A new study shows macaque species with more tolerant social systems have larger brain regions linked to emotions and social signals.

Neurodegenerative disease profoundly affects structures and pathways responsible for memory, cognition, and higher-order ...

Have you ever wondered why you jump when you’re startled? Maybe you wonder why you have a harder time handling stress and anxiety than your friends and family do. Part of the reason might lie in your ...

Hasegawa et al. first used a fluorescence-based sensor to measure dopamine levels in the amygdala of mice as they naturally cycled between wakefulness and non-REM and REM sleep. Dopamine release in ...

A new study found that people who are politically conservative have a slightly larger amygdala than progressives. The results suggest that the relationship between brain anatomy and political ideology ...

Macaque species that live in more tolerant social groups have larger volumes in brain regions tied to social processing, according to a study published in eLife that compared neuroanatomy across ...

In 1995, author Daniel Goleman coined the term “amygdala hijack”–an idea that has subsequently appeared in countless blogs, self-help books, and videos. According to this idea, a part of the brain ...

The amygdala can activate a person’s fight-or-flight response as a reaction to a real or perceived threat of danger. Amygdala hijack describes the perhaps unnecessary triggering of this response and ...