page_title: Amygdala
section_title: Connections
hierarchical_section_title: Amygdala / Function / Connections
caption_attribution_description: English: coronal section of human brain. Amygdala is coloured in purple.
context_page_description: The amygdala is one of two almond-shaped clusters of nuclei located deep and medially within the temporal lobes of the brain in complex vertebrates, including humans. Shown to perform a primary role in the processing of memory, decision-making and emotional responses, the amygdalae are considered part of the limbic system. The term amygdala was first introduced by Karl Friedrich Burdach in 1822.
context_section_description: The amygdala sends projections to the hypothalamus, the dorsomedial thalamus, the thalamic reticular nucleus, the nuclei of the trigeminal nerve and the  facial nerve, the ventral tegmental area, the locus coeruleus, and the laterodorsal tegmental nucleus. The basolateral amygdala projects to the nucleus accumbens, including the medial shell.
  The medial nucleus is involved in the sense of smell and pheromone-processing. It receives input from the olfactory bulb and olfactory cortex.  The lateral amygdalae, which send impulses to the rest of the basolateral complexes and to the centromedial nuclei, receive input from the sensory systems. The centromedial nuclei are the main outputs for the basolateral complexes, and are involved in emotional arousal in rats and cats.
caption: Coronal section of brain through intermediate mass of third ventricle. Amygdala is shown in purple.
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