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Lookup NU author(s): Klaas Stephan
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The functions of a cortical area are determined by its extrinsic connections and intrinsic properties. Using the database CoCoMac, we show that each cortical area has a unique pattern of cortico-cortical connections - a 'connectional fingerprint'. We present examples of such fingerprints and use statistical analysis to show that no two areas share identical patterns. We suggest that the connectional fingerprint underlies the observed cell-firing differences between areas during different tasks. We refer to this pattern as a 'functional fingerprint' and present examples of such fingerprints. In addition to electrophysiological analysis, functional fingerprints can be determined by functional brain imaging. We argue that imaging provides a useful way to define such fingerprints because it is possible to compare activations across many cortical areas and across a wide range of tasks.
Author(s): Passingham RE, Stephan KE, Kotter R
Publication type: Review
Publication status: Published
Journal: Nature Reviews Neuroscience
Year: 2002
Volume: 3
Issue: 8
Pages: 606-616
ISSN (print): 1471-003X
ISSN (electronic): 1471-0048
URL: http://dx.doi.org/10.1038/nrn893
DOI: 10.1038/nrn893
