Circuitry of fear identified

Fear arises in the almond-shaped brain structure known as the amygdala. It is the amygdala which processes the strange noise, shadowy figure or scary face and not only triggers palpitations or nausea but can also cause us to flee or freeze. That muc…

New neuronal circuits which control fear have been identified

Fear is an adaptive response, essential to the survival of many species. This behavioural adaptation may be innate but can also be a consequence of conditioning, during the course of which an animal learns that a particular stimulus precedes an unpl…