cingulate gyrus
- Noun:
- A long curved structure on the medial surface of the cerebral hemispheres; the cortical part of the limbic system: The cingulate gyrus is a prominent fold of brain tissue located on the inner surface of each cerebral hemisphere. It forms a major component of the limbic system, which is involved in emotion formation and processing, learning, and memory.
- Noun:
- The cingulate gyrus is often studied in relation to its role in regulating emotional responses.
- Activity in the anterior cingulate gyrus is associated with decision-making and error detection.
- Damage to the cingulate gyrus can affect autonomic functions like heart rate and blood pressure.
"Anterior cingulate gyrus (ACC)": The front part of the cingulate gyrus, heavily implicated in cognitive functions such as reward anticipation, decision-making, empathy, and impulse control.
- The anterior cingulate gyrus is activated when a person experiences social pain or rejection.
"Posterior cingulate gyrus (PCC)": The rear part of the cingulate gyrus, more associated with memory and visual/spatial orientation.
- The posterior cingulate gyrus shows decreased activity in the early stages of Alzheimer's disease.
Cingulate cortex: A broader term that includes the cingulate gyrus and the cortical tissue within the sulcus (groove) beneath it.
- The cingulate cortex is a key region for integrating attention and emotional salience.
Subcallosal area: A region located below the rostrum of the corpus callosum, sometimes considered part of the cingulate region.
- Limbic gyrus: A less common synonym emphasizing its role in the limbic system.
- Callosal gyrus: A historical term referencing its location around the corpus callosum.
Cingulate sulcus: The prominent groove in the brain located just above the cingulate gyrus.
- The cingulate gyrus is bounded superiorly by the cingulate sulcus.
Default mode network (DMN): A brain network in which the posterior cingulate gyrus is a central hub, active when the mind is at rest and not focused on the outside world.
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a long curved structure on the medial surface of the cerebral hemispheres; the cortical part of the limbic system
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