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Mapping the neural circuit of innate responses to odors

  1. 18.1.2019

    The innate capacity to discern between an appetizing and a foul – i.e. dangerous – odor is essential, from the start, to guide behavior for survival. Until now, little was known about how these innate olfactory responses are hard-wired in the brain. A team of neuroscientists at the Champalimaud Centre for the Unknown has performed one of the first studies into the central neural circuits that underlie these innate responses.

    We don’t know why CO2 is such an aversive odor [for fruit flies],“but one reason could be that stressed flies release CO2.Maria Luísa Vasconcelos

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