PSB Exam 3 Study Guide 2023 with Verified Answers

PSB Exam 3 Study Guide 2023 with Verified Answers How many distinct layers are observed in the human cortex? - CORRECT ANSWER 6 layers The _______ lobe is the most anterior portion of the cerebral cortex. - CORRECT ANSWER frontal lobe The _______ is the main source of communication between the left and the right hemispheres. - CORRECT ANSWER corpus callosum Almost all incoming sensory information passes through the _______, which sends the information on to the overlying cortex. - CORRECT ANSWER thalamus thalamus - CORRECT ANSWER -brain's traffic cop -directs virtually all incoming sensory information to the appropriate regions of the cortex for further processing, and receiving instructions back from the cortex about which sensory information is to be transmitted Neurons in layer ______ of the cerebral cortex typically receive input from the thalamus. - CORRECT ANSWER Layer IV four Layer I-III - CORRECT ANSWER intracortical association Layer V - CORRECT ANSWER subcortical outputs, except for the thalamus Layer VI - CORRECT ANSWER -output to thalamus -output to LGN What is in the metencephalon and involved in motor coordination and balance? - CORRECT ANSWER the cerebellum Where is the occipital lobe located? - CORRECT ANSWER back of brain Why does white matter appear white? - CORRECT ANSWER gets its appearance from the whiteish fatty myelin that insulates the axons of many neurons The basal ganglia plays a crucial role in - CORRECT ANSWER control of movement General term for grooves on the brain - CORRECT ANSWER sulcus