Application of fMRI adaptation to characterize the neural representation of color.

W .K .Sim m ns etl./N eurochologia 45 (2007802–2810 F.1. E am ples of tim ulused in he perctualand conctualknow ldge taks.T he op half of he fiure diplays exam le tim li rom he clor perction functionalzertask.Subjects view ed 21-s bcks ofhrom tic nd ahrom tic tim uand dterm ied ithe w edesin each tim uusw helform ed an oerly cckw se ue seqence.T he bttom haofthe fiure dpicts tim ufrom he eve-related prperty vercation tak.In conc-property tals, sujects w re prented a coceptw rd or tw o secos,follow ed by a poprty w or,also frtw o sends.T hertask w as to inicate w heerthe prperty culd be rue othe conc.Property w orcould inicate eitheolorsorm otor acons.O n a subsetols,subjectssaw coceptw orthatw re nofollow ed by prorties.T hese tials w re inluded to allow decvolution othe reonse to coceptw ords rom he reonse to he prperty w ods. eties vified dring he prperty vercation task.ecifically, w e asessed w hethercolpertiesactivated ny ohese aeas m re tan id he m otoroperties. 2. M eods 2.1. Sujects en right-ded,native E nglispeaking vonteers rom he E m ry U ivrsity om m unity parcipated in he scnning sudy or ay six em le nd fur m le; ge rage, 1–44 yars). A ll sujects om peted halth qustionnires pior to scaning,and none incated a htory of head ijury or oher neurocalproblem s.In accrdance w ith he prcribed procols of E m ry U niversitnstitutionalR eiew B oard,aubjectsread nd sned an iform ed conntform deribing he proedures nd posible rks. 2.2. E xerim entdesign Subjtsperform ed tw o taksw ile unrgoing fM R I:an eve-related poprty vercation ask in w hich sujects reieved know ldge aout om m on obects’ clor nd m otor propes,follow ed by a bock dsign vrsion of he Frnsw oth-M unll100 H ue Tasadapted rom