Usahs Neuroscience Exam 4 Questions And Answers

Maintenance of upright posture {Ans: With respect to body position in space}Aphasia {Ans: defect in language processing Acute aphasia gets better quickly}Emboliform nuclei {Ans: laterally in the intermediate hemisphere}ALS: amyotrophic lateral sclerosis/ Lou Gehrig's disease {Ans: · Upper and lower motor neuron lesions · Muscle cramping, atrophy, fasciculation · Onset of 50-60 years · Mean survival is 23-52 months · Sensory and cognition is intact}Septal nuclei {Ans: Involved with pleasure center- responsible for desire to eat reproduce Modulates memory Lesions associated with anorexia, gluttony & can lead to rage}dorsal column-medial lemniscal pathway {Ans: § Receives sensory info on vibration, proprioception, kinesthesia, and fine touch § Sensory and ascending}· Broca's Aphasia: motor production of speech {Ans: o Caused by left MCA superior CVA o Difficulty with language production o Non-fluent aphasia, expressive aphasia, motor aphasia, anterior aphasia}anterolateral spinothalamic {Ans: § Receives sensory info on pain, temp, crude touch § Sensory and ascending}· Inhibitory cerebellar input nuclei {Ans: purkinje fibers}Intermediate hemispere {Ans: Distal motor limb coordination Appendicular ataxia}Gerstmann Syndrome {Ans: Acalculia R/L disorientation Finger agnosia Agraphia}Hippocampal formation- {Ans: memory}Oculomotor {Ans: caudate body Brings info from the parietal and prefrontal