Behaviour: All's fair in love and war.

摘要

Mating and aggressive behaviours in rodents have both been linked to the hypothalamus, but precisely which populations of neurons are involved in the encoding of these behaviours has remained unknown. A new paper shows that in male mice, the ventrolateral subdivision of the ventromedial hypothalamus (VMHvl) contains neurons that are active during fighting, and that some of these neurons are inactive or suppressed during mating. This partial mutual exclusivity