Normal aging and odor intensity effects on the olfactory event-related potential

被引：39
|
作者：
Covington, JW
Geisler, MW
Polich, J
Murphy, C
机构：
[1] San Diego State Univ, Dept Psychol, San Diego, CA 92182 USA
[2] Univ Calif San Diego, Dept Head & Neck Surg Otolaryngol, San Diego, CA 92103 USA
[3] Scripps Res Inst, Dept Neuropharmacol, La Jolla, CA USA
来源：
INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY | 1999年 / 32卷 / 03期
关键词：
age; odor intensity; olfactory event-related potential; OERP; olfactory stimulus; concentration;
D O I：
10.1016/S0167-8760(99)00012-4
中图分类号：
B84 [心理学];
学科分类号：
04 ; 0402 ;
摘要：
Olfactory event-related potentials (OERPs) were recorded in 14 young and 14 older adults, with odor strength of isoamyl acetate manipulated to assess olfactory stimulus intensity. Young participants produced significantly larger N1/P2, N2/P3 amplitudes and shorter N1, P2 and N2 latencies than older participants. Medium- and high-odor concentrations elicited significantly shorter P2 and N2 latencies than the lowest concentration for both age groups. Odor concentration appears to affect the speed of olfactory stimulus information processing regardless of age. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：205 / 214
页数：10
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