Perirhinal cortex lesions impair simultaneous but not serial feature-positive discrimination learning.
- 1 January 2006
- journal article
- research article
- Published by American Psychological Association (APA) in Behavioral Neuroscience
- Vol. 120 (4), 970-975
- https://doi.org/10.1037/0735-7044.120.4.970
Abstract
The role of the perirhinal cortex in discriminative eyeblink conditioning was examined by means of feature-positive discrimination procedures with simultaneous (A-/XA+) and serial (A-/X-->A+) stimulus compounds. Lesions of the perirhinal cortex severely impaired acquisition of simultaneous feature-positive discrimination but produced no impairment in serial feature-positive discrimination. The results suggest that the perirhinal cortex plays a role in discriminative eyeblink conditioning by resolving ambiguity in discriminations with overlapping stimulus elements.Keywords
Funding Information
- National Institute of Mental Health (MH065483)
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