Thalamus

[Sarah]

A mass of nervous matter on either side of the third ventricleof the brain; -- called also optic thalamus.

[Sarah]

the part of your prain that controls your modd and helps you deal with pain

[Tracie Lynn]

one of the two oval-shaped parts of the brain that control feeling and all the senses except for the sense of smell

[Lizzy Liz]

Either of two masses of gray matter lying between the cerebral hemispheres on either side of the third ventricle, relaying sensory information and acting as a center for pain perception.