amygdala

noun
amyg·​da·​la | \ ə-ˈmig-də-lə How to pronounce amygdala (audio) \
plural amygdalae\ ə-​ˈmig-​də-​ˌlē How to pronounce amygdalae (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 My psychiatrist scribbles all over the page, showing how my amygdala has overtaken my propensity for rational thought, even when no threat is present. Yasmin Lajoie, refinery29.com, "“Tomorrow I’ll Be Someone Else”: Living With Borderline Personality Disorder," 3 Sep. 2020 Your amygdala — your lizard brain — takes over on social media. Jacob Calvin Meyer, baltimoresun.com, "Howard County Board of Education candidate announces support for his opponent in race for District 3 seat," 9 Sep. 2020 Prenatal stress is thought to influence the early growth of the amygdala, both in humans and rodents, and its size may influence whether someone develops depression, anxiety, or aggression. Stav Dimitropoulos, National Geographic, "Will pandemic ‘coronababies’ live with long-term trauma?," 3 Sep. 2020 But not everyone with an overactive amygdala necessarily has BPD. Yasmin Lajoie, refinery29.com, "“Tomorrow I’ll Be Someone Else”: Living With Borderline Personality Disorder," 3 Sep. 2020 In behavioral studies, the team found that this excitation was in full swing in the posterior amygdala neurons projecting into the MPN during mating. Emily Willingham, Scientific American, "Neural Switch Flips on Aggression in Male Mice," 3 Aug. 2020 To say that my serotonin levels are doing fab and that my amygdala is firing on all cylinders. Claire Fitzsimmons, Longreads, "Eating To Save My Mind," 10 Aug. 2020 This will help calm your amygdala and could give you a quick boost of feel-good endorphins, says Pittman. Jenny Mccoy, Glamour, "If You’re Waking Up With Anxiety, You’re Not Alone," 3 June 2020 Scientists believe exercise increases blood circulation to the brain, especially areas like the amygdala and hippocampus — which both have roles in controlling motivation, mood and response to stress. Sandee Lamotte, CNN, "5 natural ways to boost your mental health during stressful times," 2 June 2020

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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Statistics for amygdala

Last Updated

4 Oct 2020

Cite this Entry

“Amygdala.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amygdala. Accessed 27 Oct. 2020.

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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 amygdalae (audio) , -​ˌlī How to pronounce amygdalae (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

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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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