Cognitive Term of Behaviour

Topics: Hippocampus, Memory, Long-term memory Pages: 2 (821 words) Published: January 22, 2012
Examine one interaction between cognition and physiology in terms of behavior. Evaluate two relevant studies. One of the most famous case studies of amnesia in the history is HM who was suffering from epileptic seizures and had a surgery when he was only nine years old that removed 2/3 of his hippocampus, medial temporal lobes, parahippocampal gyrus and amygdala. The operation was successful in its primary goal of controlling his epilespsy but as a result of the operation he suffered from severe anterograde amnesia. After the operation, he could not commit new events to long-term memory. He could remember events from before the operation for the rest of his life. His working memory and procedural memory were intact. After the operation, he could continue to complete tasks that require recall from the short-term memory and that involved procedural memory but could not make use of long-term episodic memory after the operation. After the operation, he lost his declarative memory (semantic and episodic). Because of the removal of these parts of brain, he might face these problems. One that might be he couldn’t encode the information or he could do that but he couldn’t retrieve it or he could do them but could not store them in his memory. Clive Wearing had brain infection -herpes encephalitic- affecting the parts that are concentrated on memory. MRI scanning shows damage to the hippocampus and some of the frontal regions. His ability to perceive what he saw and heard was unimpaired. But he did not seem to be able to retain any impression of anything for more than a few blink. In he did blink, his eyelids parted to reveal a new scene. In Clive’s case, the virus damaged his brain. It damaged the hippocampus, which play a major role in the handling of long-term memory formation. Additionally he sustained marginal damage to the temporal and frontal lobes. The former houses the amygdala, a component implicated in the control of emotions and associated memories....
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