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“Imprinting” Certain Smells During Infancy Change Adult Behavior – Technology Networks

Scientists have studied the mechanism of olfactory imprinting during the critical period in mice. They discovered three molecules involved in this process, Semaphorin…



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Imprinting is a popularly known phenomenon, wherein certain animals and birds become fixated on sights and smells they see immediately after being born. In ducklings, this can be the first moving object, usually the mother duck. In migrating fish like salmon and trout, it is the smells they knew as neonates that guides them back to their home river as adults. How does this happen?
Exposure to environmental input during a critical period early in life is important for forming sensory maps and neural…

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