LEC. 16 -Neuroanatomy Lab II - Brain & Brainstem Exam Questions with Correct Answers

The human brain is composed of what three major parts? - ANSWER-1. cerebrum- cerebral hemispheres 2. brain stem 3. cerebellum What structure provides connections between the cerebral hemispheres and the rest of the nervous system? - ANSWER-fiber bundles called the corpus callosum gray matter of the cerebrum - ANSWER-cerebral cortex, contains neuron cell bodies gyri - ANSWER-ridges on the gray matter of the cerebrum sulcus - ANSWER-grooves or deep cracks in the gray matter of the cerebrum white matter of the cerebrum - ANSWER-contains unmyelinated axons Lobes of the cerebrum - ANSWER-1. frontal labe 2. parietal lobe 3. occipital lobe 4. temporal lobe 5. insula frontal lobe function - ANSWER-motor function, damage to this causes paralysis parietal lobe function - ANSWER-sensory function - general sense temporal lobe function - ANSWER-auditory function occipital lobe function - ANSWER-visual function insula function - ANSWER-this is deep to the lateral fissure- we do not yet know this function but it is thought to integrate nervous activity lateral fissure - ANSWER-separates the parietal and frontal lobe from the temporal lobe, deep in this fissure lies the insula 5th lobe of cerebrum What are Brodmann's areas? - ANSWER-specific areas of the cerebral cortex which are responsible for certain functions and activities