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Amygdala

noun

Definitions

Noun
  1. 1
    Each one of the two regions of the brain, located as a pair in the medial temporal lobe, believed to play a key role in processing emotions, such as fear and pleasure, in both animals and humans.

    "There is experimental evidence showing that cortisol restrains the intensity and duration of the emergency reaction to stress, and catecholamines have been shown to enhance emotional memory in the amygdala (see subsection on "Noradrenaline"). Thus, individuals lacking cortisol would overstore traumatic memories ."

  2. 2
    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 wordnet

Etymology

Etymology tree Ancient Greek ἀμυγδάλη (amugdálē)bor. ▲ Arabic لَوْز (lawz)sl. Medieval Latin amygdalalbor. English amygdala Learned borrowing from Latin amygdala (“almond, amygdala”), from Ancient Greek ἀμυγδάλη (amugdálē, “almond”), named as such due to its shape. Doublet of almond, amygdale, and mandorla.

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