?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Category+deficits+and+paradoxical+dissociations+in+Alzheimer's+disease+and+Herpes+Simplex+Hencephalitis&rft.creator=Laws%2C+Dr.+Keith&rft.creator=Sartori%2C+Prof.+Giuseppe&rft.subject=Neuropsychology&rft.description=Most+studies+examining+category+specificity+are+single-case+studies+of+patients+with+living+or+non+living+deficits.+Nevertheless%2C+no+explicit+or+agreed+criteria+exist+for+establishing+category-specific+deficits+in+single-cases+regarding+the+type+of+analyses%2C+whether+to+compare+with+healthy+controls%2C+the+number+of+tasks%2C+or+the+type+of+tasks.+We+examined+to+groups+of+patients+with+neurological+pathology+frequently+accompained+with+impaired+semantic+memory+(19+patients+with+Alzheimer+disease+and+15+with+Herpes+Simplex+Encephalitis).+Category+knowledge+was+examined+using+three+tasks+(picture+naming%2C++naming-to-description+and+features+verification).+Both+patients+groups+were+compared+with+aged-+and+education-+matched+healthy+controls.+The+profile+of+each+patients+was+examined+for+consistency+across+tasks+and+across+different+analyses%3B+however+both+prove+to+be+inconsistent.+One+striking+findings+was+the+presence+of+a+paradoxical+dissociation+(+i.e.%2C+patients+who+were+impaired+on+living+things+on+one+task+and+non+living+things+on+another+task).+The+findings+have+significant+implication+for+how+we+determine+category+effects+and%2C+more+generall+for+the+methods+use+to+document+double+dissociation+across+individual+cases+in+this+literature.&rft.date=2005&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F5104%2F1%2FLaws_Sartori_2005.pdf&rft.identifier=++Laws%2C+Dr.+Keith+and+Sartori%2C+Prof.+Giuseppe++(2005)+Category+deficits+and+paradoxical+dissociations+in+Alzheimer's+disease+and+Herpes+Simplex+Hencephalitis.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F5104%2F