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Chapter 6 - Chapter 6 4:19:00 PM Korsakoff's syndrome a...

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Chapter 6 17/03/2008 15:19:00 Korsakoff’s syndrome: a condition caused by a prolonged deficiency of vitamin  B1, usually as a result of chronic alcoholism. Destruction of areas in the frontal and  temporal lobes causes severe impairments in memory.  One way to describe LTM is as an “archive” of information about past events in  our lives and knowledge we have learned. Serial position curve- memory is better for words at the beginning of the list than  at the end of the list. Primacy effect- superior memory for stimuli presented at the beginning of a  sequence. A possible explanation is that participants had time to rehearse  these words and transfer them to LTM. To increase, present the list more  slowly, so there is more time for rehearsal. Recency effect- Better memory for words at the end of the serial position  curve. It occurs because words are still in STM. To decrease, test after  waiting 30 seconds after end of list, so information is lost from STM.  Although some semantic coding does occur in STM, semantic coding is the  predominate type of coding in LTM.  Types of Long Term Memory: Declarative memory- our conscious recollections of events we have  experienced or facts we have learned.  o Episodic memory- memory for our personal events in our lives. Ex:  remembering visiting your grandpa’s house age 10. (Experience) Mental time travel- reconnecting with events from past. Self 
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