?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=A+Stone's+Throw+and+its+Launch+Window%3A+Timing+Precision+and+its+Implications+for+Language+and+Hominid+Brains&rft.creator=Calvin%2C+William+H.&rft.subject=Neurolinguistics&rft.description=Did+bigger+brains+for+more+precise+throwing+lead+to+language%2C+much+as+feathers+for+insulation+may+have+set+the+stage+for+bird+flight%3F+Throwing+rocks+even+at+stationary+prey+requires+great+precision+in+the+timing+of+rock+release+from+an+overarm+throw%2C+with+the+%22launch+window%22+narrowing+eight-fold+when+the+throwing+distance+is+doubled+from+a+beginner's+throw.+Paralleled+timing+neurons+can+overcome+the+usual+neural+noise+limitations+via+the+law+of+large+numbers%2C+suggesting+that+enhanced+throwing+skill+could+have+produced+a+strong+selection+pressure+for+any+evolutionary+trends+that+provided+additional+timing+neurons.+This+enhanced+timing+circuitry+may+have+developed+secondary+uses+for+language+reception+and+production.&rft.date=1983&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F21%2F1%2F1983JTheoretBiol.htm&rft.identifier=++Calvin%2C+William+H.++(1983)+A+Stone's+Throw+and+its+Launch+Window%3A+Timing+Precision+and+its+Implications+for+Language+and+Hominid+Brains.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F21%2F