?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=The+Concept+of+Disease%3A+Structure+and+Change&rft.creator=Thagard%2C+P.&rft.subject=Cognitive+Psychology&rft.subject=Artificial+Intelligence&rft.subject=Philosophy+of+Science&rft.description=By+contrasting+Hippocratic+and+nineteenth+century+theories+of+disease%2C+this+paper+describes+important+conceptual+changes+that+have+taken+place+in+the+history+of+medicine.+Disease+concepts+are+presented+as+causal+networks+that+represent+the+relations+among+the+symptoms%2C+causes%2C+and+treatment+of+a+disease.+The+transition+to+the+germ+theory+of+disease+produced+dramatic+conceptual+changes+as+the+result+of+a+radically+new+view+of+disease+causation.+An+analogy+between+disease+and+fermentation+was+important+for+two+of+the+main+developers+of+the+germ+theory+of+disease%2C+Pasteur+and+Lister.+Attention+to+the+development+of+germ+concepts+shows+the+need+for+a+referential+account+of+conceptual+change+to+complement+a+representational+account.&rft.date=1996&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F672%2F1%2FConcept.html&rft.identifier=++Thagard%2C+P.++(1996)+The+Concept+of+Disease%3A+Structure+and+Change.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F672%2F