Tag / prefrontal cortex
Distinct contributions by frontal and parietal cortices support working memory
http://biorxiv.org/content/early/2017/01/31/104430 [PDF] Although subregions of frontal and parietal cortex both contribute and coordinate to support working memory (WM) functions, their distinct contributions remain elusive. Here, we demonstrate that perturbations to topographically organized…
SfN 2016: Visual field maps constrain working memory precision
http://www.abstractsonline.com/pp8/index.html#!/4071/presentation/18729 Working memory (WM) suffers from severe capacity limitations that vary greatly both between individuals and across the lifespan. Recent psychophysical work suggests that WM is a finite resource, and that this…
Human dorsolateral prefrontal cortex is not necessary for spatial working memory
[fusion_text] http://www.jneurosci.org/content/36/10/2847.short [PDF] A dominant theory, based on electrophysiological and lesion evidence from nonhuman primate studies, posits that the dorsolateral prefrontal cortex (dlPFC) stores and maintains working memory (WM) representations. Yet, neuroimaging…
SFN 2014: Visual field maps in human association cortices
Recently, topographic maps in human frontal and parietal cortex were discovered using modified versions of the standard traveling wave method for mapping early visual cortex. The standard traveling wave method is effective…
SFN 2014: Rethinking the contribution of the dorsolateral prefrontal cortex to spatial working memory
Working memory is one of the most fundamental building blocks of human cognition. It is an integral part of most mechanisms involved in higher-level cognitive function such as fluid intelligence, reading comprehension,…
