A unified statistical approach for determining significant signals in images of cerebral activation

J. Worsley, Keith; Marrett, Sean; Neelin, P.; C. Vandal, Alain; Friston, Karl; C. Evans, Alan

doi:10.1002/(sici)1097-0193(1996)4:1<58::aid-hbm4>3.0.co;2-o

Public

A unified statistical approach for determining significant signals in images of cerebral activation

Published in Human Brain Mapping • Jan 1, 1996

Authors:

Keith J. Worsley

Sean Marrett

P. Neelin

Abstract

We present a unified statistical theory for assessing the significance of apparent signal observed in noisy difference images. The results are usable in a wide range of applications, including fMRI, but are discussed with particular reference to PET images which represent changes in cerebral blood f...

Subject

Voxel

Cerebral blood flow

Gaussian

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