PSB 4240-640 Questions

PSB 4240-640 Questions The lateral parietal lobe is demarcated ventrally by the _____. - CORRECT ANSWER Sylvian Fissure The MOST posterior Brodmann area in the parietal lobe is area _____. - CORRECT ANSWER 39 The supramarginal gyrus and angular gyrus make up the: - CORRECT ANSWER inferior parietal lobe. The parietal reach region (PRR) is involved in: - CORRECT ANSWER visual guidance of grasping motions. In von Economo's mapping system, area PE MOST closely corresponds to Brodmann area(s) _____. - CORRECT ANSWER 5 and 7 Which of the following does NOT appear to receive significant cortical input from the parietal lobe? - CORRECT ANSWER the occipital lobe There is a close functional relationship between the parietal cortex and the _____, which probably has an important role in the control of spatially guided behavior. - CORRECT ANSWER prefrontal cortex One characteristic common to MOST posterior parietal neurons in the monkey brain is that they are responsive to _____. - CORRECT ANSWER movements of the animal's eyes or arms toward a stimulus The ability to voluntarily direct one's gaze to select environmental stimuli depends on connections between the _____ and the _____. - CORRECT ANSWER frontal eye fields; posterior parietal cortex Damage to the posterior parietal cortex would MOST interfere with: - CORRECT ANSWER reaching toward a briefly presented visual target. Polysensory neurons in a monkey's posterior parietal cortex have been shown to increase their firing rate when:: - CORRECT ANSWER the animal attends to a target object or moves toward it. Sensory feedback that indicates the actual outcome of intended movements is known as the _____ copy. - CORRECT ANSWER efference The study by Andersen and colleagues found that neuronal activity in the monkey PRR could predict: - CORRECT ANSWER an intended move to a spatial target. Activity within the human medial parietal region is important for: - CORRECT ANSWER spatial navigation ability The ability to perform complex mental transformations such as object rotation, at least in males, varies with the: - CORRECT ANSWER organization of white matter in the posterior parietal cortex. The ability to do arithmetic, mentally rotate and manipulate an object, and accurately reach for a moving object all depend on representation of: - CORRECT ANSWER "mental space" in the posterior parietal cortex. Cortical regions immediately posterior to the central sulcus are largely involved in: - CORRECT ANSWER processing somatosensory information. A person suffering from anosognosia: - CORRECT ANSWER may deny even obvious signs of illness.