increased surface area of the cortex
The Convolutions of the Brain help it to not take up a ton of space, if stretched out the brain would 3 yards long
it allow more neuron to occupy the limited space of the cerebral hemisphere.
Speak
The hypothalamus is sometimes called "the brain of the brain". It is the hub for many automatic and homeostatic systems, including the circulatory system, metabolic processes, and sensory inputs.