A damage to the medulla oblongata is usually fatal and can also lead to death because it controls vital autonomic functions in the body which includes breathing and heart rate.
The Broca's area is associated with language production and damage to this area can lead to inability to express language (Broca’s aphasia).
A blow to the back of the head might affect the occipital lobe that is associated with visual co-ordinations. Thus damage to this area might not affect the gustatory cortex as this is found in the region of the frontal lobe and not the occipital lobe.
The primary motor cerebral cortex on the left side of the brain controls movement of the right side of the body, and vice-versa, the right motor cortex controls movement of the left side of the body.
