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  • Title: Visual evoked potentials to lateralized visual stimuli and the measurement of interhemispheric transmission time.
    Author: Rugg MD, Lines CR, Milner AD.
    Journal: Neuropsychologia; 1984; 22(2):215-25. PubMed ID: 6728185.
    Abstract:
    Visual evoked potentials (VEPs) to lateralized light flashes were recorded from the parietal midline, and from homologous occipital and central sites, in a GO/ NOGO reaction time task. The N160 component of the VEP was found to be larger over the hemisphere contralateral to the visual field of stimulus exposure at all pairs of lateral electrodes. At the occipital sites only, N160 latency was also shorter from the contralateral hemisphere, by an average of approximately 14 msec. This was not so centrally, where a non-significant value of approximately 4 msec was obtained. These data are considered to be consistent with Milner and Lines' hypothesis that callosal transmission occurs at different rates in different functional regions of the corpus callosum.
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