NSC 3361 Exam 3: Learning & Memory correctly answered graded A+

NSC 3361 Exam 3: Learning & Memory Oscar is a 62 year-old man with a history of alcohol abuse was hospitalized with dehydration and malnutrition. What symptoms did neurologic exams reveal? How was his attention and memory? What condition does he have? - correct answer Exams showed nystagmus and dysmetria. Rapid alternating movements were poor bilaterally and gait was mildly ataxic. He was alert, but only to his own self (he did not know the date or name of the hospital he was in). His short-term memory was more intact than long term memory. He had Wernicke-Korsakoff syndrome. Who is Patient H.M.? What ended up happening to him? - correct answer He had surgery to remove his amygdala, hippocampus, and temporal cortex on both sides. He ended up with anterograde amnesia, but still had normal short-term memory. His memory deficit was severe, but it was confined to verbal tasks. Who was Patient N.A.? What part of his brain was damaged? What was his memory like? - correct answer He was a radar tech and got stabbed by fencing foil. The foil went through his right nostril and into his brain, damaging his mediodorsal thalamus and mammilary bodies. He still has short-term memory, but cannot form declarative long-term memory. Who was Patient K.C.? What was his condition when he arrived at the hospital? - correct answer He rode his motorcycle off an exit ramp On arrival to the hospital, he was comatose with dilated fixed pupils. What part of K.C.'s brain was damaged? - correct answer Bilateral damage to his hippocampus How was K.C.'s memory 20 years later? - correct answer K.C. still retained his ability to encode semantic memories, meaning he knew facts. He did however have no episodic memory, so he can't recall any personal anecdotes. A 73 year old woman had a gradually worsening memory and had difficulty finding words. Neurological exams came back normal, but her speech was highly anomic and paraphasic. She knew her name, but