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Tero Toivanen

Nouns and verbs are learned in different parts of the brain - 0 views

www.physorg.com/news186315338.html

brain nouns verbs inferior frontal gyrus left posterior medial temporal gyrus learning

shared by Tero Toivanen on 25 Feb 10 - Cached
  • Tero Toivanen on 25 Feb 10
     
    "Learning nouns activates the left fusiform gyrus, while learning verbs switches on other regions (the left inferior frontal gyrus and part of the left posterior medial temporal gyrus)", Antoni Rodríguez-Fornells, co-author of the study and an ICREA researcher at the Cognition and Brain Plasticity Unit of the University of Barcelona, tells SINC
Tero Toivanen

New Light On Nature Of Broca's Area: Rare Procedure Documents How Human Brain Computes ... - 0 views

www.sciencedaily.com/...091015141500.htm

brain Broca's area Wernicke's area language cerebral cortex Sahin

shared by Tero Toivanen on 17 Oct 09 - Cached
  • The study – which provides a picture of language processing in the brain with unprecedented clarity – will be published in the October 16 issue of the journal Science.
  • "Two central mysteries of human brain function are addressed in this study: one, the way in which higher cognitive processes such as language are implemented in the brain and, two, the nature of what is perhaps the best-known region of the cerebral cortex, called Broca's area," said first author Ned T. Sahin, PhD, post-doctoral fellow in the UCSD Department of Radiology and Harvard University Department of Psychology.
  • The study demonstrates that a small piece of the brain can compute three different things at different times – within a quarter of a second – and shows that Broca's area doesn't just do one thing when processing language.
  • ...2 more annotations...
  • The procedure, called Intra-Cranial Electrophysiology (ICE), allowed the researchers to resolve brain activity related to language with spatial accuracy down to the millimeter and temporal accuracy down to the millisecond.
  • "We showed that distinct linguistic processes are computed within small regions of Broca's area, separated in time and partially overlapping in space," said Sahin. Specifically, the researchers found patterns of neuronal activity indicating lexical, grammatical and articulatory computations at roughly 200, 320 and 450 milliseconds after the target word was presented. These patterns were identical across nouns and verbs and consistent across patients.
  • Tero Toivanen on 17 Oct 09
     
    "Two central mysteries of human brain function are addressed in this study: one, the way in which higher cognitive processes such as language are implemented in the brain and, two, the nature of what is perhaps the best-known region of the cerebral cortex, called Broca's area," said first author Ned T. Sahin, PhD, post-doctoral fellow in the UCSD Department of Radiology and Harvard University Department of Psychology.
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