?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=What+is+the+functional+role+of+adult+neurogenesis+in+the+hippocampus%3F&rft.creator=Wiskott%2C+Laurenz&rft.creator=Rasch%2C+Malte+J.&rft.creator=Kempermann%2C+Gerd&rft.subject=Animal+Cognition&rft.subject=Neural+Nets&rft.subject=Theoretical+Biology&rft.description=+The+dentate+gyrus+is+part+of+the+hippocampal+memory+system+and+special+in%0A+that+it+generates+new+neurons+throughout+life.++Here+we+discuss+the%0A+question+of+what+the+functional+role+of+these+new+neurons+might+be.++Our%0A+hypothesis+is+that+they+help+the+dentate+gyrus+to+avoid+the+problem+of%0A+catastrophic+interference+when+adapting+to+new+environments.++We+assume%0A+that+old+neurons+are+rather+stable+and+preserve+an+optimal+encoding%0A+learned+for+known+environments+while+new+neurons+are+plastic+to+adapt+to%0A+those+features+that+are+qualitatively+new+in+a+new+environment.++A+simple%0A+network+simulation+demonstrates+that+adding+new+plastic+neurons+is+indeed%0A+a+successful+strategy+for+adaptation+without+catastrophic+interference.%0A&rft.date=2004&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F4012%2F1%2Fwiskottetal2004.pdf&rft.format=application%2Fpostscript&rft.identifier=http%3A%2F%2Fcogprints.org%2F4012%2F2%2Fwiskottetal2004.ps&rft.identifier=++Wiskott%2C+Laurenz+and+Rasch%2C+Malte+J.+and+Kempermann%2C+Gerd++(2004)+What+is+the+functional+role+of+adult+neurogenesis+in+the+hippocampus%3F++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4012%2F