?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Multi+Agent+Modelling%3A+Evolution+and+Skull+Thickness+in+Hominids&rft.creator=Vural%2C+senior+student+Seda&rft.creator=T%C3%BCzer%2C+senior+student+Sinan%2C+F.&rft.subject=Artificial+Intelligence&rft.description=Within+human+evolution%2C+the+period+of+Homo+Erectus+is+particularly+interesting+since+in+this+period%2C%0Aour+ancestors+have+carried+thicker+skulls+than+the+species+both+before+and+after+them.+There+are%0Acompeting+theories+as+to+the+reasons+of+this+enlargement+and+its+reversal.+One+of+these+is+the+theory%0Athat+Homo+Erectus+males+fought+for+females+by+clubbing+each+other+on+the+head.+The+other+one+says%0Athat+due+to+the+fact+that+Homo+Erectus%E2%80%99+did+not+cook+their+food+at+all%2C+they+had+to+have+strong+jaw%0Amuscles+attached+to+ridges+on+either+side+of+the+skull+which+prohibited+brain+and+skull+growth+but%0Arequired+the+skull+to+be+thick.%0AThe+re-thinning+of+the+skull+on+the+other+hand+might+be+due+to+the+fact+that+a+thick+skull+provided%0Apoor+cooling+for+the+brain+or+that+as+hominids+started+using+tools+to+cut+their+food+and+using+fire+to%0Acook+it%2C+they+did+not+require+the+strong+jaw+muscles+anymore+and+this+trait+was+actually+selected%0Aagainst+since+the+brain+had+a+tendency+to+grow+and+the+ridges+and+a+thick+skull+were+preventing+this.%0AIn+this+paper+we+simulated+both+the+fighting+and+the+diet+as+ways+in+which+the+hominid+skull+grew%0Athicker.+We+also+added+other+properties+such+as+cooperation%2C+selfishness+and+vision+to+our+agents+and%0Aanalyzed+their+changes+over+generations.%0AKeywords%3A+Evolution%2C+Skull+Thickness%2C+Hominids%2C+Multi-Agent+Modeling%2C+Genetic+Algorithms&rft.date=2004&rft.type=Other&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F3923%2F1%2Fpaper%2526pics.pdf&rft.identifier=++Vural%2C+senior+student+Seda+and+T%C3%BCzer%2C+senior+student+Sinan%2C+F.++(2004)+Multi+Agent+Modelling%3A+Evolution+and+Skull+Thickness+in+Hominids.+++++(In+Press)++&rft.relation=http%3A%2F%2Fcogprints.org%2F3923%2F