The development of tactile transfer of information.
A finger localization task was used to investigate interhemispheric transfer of tactile information in children aged 5, 7, 9 and 11 yr. Other-hand responses (cross-localization) were less accurate than same-hand responses for all ages tested. However, the size of the cross-localization deficit was strongly age-dependent, and provided evidence for a developmental improvement in interhemispheric transfer which is consistent with the sequence of myelination of the corpus callosum during the first decade of life. Transfer with mirror-imaged finger positions on the opposite hands was more accurate for younger children, whereas older children were more accurate when finger positions were spatially aligned.
D001931:Brain Mapping; D002540:Cerebral Cortex / Q000502:physiology*; D002648:Child; D002675:Child, Preschool; D003337:Corpus Callosum / Q000254:growth & development / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D009186:Myelin Sheath / Q000502:physiology; D011434:Proprioception; D014110:Touch / Q000502:physiology*; D014163:Transfer, Psychology