Medial forebrain bundle

Definition

The medial forebrain bundle is a complex network of nerve fibers that connects various parts of the brain involved in controlling emotional responses, motivation, and certain autonomic functions. It acts as a major pathway for communication between the brainstem and the forebrain, particularly influencing the limbic system and areas related to reward processing.

Related terms

Limbic System:

A complex system of nerves and networks in the brain, involved with instinct and mood control, it governs basic emotions (such as fear and pleasure) and drives (such as those for food and sex).

Autonomic Nervous System:

The part of the nervous system responsible for control of bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.

Brainstem:

The central trunk of the mammalian brain, connecting the medulla oblongata to the thalamus; it controls vital functions such as heartbeat and breathing