Transcallosal conduction time measured by visual hemifield stimulation with face images

Neuroreport
Omi Terasaki, Mitsutoshi Okazaki

Abstract

Transcallosal conduction time (TCT) in human visual system was estimated from the hemispheric difference of the peak latencies of face-evoked magnetic field (N170m) by left/right hemifield stimulation using 14 8 channel whole-head magnetometers. The estimated TCTwas 18.0 + 6.2 ms (mean +/- s.d.). Although N 170m amplitude was larger in the right hemisphere of seven of nine subjects, no hemispheric asymmetry was observed in the TCT estimate. Transcallosal visual information was likely to be transferred in the higher order (non-retinotopic) visual cortices. Hemifield stimulation with face images is a useful non-invasive method to estimate the TCT in human visual system.

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Citations

Oct 19, 2004·Experimental Brain Research·Miyuki YamamotoShigeru Kitazawa
Jul 13, 2011·Journal of Neurology·Keiko OnodaHisashi Ogawa
Aug 10, 2011·Cerebral Cortex
Feb 4, 2012·Cerebral Cortex·Simone TomasiGiorgio M Innocenti
Jan 11, 2005·Neuroreport·Corentin Jacques, Bruno Rossion
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Sep 28, 2004·Proceedings of the National Academy of Sciences of the United States of America·Bruno RossionMichael J Tarr
Feb 9, 2016·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Elliott D RossSridhar Radhakrishnan
Jun 19, 2004·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Kensaku MikiAina Puce
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Sep 9, 2005·Chemical Senses·Keiko OnodaAkinori Kida
Jul 3, 2021·Brain Connectivity·Kiwamu KudoSrikantan S Nagarajan

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