PT - JOURNAL ARTICLE AU - Iwasaki, S. AU - McGarvie, L. A. AU - Halmagyi, G. M. AU - Burgess, A. M. AU - Kim, J. AU - Colebatch, J. G. AU - Curthoys, I. S. TI - Head taps evoke a crossed vestibulo-ocular reflex AID - 10.1212/01.wnl.0000259064.80564.21 DP - 2007 Apr 10 TA - Neurology PG - 1227--1229 VI - 68 IP - 15 4099 - http://n.neurology.org/content/68/15/1227.short 4100 - http://n.neurology.org/content/68/15/1227.full SO - Neurology2007 Apr 10; 68 AB - Taps to the forehead on the midline, at the hairline (Fz), with a reflex hammer or powerful bone conduction vibrator caused short-latency surface potentials from beneath both eyes in all healthy subjects. The earliest negative responses were invariably absent from the eye contralateral to the side of a previous vestibular nerve section but were preserved despite sensorineural hearing loss. These responses probably reflect vestibular function via crossed otolith–ocular pathways.