?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=A+distributional+model+of+semantic+context+effects+in+lexical+processinga&rft.creator=McDonald%2C+Scott&rft.creator=Brew%2C+Chris&rft.subject=Psycholinguistics&rft.description=One+of+the+most+robust+findings+of+experimental+psycholinguistics+is+that+the+context+in+which+a+word+is+presented+influences+the+effort+involved+in+processing+that+word.+We+present+a+novel+model+of+contextual+facilitation+based+on+word+co-occurrence+prob+ability+distributions%2C+and+empirically+validate+the+model+through+simulation+of+three+representative+types+of+context+manipulation%3A+single+word+priming%2C+multiple-priming+and+contextual+constraint.+In+our+simulations+the+effects+of+semantic+context+are+mod+eled+using+general-purpose+techniques+and+representations+from+multivariate+statistics%2C+augmented+with+simple+assumptions+reflecting+the+inherently+incremental+nature+of+speech+understanding.+The+contribution+of+our+study+is+to+show+that+special-purpose+m+echanisms+are+not+necessary+in+order+to+capture+the+general+pattern+of+the+experimental+results%2C+and+that+a+range+of+semantic+context+effects+can+be+subsumed+under+the+same+principled+account.%E2%80%BAo&rft.date=2002&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F3119%2F1%2FMcDonald_Brew.pdf&rft.identifier=++McDonald%2C+Scott+and+Brew%2C+Chris++(2002)+A+distributional+model+of+semantic+context+effects+in+lexical+processinga.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F3119%2F