Smoking and balance: correlation of nicotine-induced nystagmus and postural body sway

Neuroreport
C B PereiraT Brandt

Abstract

Unaccustomed smoking may elicit transient nystagmus, dizziness, unsteadiness, and nausea. Infrared videonystagmography and posturography were performed simultaneously to study the differential effects of nicotine on the association of ocular motor and postural disturbances in 25 non- or occasional smokers. Sixteen showed nicotine-induced nystagmus (NIN) of various directions (mainly horizontal or upbeat) which was associated with a significant increase in postural sway after smoking a cigarette (total sway path (SP) before smoking 2.22 +/- 0.82 m/min (mean +/- s.d.), 1 min after smoking 3.83 +/- 1.41 m/min; p < 0.0004, ANOVA); nine showed neither effect. There was a high correlation between the intensity of the nystagmus (measured as peak slow phase velocity) and the increase in total SP (correlation coefficient 0.78) as well as the time courses of both. Visual fixation of an LED integrated in the mask not only caused a suppression of NIN but also a decrease in body sway. Transient ocular motor and postural effects are compatible with simultaneous nicotine-induced effects on the vestibulo-ocular and vestibulo-spinal functions.

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Citations

Apr 4, 2002·Psychiatry and Clinical Neurosciences·Kumiko IshizakiKenji Nakashima
Nov 13, 2007·International Journal of Health Geographics·Michèle BaumannUNKNOWN Lorhandicap group
Aug 17, 2004·Journal of Occupational Health·Nearkasen ChauDominique Dehaene
May 19, 2009·Aging Clinical and Experimental Research·Angelo Di IorioGiuseppe Abate
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Oct 19, 2012·Current Opinion in Anaesthesiology·J Lance Lichtor
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Jan 28, 2010·Journal of Forensic Sciences·Steven J Rubenzer, Scott B Stevenson
Jan 22, 2005·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Thomas Brandt, Michael Strupp
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Nov 3, 2010·Autonomic Neuroscience : Basic & Clinical·John F GoldingMichael A Gresty
May 8, 2007·European Journal of Epidemiology·Nearkasen ChauMarie Choquet
May 31, 2018·PloS One·Michel HugDavid Miedinger

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