Motivation

Hypothalamus

This part of brain is known to be a critical importance in the system of eating, drinking, sleeping, sexual and emotional behavior. The general location of this part is between midbrain and diencephalon and is physically at the base of cerebellum, lying above the optic chiasm and is adjacent to the pituitary gland.
It is consisted on 3 major Zones carried 14 major nuclei. The zones are anterior hypothalamus, the lateral hypothalamus and the ventro medial hypothalamus. The nuclei are interconnected in a very complex form and controlled different aspects of body e.g gustatory and somatosensory, olfactory, sensory system and lower portion or regions and the most anterior of the body.

Hypocampus

The part of limbic system the covered sea horse shaped brain structure of mostly gray matter. It runs from the dorsal part to the Corpus Callusum. It has primary function in the mediation of olfactory and visceral process. As a part of limbic system it is also considered a major region of motivation. The lesion in this region may become the disability of motivation.
Amygadala and Almond shaped neural structure comprises the part of the temporal lobe. It is involved in the regulation of Homeostasis which means the process in which the body's substances and characteristics such as temprature, glucose level and maintain required level.