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  • Title: Age and interhemispheric transfer time: a failure to replicate.
    Author: Ratinckx E, Brysbaert M, d'Ydewalle G.
    Journal: Behav Brain Res; 1997 Jul; 86(2):161-4. PubMed ID: 9134150.
    Abstract:
    In a recent study with the Poffenberger paradigm, Brizzolara et al. reported longer estimates of interhemispheric transfer time (IHTT) for children aged 7 years than for adults. They interpreted this finding as evidence for incomplete functional maturity of the corpus callosum in young children. The present study was we were unable to replicate the age effect reported by Brizzolara et al. A closer look at the original study revealed that only 80 observations per child had been collected, which makes it probable that the larger IHTTs in 7-year-olds were caused by stimulus-response compatibility rather than by the lower efficiency of the corpus callosum during childhood years.
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