Testosterone and cortisol modulate the effects of empathy on aggression in children

Researchers at the UPV/EHU-University of the Basque Country have explored the psychobiological mechanisms that may exist behind aggressive behaviour in children. The study, which included 139 eight-year-old children, has concluded that low levels of testosterone and high levels of empathy may explain the low levels of aggressive behaviour in girls; low levels of empathy and high levels of cortisol may […]

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Sex and aggression in mice controlled by cold-sensor in brain

Testosterone is blamed for sex drive and aggression, but it also appears to be critical for telling the brain “enough!” when it comes to those behaviors. A molecule called TRPM8 (pronounced trip-M-8) embedded in the surface of some cells seems to be responsible for sending these cues in response to testosterone. Without these cues, male mice become dangerously aggressive and […]

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