?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=The+Neurons+In+The+Brain+Cannot+Implement+Symbolic+Systems&rft.creator=Harpaz%2C+Yehouda&rft.subject=Cognitive+Psychology&rft.subject=Cognitive+Psychology&rft.subject=Computational+Neuroscience&rft.subject=Neurophysiology&rft.description=It+is+widely+accepted+that+symbolic+systems+are+useful+in+understanding+the+working+of+the+brain%2C+and+there+are+many+symbolic+models+of+functions+of+the+brain.+This+is+based+on+the+assumption%2C+commonly+implicit%2C+that+in+the+brain+itself+there+is+a+symbolic+system.+In+this+article+I+challenge+this+belief%2C+by+showing+that+symbolic+systems+cannot+be+implemented+by+neurons+in+the+brain.+I+based+the+argument+on+textbook+knowledge+from+neurobiology%2C+and+the+basic+requirements+for+implementing+symbolic+systems.+In+particular%2C+I+show+that+there+is+no+way+to+implement+symbol+tokens+in+neuronal+substrate%2C+where+the+individual+connections+of+individual+neurons+(as+opposed+to+cell+populations)+are+not+well+defined.&rft.date=1996-04&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F715%2F1%2Fyeh-2.html&rft.identifier=++Harpaz%2C+Yehouda++(1996)+The+Neurons+In+The+Brain+Cannot+Implement+Symbolic+Systems.++%5BPreprint%5D++++(Unpublished)++&rft.relation=http%3A%2F%2Fcogprints.org%2F715%2F