pubmed
Fear conditioning biases olfactory sensory neuron frequencies across generations.
Liff CW; Ayman YR; Jaeger ECB; Cardeiro A; Lee HS; Kim A; Vina-Abarracin A; Ferguson DKD; Marlin BJ
Researchers found that when mice were trained to be scared of certain smells, their bodies made more of the cells that detect odors. These changes were also seen in their children, even if the children were never taught to be scared. This study shows how fear can change smell detection in both parents and offspring.
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