Neuroanatomy – CNS Exam Questions with Complete Solutions

Forebrain - ANSWER-The largest and most complicated region of the brain, including the thalamus, hypothalamus, limbic system, and cerebrum. Cerebrum - ANSWER-divided into L. and R. hemispheres joined by the white matter corpus callosum, which relays information between hemispheres. Outer portion is gray matter and inner is white matter. Cerebral Cortex - ANSWER-outer region of the cerebrum made up of billions of neurons and glia interhemispheric fissure - ANSWER-separates the two cerebral hemispheres Sylvian fissure - ANSWER-Also called lateral fissure. Anterior portion separates the temporal and frontal lobes, Posterior portion separates the temporal and parietal lobes Central sulcus - ANSWER-Also called sulcus of Rolando. Separates frontal and parietal lobes laterally Parieto-occipital sulcus - ANSWER-separates the parietal and occipital lobes medially Calcarine sulcus - ANSWER-separates the occipital lobe into superior and inferior halves Left Hemisphere Specializations - ANSWER--language -sequence and perform movements -understand language -produce written and spoken language -analytical -controlled -logical -rational -mathematical calculations -express positive emotions such as love and happiness -process verbally coded information in an organized, logical, and sequential manner Right Hemisphere Specializations - ANSWER--nonverbal processing -process information in a holistic manner -artistic abilities -general concept comprehension -hand-eye coordination -spatial relationships