New Routes to Early Memories

Stimulation of one side of the olfactory system during training with odor-milk pairings in neonatal rats results in their ability to recall an odor memory by using the trained but not the untrained side of the brain. In 12-day-old rats, olfactory learning can be recalled by stimulation of either the...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1987-11, Vol.238 (4828), p.786-788
Main Authors: Kucharski, David, Hall, W. G.
Format: Article
Language:English
Subjects:
Aging
Animals
Animals, Newborn
Bedding
Behavioral laterality
Behavioral neuroscience
Behavioral psychophysiology
Biological and medical sciences
Brain
Brain - growth & development
Brain - physiology
Catheterization
Central Nervous System - growth & development
Functional Laterality
Fundamental and applied biological sciences. Psychology
Laboratory rats
Laterality
Learning
Left and right (Psychology)
Lesions
Medical research
Memory
Milk
Nervous system
Odorants
Odors
Olfactometry
Olfactory pathways
Olfactory Pathways - growth & development
Olfactory Pathways - physiology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Pups
Rats
Rats as laboratory animals
Rodents
Training
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Summary:Stimulation of one side of the olfactory system during training with odor-milk pairings in neonatal rats results in their ability to recall an odor memory by using the trained but not the untrained side of the brain. In 12-day-old rats, olfactory learning can be recalled by stimulation of either the trained or untrained side. The development of bilateral recall reflects the maturation of olfactory commissural pathways that provide access to the olfactory memory stored on the contralateral side. Furthermore, the commissural pathways need not be present at the time of memory formation but can establish new and specific access to already existing olfactory memories.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.3672125