The Brain

Anterior Cingulate Cortex

The anterior cingulate cortex (ACC) is the frontal part of the cingulate cortex, which resembles a "collar" surrounding the frontal part of the corpus callosum. It consists of Brodmann areas 24, 32, and 33. It appears to play a role in a wide variety of autonomic functions, such as regulating blood pressure and heart rate, as well as rational cognitive functions, such as reward anticipation, decision-making, empathy, impulse control, and emotion.

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Medial surface of left cerebral hemisphere, with anterior cingulate highlighted.

Medial surface of right hemisphere, with Brodmann's areas numbered.


Sagittal MRI slice with highlighting indicating location of the anterior cingulate cortex.

Anterior cingulate cortex, shown in blue.