradoxical reductions in global signal fluctuation and functional connectivity

Newsemia
by Csaba Orban, Ru Kong, Jingwei Li, Michael W. L. Chee, B. T. Thomas Yeo The brain exhibits substantial diurnal variation in physiology and function,...
Neurology

EEG Signature Predicts Antidepressant Response

Newsemia
A novel artificial intelligence algorithm can accurately predict which patients will respond positively to the antidepressant sertraline, new research shows. Medscape Medical News Source link...
Biology

Interactions between human orbitofrontal cortex and hippocampus support model-based inference

Newsemia
by Fang Wang, Geoffrey Schoenbaum, Thorsten Kahnt Internal representations of relationships between events in the external world can be utilized to infer outcomes when direct...
Biology

Single-cell selectivity and functional architecture of human lateral occipital complex

Newsemia
by Thomas Decramer, Elsie Premereur, Mats Uytterhoeven, Wim Van Paesschen, Johannes van Loon, Peter Janssen, Tom Theys The human lateral occipital complex (LOC) is more...
Biology

The parietal operculum preferentially encodes heat pain and not salience

Newsemia
by Björn Horing, Christian Sprenger, Christian Büchel Substantial controversy exists as to which part of brain activity is genuinely attributable to pain-related percepts and which...
Biology

Value-driven attentional capture enhances distractor representations in early visual cortex

Newsemia
by Sirawaj Itthipuripat, Vy A. Vo, Thomas C. Sprague, John T. Serences When a behaviorally relevant stimulus has been previously associated with reward, behavioral responses...
Neurology

Non-Invasive Intracranial Pressure Tests 'Unreliable'

Newsemia
Common, non-invasive tests used to detect elevated intracranial pressure in brain injury are often unreliable and may mean doctors are overlooking many patients with this...
Neurology

Brief 'Brain Training' Rapidly Boosts Neural Networks

Newsemia
The first study of its kind shows that brief motor imagery training can prompt structural changes in white matter and increase functional connectivity in the...
Biology

Neurocomputational mechanisms at play when weighing concerns for extrinsic rewards, moral values, and social image

Newsemia
by Chen Qu, Elise Météreau, Luigi Butera, Marie Claire Villeval, Jean-Claude Dreher Humans not only value extrinsic monetary rewards but also their own morality and...

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