?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=FEATURE+TYPE+EFFECTS+IN+SEMANTIC+MEMORY%3A%0AAN+EVENT+RELATED+POTENTIALS+STUDY%0A&rft.creator=Sartori%2C+Prof.+Giuseppe&rft.creator=Polezzi%2C+Dr.+David&rft.creator=Mameli%2C+Dr.+Francesca&rft.creator=Lombardi%2C+Dr.+Luigi&rft.subject=Behavioral+Neuroscience&rft.description=It+is+believed+that+the+N400+elicited+by+concepts+belonging+to+Living+is+larger+than+N400+to+Objects.+This+is+considered+as+evidence+that+concepts+are+organized%2C+in+the+brain%2C+on+the+basis+of+categories.+Similarly%2C+differential+N400+to+sensory+and+non-sensory+semantic+features+was+taken+as+evidence+for+a+neural+organisation+of+conceptual+memory+based+on+semantic+features.+We+conducted+a+feature-verification+experiment+where+Living+and+Non-Living+concepts+are+described+by+sensory+and+non-sensory+features+were+matched+for+age-of-acquisition%2C+typicality+and+familiarity+and+for+relevance+of+semantic+features.+Relevance+is+a+measure+of+the+contribution+of+semantic+features+to+the+%E2%80%9Ccore%E2%80%9D+meaning+of+a+concept.+We+found+that+when+Relevance+is+low+then+N400+is+larger.+In+addition%2C+we+found+that+when+the+two+categories+of+Living+and+Non-Living+concepts+are+matched+for+relevance+the+seemingly+category+effect+at+the+neural+level+disappeared.+Also+no+difference+between+sensory+and+non-sensory+descriptions+was+detected+when+relevance+was+matched.+In+sum%2C+N400+does+not+differ+between+categories+or+feature+types.+Previously+reported+effects+of+semantic+categories+and+feature+type+may+have+arisen+as+a+consequence+of+the+differing+Relevance+of+concepts+belonging+to+Living+and+Non-Living+categories.&rft.date=2005&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F5121%2F1%2FSartori_Polezzi_Mameli_Lombardi_2005.pdf&rft.identifier=++Sartori%2C+Prof.+Giuseppe+and+Polezzi%2C+Dr.+David+and+Mameli%2C+Dr.+Francesca+and+Lombardi%2C+Dr.+Luigi++(2005)+FEATURE+TYPE+EFFECTS+IN+SEMANTIC+MEMORY%3A+AN+EVENT+RELATED+POTENTIALS+STUDY.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F5121%2F