?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Islands+in+the+Mind%3A+Dynamic+Subdivisions+of+Association+Cortex+and+the+Emergence+of+a+Darwin+Machine&rft.creator=Calvin%2C+William+H.&rft.subject=Neurolinguistics&rft.subject=Neurophysiology&rft.description=To+model+cognitive+processing%2C+language+construction%2C+and+%22intelligence%22+at+a+neurophysiological+level+using+darwinian+evolutionary+mechanisms+requires+more+than+a+survival-of-the-fittest+principle.+Darwinism+is+all+about+the+copying+success+of+patterns+(typically+DNA+strings)%3B+here+I+outline+a+seconds-to-minutes+competition+between+different+spatiotemporal+firing+patterns+in+a+multifunctional+cortical+workspace.+The+proposed+mechanism+for+recall+from+a+passive+distributed+memory+into+an+active+working+memory+is+analogous+to+genotypes+and+phenotypes.+The+ephemeral+working+patterns+copy+themselves+in+the+manner+of+wallpaper+pattern+repeats%3B+they+occupy+flexible+islands+in+the+workspace+(useful+for+multi-tasking+and+analogical+reasoning)+that+compete+with+one+another+for+the+limited+workspace%2C+with+a+widespread+pattern+signaling+object+identification+or+readiness+to+act.+Pattern+evolution+is+accelerated+by+cortical+equivalents+of+the+roles+played+by+climate+change+and+lowered+sea+level+in+island+biogeography.+Chimeric+islands+containing+a+pastiche+of+patterns+are+judged+against+episodic+memories+in+a+way+that+bears+some+correspondence+to+the+known+organization+of+human+language+cortex.&rft.date=1991&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F23%2F1%2F1991Seminars.htm&rft.identifier=++Calvin%2C+William+H.++(1991)+Islands+in+the+Mind%3A+Dynamic+Subdivisions+of+Association+Cortex+and+the+Emergence+of+a+Darwin+Machine.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F23%2F