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Amygdala.....

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Amygdala..... Empty Amygdala.....

Post  counselor Mon Oct 15, 2012 11:11 am

Amygdala

Ovoid structure belonging to the limbic system, located above the brain stem. Has a characteristic almond shape (in Latin amygdala means almond) and is formed by neurons that use the neurotransmitter norepinephrine in prevalence. It is the center of integration of higher neurological processes such as emotions and is involved in emotional memory systems, systems comparison stimuli received with prior experience in sexual behavior and the development of olfactory experiences. It has a very important role in fear conditioning. In fact, when the lateral nucleus detects a threatening stimulus, the core gives rise to the expression of defensive behaviors (such as freezing) and other bodily responses associated with fear response (changes in blood pressure, heart rate, etc..). The a. answer, therefore, anxious to stimuli before the neocortex.
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