The amygdalae ( /əˈmɪɡdəliː/; singular: amygdala; also corpus amygdaloideum; Latin, from Greek ἀμυγδαλή, amygdalē, 'almond', 'tonsil', listed in the Gray's Anatomy textbook as the nucleus amygdalæ) are almond-shaped groups of nuclei located deep within the medial temporal lobes of the brain in complex vertebrates, including humans. Shown in research to perform a primary role in the processing of memory and emotional reactions, the amygdalae are considered part of the limbic system.
Read more about Amygdala: Anatomical Subdivisions, Emotional Learning, Memory Modulation, Neuropsychological Correlates of Amygdala Activity