Abstract:
:It is not known whether, or to what degree, odor memory is influenced by lateralized brain processes. In this study, we administered a 12-item match-to-sample odor memory test separately to the left and right sides of the nose of 30 left- and 30 right-handed subjects of equivalent age, sex distribution, and overall general smell ability. For each test item, one of three delay intervals (10-, 30-, and 60-s) was interspersed between smelling the target stimulus and smelling the first of four response alternatives. Women, but not men, performed significantly better on the left than on the right side of the nose, conceivably reflecting greater reliance upon left-hemisphere semantic processes. Subjects who received the first test on the right side of the nose outperformed those who received the first test on the left side of the nose. As in previous work, an age-related decrement in odor memory test scores was present. These data contribute to the debate on the role of lateralized brain processes in episodic odor memory, and suggest that performance on a standardized match-to-sample odor memory task is influenced by a number of interacting factors.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Doty RL,Kerr KLdoi
10.1016/j.neuropsychologia.2005.02.007subject
Has Abstractpub_date
2005-01-01 00:00:00pages
1749-53issue
12eissn
0028-3932issn
1873-3514pii
S0028-3932(05)00106-5journal_volume
43pub_type
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