Which term refers to the convoluted outer layer of the cerebrum

A)  projection area 
B)  corpus callosum 
C)  outer hemisphere 
D)  cerebral cortex

Cerebral Cortex

The outer layer of the brain's cerebrum, involved in high-level functions such as sensory perception, cognition, generation of motor commands, and language.

Convoluted Outer Layer

Referring typically to the cerebral cortex of the brain, noted for its deeply wrinkled surface, increasing the surface area for neural connections.

Corpus Callosum

A large band of neural fibers connecting the left and right cerebral hemispheres, facilitating inter-hemispheric communication.