?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Incidences+of+asymmetries+for+the+palmar+grasp+reflex+in+neonates+and+hand+preference+in+adults&rft.creator=Tan%2C+Uner&rft.creator=Tan%2C+Meliha&rft.subject=Behavioral+Neuroscience&rft.subject=Behavioral+Neuroscience&rft.subject=Neurophysiology&rft.subject=Neuropsychology&rft.subject=Physiological+Psychology&rft.description=It+was+hypothesized+that+adult+handedness+might+be+predicted+from+the+neonatal+grasp+reflex.+Grasp+reflex+was+measured+from+right+and+left+hand+(10+trials+for+each+hand)+in+neonates.+According+to+significance+for+the+difference+between+the+mean+grasp+reflex+strength+from+the+right+and+left+hands%2C+the+subjects+were+designated+as+right-%2C+left-%2C+and+mixed-handers.+Adult+hand+preference+was+assessed+by+Edinburgh+Handedness+Inventory.+The+percentage+of+left-handedness+(8.3%25)+in+neonates+coincided+with+adult+left-handedness+(6.3-9.2%25).+The+percentage+of+consistent+right-hand+preference+in+adults+coincided+with+percentage+of+right-handedness+in+neonates+(25.7%25).+The+high+percentage+of+neonatal+mixed-handedness+was+similar+to+that+to+be+expected+from+the+right+shift+model+of+hand+preference.+It+was+concluded+that+left-handedness+and+consistent+right-+handedness+may+be+determined+prenatally%2C+under+genetic+and%2For+hormonal+control%2C+and+that+a+large+majority+of+neonatal+handedness%2C+mixed-handers%2C+might+change+their+hand+preference+in+favor+of+right-handedness+under+socio-cultural+and+developmental+influences+of+speech+centres.&rft.date=1999-11&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F135%2F3%2FV0182G1L.pdf&rft.identifier=++Tan%2C+Uner+and+Tan%2C+Meliha++(1999)+Incidences+of+asymmetries+for+the+palmar+grasp+reflex+in+neonates+and+hand+preference+in+adults.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F135%2F