Olfactory plasticity: One nostril knows what the other learns

  title={Olfactory plasticity: One nostril knows what the other learns},
  author={Joel D Mainland and Elizabeth A. Bremner and Natasha Young and Brad Johnson and Rehan M. Khan and Moustafa Bensafi and Noam Sobel},
About 30% of the adult human population does not perceive an odour when sniffing the steroid androstenone (5-α-androst-16-en-3-one), but will become sensitive to its smell after repeated exposure to the compound. Here we investigate the origin of the plasticity that governs this acquired ability by repeatedly exposing one nostril of non-detecting subjects to androstenone and then testing the unexposed nostril. We find that the exposed nostril and the naive nostril can both learn to recognize… CONTINUE READING


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