Generic brain activation mapping in functional magnetic resonance imaging: a nonparametric approach. Export

@article{Brammer97, abstract = {We report a novel method to identify brain regions generically activated by periodic experimental design in functional magnetic resonance imaging data. This involves: 1) registering each of N individual functional magnetic resonance imaging datasets in a standard space; 2) computing the median standardised power of response to the experimental design; 3) testing median standardised power at each voxel against its nonparametrically ascertained distribution under the null hypothesis of no experimental effect; and 4) constructing a generic brain activation map. The method is validated by analysis of 6 null images, acquired under conditions when the null hypothesis was known to be true; 8 images acquired during periodic auditory-verbal stimulation; and 6 images acquired during periodic performance of a covert verbal fluency task.}, author = {Brammer, M. J. and Bullmore, E. T. and Simmons, A. and Williams, S. C. and Grasby, P. M. and Howard, R. J. and Woodruff, P. W. and Rabe-Hesketh, S.}, citeulike-article-id = {4258804}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/9309607}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=9309607}, issn = {0730-725X}, journal = {Magnetic resonance imaging}, number = {7}, pages = {763--770}, posted-at = {2009-04-02 16:46:49}, priority = {2}, title = {Generic brain activation mapping in functional magnetic resonance imaging: a nonparametric approach.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/9309607}, volume = {15}, year = {1997} }

TY - JOUR ID - Brammer97 L3 - citeulike-article-id:4258804 N2 - We report a novel method to identify brain regions generically activated by periodic experimental design in functional magnetic resonance imaging data. This involves: 1) registering each of N individual functional magnetic resonance imaging datasets in a standard space; 2) computing the median standardised power of response to the experimental design; 3) testing median standardised power at each voxel against its nonparametrically ascertained distribution under the null hypothesis of no experimental effect; and 4) constructing a generic brain activation map. The method is validated by analysis of 6 null images, acquired under conditions when the null hypothesis was known to be true; 8 images acquired during periodic auditory-verbal stimulation; and 6 images acquired during periodic performance of a covert verbal fluency task. IS - 7 JF - Magnetic resonance imaging SN - 0730-725X EP - 770 TI - Generic brain activation mapping in functional magnetic resonance imaging: a nonparametric approach. VL - 15 SP - 763 AU - Brammer, MJ AU - Bullmore, ET AU - Simmons, A AU - Williams, SC AU - Grasby, PM AU - Howard, RJ AU - Woodruff, PW AU - Rabe-Hesketh, S PY - 1997/// UR - http://view.ncbi.nlm.nih.gov/pubmed/9309607 ER -