?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=+++++Replicability+of+cognitive+imaging+of+the+cerebral+cortex+By+PET+and+fMRI%3A+A+survey+of+recent+literature.&rft.creator=Harpaz%2C+Yehouda&rft.subject=Behavioral+Neuroscience&rft.subject=Brain+Imaging&rft.subject=Cognitive+Psychology&rft.subject=Neuroanatomy&rft.subject=Physiological+Psychology&rft.description=PET+and+fMRI+are+relatively+new+techniques%2C+which+allows+imaging+of+the+brain+without+disturbing+it%2C+and+they+are+important+tools+in+clinical+treatment+and+investigation.+They+are+also+used+for+cognitive+investigation%2C+by+which+I+mean+investigation+the+working+of+the+healthy+brain+(Frackowiak+et+al%2C+1997).+Naturally%2C+the+main+focus+of+investigation+is+the+cerebral+cortex.+In+this+paper%2C+I+survey+the+recent+literature+for+evidence+about+the+replicability+of+these+studies.+The+survey+covers+125+primary+research+articles%2C+taken+from+21+different+journals+during+the+first+10+months+of+1997.+The+main+findings+are%3A+1.The+data+about+replicability+in+cognitive+imaging+is+extremely+sparse.+2.The+sparse+data+that+does+exists+is+mostly+negative%2C+i.e.+points+to+irreplicability.+These+findings+suggest+that+there+is+a+problem+with+replicability+in+cognitive+imaging%2C+and+an+effort+is+required+to+resolve+it.&rft.date=1998-06&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F1903%2F1%2Fl.html&rft.identifier=++Harpaz%2C+Yehouda++(1998)++Replicability+of+cognitive+imaging+of+the+cerebral+cortex+By+PET+and+fMRI%3A+A+survey+of+recent+literature.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F1903%2F