The medial frontal cortex and temporal memory: tests using spontaneous exploratory behaviour in the rat

Evidence from several sources indicates that the frontal cortex is involved in memory involving time, or temporal memory, and in behavioral sequencing. Rats were presented with two familiar objects and the amount of exploration directed at each was recorded. Subjects directed more exploration at the...

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Bibliographic Details
Published in:Behavioural brain research 1998-12, Vol.97 (1), p.107-113
Main Authors: Mitchell, John B, Laiacona, Jennifer
Format: Article
Language:English
Subjects:
Anatomical correlates of behavior
Animals
Behavioral psychophysiology
Biological and medical sciences
Cognition - physiology
Discrimination (Psychology) - physiology
Exploration
Exploratory Behavior - physiology
Fundamental and applied biological sciences. Psychology
Male
Memory
Memory - physiology
Object recognition
Prefrontal cortex
Prefrontal Cortex - physiology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Rats
Time Perception - physiology
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Summary:Evidence from several sources indicates that the frontal cortex is involved in memory involving time, or temporal memory, and in behavioral sequencing. Rats were presented with two familiar objects and the amount of exploration directed at each was recorded. Subjects directed more exploration at the object encountered further ago in the past, even though the two objects differed by only 1 h. After bilateral medial frontal cortex lesion, animals did not differentiate between old and recent objects. Performance on an object recognition test (novel versus familiar objects) that also used exploration time did not change as a result of the medial frontal cortex lesions.
ISSN:0166-4328
1872-7549
DOI:10.1016/S0166-4328(98)00032-1