Dopamine: A substance with many messages

Jul 28, 2012 by

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From earliest childhood we learn to avoid things that harm us and seek positive experiences instead. Aversive memory is created by experiences like pricking our finger on a rose thorn, which we remember for a long time. Conversely, the smell of fresh food is positively associated with a feeling of satiety and creates a reward memory.

Hiromu Tanimoto and his colleagues at the Max Planck Institute of Neurobiology recently localized and identified the most important types of nerve cells involved in forming positive and negative memories of a fruit fly.

Dopamine: A substance with many messages

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