Enhanced neural response to familiar olfactory cues

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Science  24 Aug 1984:
Vol. 225, Issue 4664, pp. 849-851
DOI: 10.1126/science.6474157


Norway rat pups have an enhanced olfactory bulb response to a familiar odor. A specific complex of glomeruli showed increased carbon-14-labeled 2-deoxy-D-glucose uptake in response to peppermint odor in 19-day-old pups exposed to peppermint on days 1 to 18 after birth, relative to control pups that had been exposed to clean air. The increased activity was not due to increased respiration of the familiar odor.