from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An almond-shaped mass of gray matter in the anterior portion of the temporal lobe. Also called amygdaloid nucleus.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The region of the brain, located in the medial temporal lobe, believed to play a key role in the emotions, such as fear and pleasure, in both animals and humans.
from the GNU version of the Collaborative International Dictionary of English
- n. An almond.
- n. One of the tonsils of the pharynx.
- n. One of the rounded prominences of the lower surface of the lateral hemispheres of the cerebellum, each side of the vallecula.
from The Century Dictionary and Cyclopedia
- n. An almond.
- n. A tonsil.
- n. A small rounded lobule of the cerebellum on its under side.
- n. A small mass of gray matter in front of the end of the descending cornu of the lateral ventricle of the brain. Also called the amygdaloid nucleus.
- n. [capitalized] In zoology: A genus of echinoderms. A genus of mollusks.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum; intimately connected with the hypothalamus and the hippocampus and the cingulate gyrus; as part of the limbic system it plays an important role in motivation and emotional behavior
One study found that the amygdala is smaller in subjects with family histories of alcoholism, suggesting that inherited differences in brain structure may affect risk.
* The amygdala is an area of the brain thought to play a role in the emotional aspects of craving, which can lead to addiction.
HAGERTY: Fallon says that's because the orbital cortex puts a brake on another part of the brain called the amygdala, which is involved with aggression and appetites.
A structure next to the hippocampus called the amygdala is known to play a role in stamping this indelible mark.
He's clearly oversimplifying, but Fallon says the orbital cortex puts a brake on another part of the brain called the amygdala, which is involved with aggression and appetites.
Adults with WS show abnormal activity in a brain structure called the amygdala, which is involved in responding to social threats and triggering unconscious negative emotional reactions to other races.
Animal models of autism and Fragile X suggest that part of the problem in these disorders is overactivity in a brain region called the amygdala, which is associated with fear and anxiety, and is normally calmed by GABA.
At a neurological level, fear activates the region of the brain known as the amygdala, which is the seat of fear, dread and anxiety.
It seems, in a way, as though they are trying to prove that these video games are bad — and yet it’s common knowledge that the amygdala is affected when we feel ANY strong emotion.
Whenever your brain detects change, including desirable, positive change, it sends a "danger" signal to the amygdala, which is an almond-shaped piece of your brain situated roughly above your ears.