Question

Write a short note on forebrain.

Answer 1

Hint: The brain is mainly divided into three types, as forebrain, midbrain and hindbrain. In these, the forebrain forms the major part of the brain. It is also known as prosencephalon. This part of the brain controls temperature of the body, eating, sleeping, some of the reproductive functions, and conveying of emotions etc.

Complete answer: or Complete step by step answer:
The forebrain is again divided into cerebrum, Thalamus and hypothalamus.
(1) Cerebrum:
It forms the major part of the brain. And its function is necessary for the survival part of the organism. Cerebrum is separated into two hemispheres and these two hemispheres are joined by means of the nerve fibers called corpus callosum. It is covered by a layer of grey matter which is cerebral cortex.

(2) Thalamus:
This part of the fore brain controls the motor and sensory signaling. It is covered by the cerebrum and it lies between the cerebrum and hypothalamus.
(3) Hypothalamus:
This part of the brain lies at the base of all the other forebrain parts. This controls and regulates the temperature of the body, maintains the hungry to eat and thrust to drink by regulating the urge to drink water and eat food. It combines with the parts of cerebrum to control emotional and sexual behavior.

Note:
Forebrain maintains the memory, intelligence, will power, sensory and motor activities, consciousness etc. mainly the cerebrum which is also called as telencephalon deals with the language processing, thinking, planning etc.