?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Semantic+Effect+on+Episodic+Associations&rft.creator=Silberman%2C+Yaron&rft.creator=Miikkulainen%2C+Risto&rft.creator=Bentin%2C+Shlomo&rft.subject=Cognitive+Psychology&rft.subject=Neural+Nets&rft.subject=Neural+Modelling&rft.description=We+examined+the+influence+of+the+pre-existing+organiza-tion+of+the+semantic+memory+on+forming+new+episodic+associations+between+words.+Testing+human+subjects'+performance+we+found+that+a+semantic+relationship+be-tween+words+facilitates+forming+episodic+associations+be-tween+them.+Furthermore%2C+the+amount+of+facilitation+in-creases+linearly+as+a+function+of+the+number+of+co-occurrence+of+the+words%2C+up+to+a+ceiling.+Constrained+by+these+empirical+findings+we+developed+a+computational+model%2C+based+on+the+theory+of+spreading+activation+over+semantic+networks.+The+model+uses+self-organizing+maps+to+represent+semantic+relatedness%2C+and+lateral+connections+to+represent+the+episodic+associations.+When+two+words+are+presented+to+the+model%2C+the+interaction+of+the+two+ac-tivation+waves+is+summed+and+added+to+the+direct+lateral+connection+between+them.+The+main+result+is+that+the+model+is+capable+of+replicating+the+empirical+results.++The+model+also+makes+several+testable+predictions%3A+First%2C+it+should+be+easier+to+form+an+association+from+a+word+with+few+semantic+neighbors+to+a+word+with+many+se-mantic+neighbors+than+vice-versa.+Second%2C+after+associat-ing+an+unrelated+word+pair+it+should+be+easier+to+associate+another+two+words+each+related+to+one+of+the+words+in+the+first+pair.+Third%2C+a+less+focused+activation+wave%2C+which+may+be+the+cause+of+schizophrenic+thought+disor-der%2C+should+decrease+the+advantage+in+learning+rate+of+re-lated+over+unrelated+pairs.&rft.publisher=Lawrence+Erlbaum+Associates&rft.contributor=Moore%2C+Johanna+D.&rft.contributor=Stenning%2C+Keith&rft.date=2001&rft.type=Conference+Paper&rft.type=PeerReviewed&rft.format=application%2Fpostscript&rft.identifier=http%3A%2F%2Fcogprints.org%2F1910%2F1%2FCogSci2001.ps&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F1910%2F4%2FCogSci2001.pdf&rft.identifier=++Silberman%2C+Yaron+and+Miikkulainen%2C+Risto+and+Bentin%2C+Shlomo++(2001)+Semantic+Effect+on+Episodic+Associations.++%5BConference+Paper%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F1910%2F