?url_ver=Z39.88-2004&rft_id=10.3389%2Ffnagi.2012.00014&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Naohide&rft.aulast=Yamamoto&rft.au=Yamamoto%2C+Naohide&rft.volume=4&rft.atitle=Differential+effects+of+aging+on+spatial+learning+through+exploratory+navigation+and+map+reading&rft.date=2012&rft.title=Frontiers+in+Aging+Neuroscience&rft.issn=1663-4365&rft.genre=article