New research is demonstrating what many people already knew from experience: Women lose interest in sex over time, while men don't.
The _____ region of the brain forms the floor and part of the walls of the third ventricle. hypothalamus Which structures are involved with emotional feelings and memories.
Very deep inside the brain, surrounded by the cerebral hemispheres is where we find the diencephalon. This structure surrounds the third ventricle and is primarily made of brain nuclei (gray matter). It is composed of three paired structures: Thalamus â 2 egg-shaped structures, you can only see one side in the pic below. Hypothalamus â oddly shaped, below the thalamus, in the dark blue.