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Extinction in goldfish: facilitation by intracranial injection of RNA from brains of extinguished donors
Authors:W G Braud
Abstract:Extracts rich in RNA were prepared from the brains of goldfish that had acquired and then extinguished a light-signaled avoidance to shock in an aquatic shuttle-box. Recipient fish injected intracranially with such extracts extinguished the response significantly faster than those injected with extracts prepared from brains of naive donors.
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