The is the brain structure most involved in perceiving interoception or sensations within the body.

The question is incomplete, options are not given and here are the options gotten from another website.

a. Thalamus.

b. orbitofrontal cortex

c. insula

d. fornix

The correct option is C.

Insula.

Explanation:

It is insula because insula is a part of the cerebral cortex that is found within the lateral sulcus that separates the parietal and frontal lobes from temporal lobes. It plays a major role in control emotions like lusts, desires, cravings, pride e.t.c. it connect sensory signals from the environment, it play a major role in psychiatric disorders like , mood,post-traumatic stress and panic.