Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Either of two small, almond-shaped masses of gray matter that are part of the limbic system and are located in the temporal lobes of the cerebral hemispheres.

from The Century Dictionary.

  • noun An almond.
  • noun A tonsil.
  • noun A small rounded lobule of the cerebellum on its under side.
  • noun 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.
  • noun [capitalized] In zoology: A genus of echinoderms. A genus of mollusks.

from the GNU version of the Collaborative International Dictionary of English.

  • noun An almond.
  • noun One of the tonsils of the pharynx.
  • noun One of the rounded prominences of the lower surface of the lateral hemispheres of the cerebellum, each side of the vallecula.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy 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 WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun 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

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin, almond, from Greek amugdalē.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Because of its shape, from Latin amygdala ("almond"), from Ancient Greek ἀμυγδάλη (amugdalē, "almond").

Examples

  • * The amygdala is an area of the brain thought to play a role in the emotional aspects of craving, which can lead to addiction.

    Gladwell: cultural norms affect drinking! | Dr Vino's wine blog

  • 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.

    Gladwell: cultural norms affect drinking! | Dr Vino's wine blog

  • 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 Neuroscientist Uncovers A Dark Secret

  • 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.

    TIME.com: Top Stories

  • 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.

    Analysis

  • A structure next to the hippocampus called the amygdala is known to play a role in stamping this indelible mark.

    New Scientist - Online News

  • A structure next to the hippocampus called the amygdala is known to play a role in stamping this indelible mark.

    New Scientist - Online News

  • 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.

    TIME.com: Top Stories

  • 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.

    NPR Topics: News

  • 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.

    dailyindia.com News Feed

Comments

New comments are temporarily disabled while we update our database.

  • Ah. I know this one. The monotonal Naboo queen from Star Wars. Right?

    October 13, 2007

  • But before that....

    October 13, 2007

  • I have a cingulate gyrus controlling my emotional behaviour. That explains everything.

    July 12, 2008

  • Surely the words amygdala and amygdule are related even though they are worlds apart in meaning. The almond shape may be the clue.

    August 27, 2012