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Neuroimage. 1999 Feb;9(2):195-207.

Cortical surface-based analysis. II: Inflation, flattening, and a surface-based coordinate system.

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  • 1Nuclear Magnetic Resonance Center, Massachusetts General Hosp/Harvard Medical School, Building 149, 13th Street, Charlestown, Massachusetts, 02129, USA.

Abstract

The surface of the human cerebral cortex is a highly folded sheet with the majority of its surface area buried within folds. As such, it is a difficult domain for computational as well as visualization purposes. We have therefore designed a set of procedures for modifying the representation of the cortical surface to (i) inflate it so that activity buried inside sulci may be visualized, (ii) cut and flatten an entire hemisphere, and (iii) transform a hemisphere into a simple parameterizable surface such as a sphere for the purpose of establishing a surface-based coordinate system.

Copyright 1999 Academic Press.

PMID:
9931269
[PubMed - indexed for MEDLINE]
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