Olfactory recognition: a simple memory system.

  title={Olfactory recognition: a simple memory system.},
  author={Peter A. Brennan and Hideto Kaba and Eric B. Keverne},
  volume={250 4985},
Mice have an olfactory (pheromone) recognition memory located at the first relay in the sensory system. It is acquired with one-trial learning, contingent upon norepinephrine activation at mating, and lasts for several weeks. The mechanism involves Hebbian (association-dependent) changes in synaptic efficacy at dendrodendritic synapses in the accessory olfactory bulb. As a result of this memory, males made familiar by mating are recognized by the females, thereby mitigating pregnancy block… CONTINUE READING

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