What are the principal functional differences between the right and left cerebral hemispheres?

Robert, a brilliant computer analyst, suffered a blow to his anterior skull from a falling rock while mountain climbing. Shortly thereafter, it was obvious to his coworkers that his behavior had undergone a dramatic change. Although previously a smart dresser, he was now unkempt. One morning, he was observed defecating into the wastebasket. Which region of Robert's brain was affected by the cranial blow?

a. What is the advantage of having a cerebrum that is highly convoluted?b. What term is used to indicate its grooves? Its outward folds?c. Which groove divides the cerebrum into two hemispheres?d. What divides the parietal from the frontal lobe? The parietal from the temporal lobe?

A number of brain structures are listed below. If an area is primarily gray matter, write a in the answer blank; if mostly white matter, respond with b.________(1) cerebral cortex________(2) corpus callosum and corona radiata________(3) red nucleus________(4) medial and lateral nuclear groups________(5) medial lemniscus________(6) cranial nerve nuclei________(7) spinothalamic tract________ (8) fornix________ (9) cingulate and precentral gyri

The primary motor cortex, Broca's area, and the premotor cortex are located in which lobe?a. frontal,b. parietal,c. temporal,d. occipital.

The two cerebral hemispheres are functionally different, even though anatomically they appear the same. (a) true, (b) false.

What kinds of problems are associated with the presence of lesions in the Wernicke's area and the Broca's area?

A patient has suffered a cerebral hemorrhage that has caused dysfunction of the precentral gyrus of his right cerebral cortex. As a result,a. he cannot voluntarily move his left arm or leg,b. he feels no sensation on the left side of his body,c. he feels no sensation on his right side.

Clarence, an elderly man with a history of TIAs, complained to his daughter that he had a severe headache. Shortly thereafter, he lapsed into a coma. At the hospital, he was diagnosed as having a brain hemorrhage. Which part of the brain was damaged by the hemorrhage?