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ShareThe amygdala (Latin, corpus amygdaloideum) is an almond-shape set of neurons located deep in the brain's medial temporal lobe.
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Shown to play a key role in the processsing of emotions, the amygdala forms part of the limbic system.
In humans and other animals, this subcortical brain structure is linked to both fear responses and pleasure.
Its size is positively correlated with aggressive behavior across species.
In humans, it is the most sexually-dimorphic brain structure, and shrinks by more than 30% in males upon castration.
Conditions such as anxiety, autism, depression, post-traumatic stress disorder, and phobias are suspected of being linked to abnormal functioning of the amygdala, owing to damage, developmental problems, or neurotransmitter imbalance.
For more information about the topic Amygdala, read the full article at Wikipedia.org, or see the following related articles:
Limbic system — The limbic system is the collective name for structures in the human brain involved in emotion, motivation, and emotional association with memory. It ... > read more
Hypothalamus — In mammals, the hypothalamus is a region of the brain located below the thalamus, forming the major portion of the ventral region of the diencephalon ... > read more
Temporal lobe — The temporal lobes are part of the cerebrum. They lie at the sides of the brain, beneath the lateral or Sylvian fissure. Seen in profile, the human ... > read more
Occipital lobe — The occipital lobe is the visual processing center of the mammalian brain. The primary visual cortex is Brodmann area 17, located in the interior ... > read more
Central nervous system — The central nervous system (CNS) represents the largest part of the nervous system, including the brain and the spinal cord. Together with the ... > read more
Thalamus — The thalamus is a part of the brain. The two thalami are located in the center of the brain, one beneath each cerebral hemisphere and next to the ... > read more
Visual cortex — Visual cortex is the term applied to both the primary visual cortex and upstream visual cortical areas also known as extrastriate cortical areas. The ... > read more
Anterior pituitary — The anterior pituitary (also called the adenohypophysis) comprises the anterior lobe of the pituitary gland and is part of the endocrine system. ... > read moreEditor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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