Abstract
A pentadecapeptide isolated from the brain of rats trained to avoid the dark has been chemically identified and its structure confirmed by synthesis. It induces dark avoidance in untrained animals.
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UNGAR, G., DESIDERIO, D. & PARR, W. Isolation, Identification and Synthesis of a specific-behaviour-inducing Brain Peptide. Nature 238, 198–202 (1972). https://doi.org/10.1038/238198a0
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DOI: https://doi.org/10.1038/238198a0
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