Using FMRI brain activation to identify cognitive States associated with perception of tools and dwellings.

Using FMRI brain activation to identify cognitive States associated with perception of tools and dwellings. Research Abstract Details 

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Using FMRI brain activation to identify cognitive States associated with perception of tools and dwellings. Abstract Text:

Svetlana V Shinkareva,Robert A Mason,Vicente L Malave,Wei Wang,Tom M Mitchell,Marcel Adam Just,

Previous studies have succeeded in identifying the cognitive state corresponding to the perception of a set of depicted categories, such as tools, by analyzing the accompanying pattern of brain activity, measured with fMRI. The current research focused on identifying the cognitive state associated with a 4s viewing of an individual line drawing (1 of 10 familiar objects, 5 tools and 5 dwellings, such as a hammer or a castle). Here we demonstrate the ability to reliably (1) identify which of the 10 drawings a participant was viewing, based on that participant's characteristic whole-brain neural activation patterns, excluding visual areas; (2) identify the category of the object with even higher accuracy, based on that participant's activation; and (3) identify, for the first time, both individual objects and the category of the object the participant was viewing, based only on other participants' activation patterns. The voxels important for category identification were located similarly across participants, and distributed throughout the cortex, focused in ventral temporal perceptual areas but also including more frontal association areas (and somewhat left-lateralized). These findings indicate the presence of stable, distributed, communal, and identifiable neural states corresponding to object concepts.

Using FMRI brain activation to identify cognitive States associated with perception of tools and dwellings. Publishing Authors By Initials

SV Shinkareva,RA Mason,VL Malave,W Wang,TM Mitchell,MA Just,

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Using FMRI brain activation to identify cognitive States associated with perception of tools and dwellings. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: PLoS ONE

VOLUME: 3

Page Numbers: e1394

Journal Abbreviation: PLoS ONE

ISSN: 1932-6203

DAY: 2

MONTH: 01

YEAR: 2008

Using FMRI brain activation to identify cognitive States associated with perception of tools and dwellings. Information

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LANGUAGE: eng

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AFFILIATION: Department of Psychology, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States of America.

Country: United States

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MEDLINETA: PLoS ONE

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