Limbic system - Definition

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The limbic system is the name given to the part of the brain consisting of the corpus callosum, hypothalamus, and hippocampus. These regions play roles in regulating emotions, memory, learning, and the operation of the thoraco-abdominal organs. Often referred to as the emotional brain, the limbic system evaluates emotions produced by situations and sends the appropriate message: the production of hormones such as endorphins and adrenaline, and body reflex mechanisms. The limbic system retains memories and associates them to emotions.