====== Limbic system ======

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The limbic system (or paleomammalian brain) is a complex set of [[brain]] structures that lies on both sides of the [[thalamus]], right under the cerebrum.

It is not a separate system, but a collection of structures from the [[telencephalon]], [[diencephalon]], and [[mesencephalon]].

===== Parts =====
It includes the [[olfactory bulb]]s, [[hippocampus]], [[amygdala]], [[anterior thalamic nucleus]], [[fornix]], columns of fornix, [[mammillary body]], [[septum pellucidum]], [[habenular commissure]], [[cingulate gyrus]], [[Parahippocampal gyrus]], limbic cortex, and limbic midbrain areas.

===== Functions =====

The limbic system supports a variety of functions, including [[emotion]], [[behavior]], [[motivation]], long-term [[memory]], and [[olfaction]].

It appears to be primarily responsible for emotional life, and it has a great deal to do with the formation of memories.

Some neuroscientists, including Joseph LeDoux, have suggested that the concept of a functionally unified limbic system should be abandoned as obsolete because it is grounded mainly in historical concepts of brain anatomy that are no longer accepted as accurate.

===== Limbic surgery =====

see [[Limbic surgery]].