amygdala

noun
amyg·​da·​la | \ ə-ˈmig-də-lə How to pronounce amygdala (audio) \
plural amygdalae\ ə-​ˈmig-​də-​ˌlē How to pronounce amygdala (audio) , -​ˌlī \

Definition of amygdala

: the one of the four basal ganglia in each cerebral hemisphere that is part of the limbic system and consists of an almond-shaped mass of gray matter in the anterior extremity of the temporal lobe

called also amygdaloid nucleus

Examples of amygdala in a Sentence

Recent Examples on the Web Here is the emotion-processing amygdala, with its telltale bumps. Amina Khan Staff Writer, Los Angeles Times, 5 Nov. 2021 One study found that naming negative emotions calmed down the amygdala, the part of the brain where feelings light up. Time, 28 Oct. 2021 The amygdala, on the other hand, is involved with processing and responding to threats — an ancient, subconscious behavioral and physiological mechanism. Quanta Magazine, 24 Aug. 2021 Joseph LeDoux is a neuroscientist at NYU known for his pioneering work on the amygdala, which is often referred to as the fear center of the brain. Quanta Magazine, 24 Aug. 2021 Anxiety can affect performance by triggering what’s known as an amygdala hijack. Amit Katwala, Wired, 29 July 2021 The amygdala is responsible for generating the fight, flight, freeze or fix it response. Roberta Moore, Forbes, 11 May 2021 Another limitation is that the stress system is complicated, and relies on other brain areas and systems outside the amygdala that weren't studied here. Jackie Rocheleau, Forbes, 6 Apr. 2021 Neurotransmitters like norepinephrine, adrenaline, and dopamine filter into the amygdala, stimulating the brain to tell the heart and lungs to beat and breathe faster. Erika Hayasaki, Wired, 23 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amygdala.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of amygdala

1845, in the meaning defined above

History and Etymology for amygdala

New Latin, from Latin, almond, from Greek amygdalē

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Time Traveler for amygdala

Time Traveler

The first known use of amygdala was in 1845

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Dictionary Entries Near amygdala

amygdal-

amygdala

Amygdalaceae

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Statistics for amygdala

Last Updated

10 Nov 2021

Cite this Entry

“Amygdala.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amygdala. Accessed 29 Nov. 2021.

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More Definitions for amygdala

amygdala

noun
amyg·​da·​la | \ ə-ˈmig-də-lə How to pronounce amygdala (audio) \
plural amygdalae\ -​ˌlē How to pronounce amygdala (audio) , -​ˌlī How to pronounce amygdala (audio) \

Medical Definition of amygdala

: the one of the four basal ganglia in each cerebral hemisphere that is part of the limbic system and consists of an almond-shaped mass of gray matter in the roof of the lateral ventricle

called also amygdaloid body, amygdaloid nucleus

More from Merriam-Webster on amygdala

Nglish: Translation of amygdala for Spanish Speakers

Britannica English: Translation of amygdala for Arabic Speakers

Britannica.com: Encyclopedia article about amygdala

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