✦ LIBER ✦

Olfactory P3 in young and older adults

✍ Scribed by Charlie D. Morgan; Mark W. Geisler; James W. Covington; John Polich; Claire Murphy

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 178 KB
Volume: 36
Category: Article
ISSN: 0048-5772
DOI: 10.1017/s0048577299980265

No coin nor oath required. For personal study only.

✦ Synopsis

Olfactory event‐related potentials (OERPs) were recorded monopolarly at the Fz, Cz, and Pz electrode sites in 16 young adults and 16 older adults to assess aging effects on the olfactory P3. Amyl acetate was used to elicit the OERPs, with an intertrial interval of 45 s. Young adults produced significantly larger P3 amplitudes and shorter P3 peak latencies than older adults. The olfactory P3 response appears to be sensitive to age‐related changes in the olfactory system and may reflect cognitive slowing in the central nervous system.

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