?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=A+persistence+of+responding+in+hyperstriatal+chicks&rft.creator=Oades%2C+&rft.subject=Behavioral+Neuroscience&rft.subject=Animal+Cognition&rft.subject=Behavioral+Biology&rft.subject=Psychobiology&rft.description=Introduction%3A+%0AVarious+lesions+in+the+dorsomedial+hyperstriatum+accessorium+(DMHA)+of+chicks+were+investigated+because+a+substrate+with+functions+similar+to+the+mammalian+hippocampus+has+been+proposed+for+this+region+(cf.+Oades+1976).%0A%0AMethods%3A%0AOperation%3A+Chicks+were+given+aspiration+lesions+or+bilateral+scalpel+cuts+to+disconnect+the+DMHA+on+day+10+of+life+(4+types+of+lesion)+and+along+with+sham-operates+first+exposed+to+the+the+training+regime+24h+later.%0ATraining%2Ftesting%3A+Birds+were+given+a)+a+runway+task+with+distraction+at+the+focus+of+attention+(black+and+white+food+dish)+or+peripherally+(black+and+white+panels+on+runway+wallswith+a+grid+to+cross)%2C+b)+operant+conditioning+for+food+reward+on+a+DRL-10+schedule+%5Bdifferential+learning+at+low+rate+of+reinforcement+-+one+response+in+10+sec+is+rewarded%5D+and+c)+a+passive+avoidance+task+(with+the+need+to+withold+entering+a+compartment+or+receive+an+electric+footshock).%0A%0AResults%3A+%0A1%2F+DMHA+lesioned+animals+were+less+distracted+by+all+forms+of+novelty+in+the+runway%2C+except+the+presentation+of+differently+coloured+food).+This+feature+was+specific+to+DMHA+damage+and+not+seen+with+brain+damage+elsewhere+or+in+sham-operates.%0A2%2F+After+DMHA+damage+the+animals+had+difficulty+to+learn+to+withold+response+on+the+passive+avoidance+task%2C+and+to+learn+to+withold+peck+responses+to+achieve+reward+on+the+DRL+schedule.%0A%0AConclusions%3A%0AThe+continuation+of+the+characteristics+associated+with+the+trained+response+in+DMHA-lesioned+chicks+(damage+to+the+hyperstriatum+accessorium)+when+experimental+contingencies+change+is+compared+with+the+behaviour+of+mammals+with+lesions+in+the+limbic+system+(the+hippocampus+and+septum).&rft.date=1976&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F1618%2F2%2Fbird-hpc-behav-biol-76.pdf&rft.identifier=++Oades%2C+++(1976)+A+persistence+of+responding+in+hyperstriatal+chicks.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F1618%2F