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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Guney, Figen Genc, Bulent Oguz Kutlu, Ruhusen Ilhan, Bilge Cetin |
| Description | Country affiliation: Turkey Author Affiliation: Guney F ( Department of Neurology, Selcuk University, Meram Medical Faculty, Beysehir Street, 42080 Akyokus, Konya, Turkey. guneyfigen@yahoo.com.tr) |
| Abstract | The aim of this study was to elucidate the chronic effects of tobacco smoking on the P300, a neurophysiological index of cognitive function. Prospective study participants were recruited from a family medicine polyclinic. We selected 32 right-handed smokers who had smoked more than 15 cigarettes per day, by inhalation, for more than 2 years. The control population consisted of 32 right-handed, age-matched healthy individuals who had never smoked. Event-related potentials (ERPs) were recorded with the auditory 'oddball' two-tone discrimination task. The data from the central (Cz) and frontal (Fz) electrodes were analyzed. The P300 and N1 amplitudes at Fz were lower in the study population compared to the control group. The early component of ERP, the measure of mental speed (N1) latency at Fz was prolonged in the study group compared to the controls, possibly because early cognitive processes such as sensory input or initial encoding of sensory information were delayed in this group. For those who smoke, a decreased N1 amplitude might indicate delayed information processing and possibly short-term memory disturbance. Thus, chronic tobacco smoking may produce prefrontal cognitive dysfunction. |
| File Format | HTM / HTML |
| ISSN | 09675868 |
| Issue Number | 10 |
| Volume Number | 16 |
| e-ISSN | 15322653 |
| Journal | Journal of Clinical Neuroscience |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2009-10-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Medicine Event-related Potentials, P300 Physiology Smoking Physiopathology Acoustic Stimulation Methods Adult Analysis Of Variance Case-control Studies Cognition Disorders Etiology Electroencephalography Female Humans Male Middle Aged Neuropsychological Tests Reaction Time Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neurology Physiology (medical) Neurology (clinical) Surgery |
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