The acute effect of cigarette smoking on pattern visual evoked potentials.

Documenta Ophthalmologica. Advances in Ophthalmology
A Hakan DurukanM Zeki Bayraktar

Abstract

Reports of tobacco-induced electrocortical activation and decrements in ocular blood flow in the acute phase indicated that this effect is mediated via nicotine's action or neuronal systems. In this study, pattern visual evoked potentials were investigated in a group of male smokers (22 right eyes of 22 subjects) in separate real smoking and sham smoking sessions. On each session, pattern visual evoked potentials were recorded before smoking, immediately after smoking, and five minutes after smoking. Latency and amplitude values for P100 peaks were assessed and analyzed in each smoking condition for both real smoking and sham smoking sessions. Real smoking significantly decreased P100 latency values (p value related to difference between pre-smoking and immediately after smoking conditions is 0.009) and increased P100 amplitude values (p value related to difference between pre-smoking and fifth minute after smoking is 0.039). Statistically no significant difference was observed in sham smoking sessions. Our results are consistent with smoking-induced stimulant effects on pattern visual evoked potentials.

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Citations

Sep 15, 2006·Documenta Ophthalmologica. Advances in Ophthalmology·Fatih C GundoganM Zeki Bayraktar
Feb 26, 2013·International Ophthalmology·Güngör SobacıAtilla Bayer
Feb 16, 2007·Clinical & Experimental Ophthalmology·Fatih C GundoganM Zeki Bayraktar
May 17, 2012·Annals of Saudi Medicine·Raja Sawaya, Mohamed I Kanso
Dec 22, 2012·Ophthalmic Research·Güngör SobacıSamir Musayev

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