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Unformatted text preview: Odor detection and recognition o Olfactory detection thresholds and recognition ability depends on several factors, including: Chemical compound Sex Expertise Age o Odor detection Psychophysical methods Staircase method method for determining the concentration of stimulus required for detection at a threshold level o Stimulus is presented in increasing concentration until detection is indicated o Then o Odor discrimination Psychophysical method Triangle test participant is given three odors to smell, two of which are the same and one is different o Participants must identify the odd odor o The order of the three odors is varied and tested several times o Sex differences Females tend to outperform males in test of detection(lower thresholds) and discrimination, particularly if they are ovulating Cain (1982) presented males and females with 80 different common odorants and asked them to identify each one...
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This note was uploaded on 11/27/2011 for the course PSYC 225 taught by Professor Staff during the Fall '10 term at UNC.
- Fall '10