Diencephalon

Thalamus - The thalamus rather than the sensory cortex may be the crucial structure for the perception of some types of sensation, and the sensory cortex may function to give finer detail to sensation.

• Subthalamus - is the zone of brain tissue which lies between the tegmentum of the midbrain and the dorsal thalamus. It receives fibers from the globus pallidus.
• Epithalamus - Habenular nuclei, pineal body, posterior comissure

Hipothalamus - Is believed to have diversified activities. Lesions of the hipothalamic region may produces a variety of symptoms, including diabetes insipidus, obesity, sexual dystrophy, somnolence, loss of sexual appetite, and loss of temperature control. A visual defect such as bitemporal hemianopsia frequently is associated due to involvement of the nearby optic chiasm. Optic chiasm, infundibulum, neurohypophysis, tuber cinereum, Mammilary body