Spontaneous object recognition memory in aged rats: Complexity versus similarity | Zendy

Fernando Gámiz | Zendy; Milagros Gallo | Zendy

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Spontaneous object recognition memory in aged rats: Complexity versus similarity

Author(s) -

Fernando Gámiz,

Milagros Gallo

Publication year - 2012

Publication title -

learning and memory

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.228

H-Index - 136

eISSN - 1549-5485

pISSN - 1072-0502

DOI - 10.1101/lm.027003.112

Subject(s) - psychology , similarity (geometry) , recognition memory , task (project management) , object (grammar) , memory retention , developmental psychology , memoria , interval (graph theory) , cognitive neuroscience of visual object recognition , spontaneous recovery , audiology , neuroscience , cognitive psychology , cognition , artificial intelligence , medicine , computer science , mathematics , management , combinatorics , economics , image (mathematics)

Previous work on the effect of aging on spontaneous object recognition (SOR) memory tasks in rats has yielded controversial results. Although the results at long-retention intervals are consistent, conflicting results have been reported at shorter delays. We have assessed the potential relevance of the type of object used in the performance of aged rats in SOR tasks. Using standard objects, 24-mo-old rats did not exhibit retention impairment at a 1-h delay. At this retention interval no differences between young and old rats were found in a high-similarity SOR task, but aged rats exhibited deficits when clearly different complex forms were applied.

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