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A Short Guide to Brain ImagingThe Neuroscience of Human Cognition$
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Richard E. Passingham and James B. Rowe

Print publication date: 2015

Print ISBN-13: 9780198709138

Published to Oxford Scholarship Online: November 2015

DOI: 10.1093/acprof:oso/9780198709138.001.0001

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Functional specialization

Functional specialization

Chapter:
(p.71) Chapter 5 Functional specialization
Source:
A Short Guide to Brain Imaging
Author(s):

Richard E. Passingham

James B. Rowe

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780198709138.003.0005

A critical step in finding out how the human brain supports cognition is to identify the operations that are performed by the individual parts. In the case of the cortex the parts are the different cytoarchitectonic areas. Just as connectional fingerprints can be established for each area, so their functions can be discerned by functional fingerprints. These show the degree to which an area is engaged across a wide range of cognitive tasks. The aim of comparing these plots for different areas is to work out the transformation that the different areas perform, from input to output. Given the complexity of the brain it can help to produce computational models of how it works and to relate the operations that are carried out by different areas to different components or parameters of the model.

Keywords:   functional fingerprints, parameter estimates, reverse inference, operations, transformation, multivariate analysis, computational models

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