Broca’s area in frontal lobe of dominant hemisphere is involved in language production .
Promotors cortex ,also in frontal lobe , projects directly to spinal cord and therefore plays role in direct behavior with a direct emphasis on trunk muscles of the body.
Association area of sensory cortex is essential for mental functions that are more complex.
Wernicke’s area ,located in temporal lobe of dominant hemisphere is responsible for development and comprehension of speech.