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psychch7 - o less forgetting with distributed(spaced...

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CHAPTER 7 [continued] FORGETTING Ebbinghaus: used nonsense syllables method of savings "forgetting curve" - shows the amount remembered (measured by relearning) after varying lengths f time. *Forgetting curves for meaningful info also show early losses followed by a long gradual decline, but overall, forgetting occurs much more slowly* savings can be long lasting Theories of Forgetting decay – too brief to become permanent failure to encode – never pay attention in beginning; material never even got to storage brain damage e.g. Korsakov's syndrome interference - depends on similarity of new and old tasks o proactive interference: previous learning interferes with new learning o retroactive interference: new learning interferes with previous learning
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Unformatted text preview: o less forgetting with distributed (spaced) learning than with massed learning Freud's concept of repression (motivated forgetting) Neuropsychology A variety of brain structures, neurotransmitters and activities are involved in memory. Memories are both localized and distributed throughout the brain. • environmental stimulation can -> new synapses • functional changes at synapses e.g. sensitivity • neurotransmitters, e.g. glutamate, acetylcholine • hippocampus is an important structure in memory consolidation • Amnesia • anterograde (person can't form new memories) • retrograde (person can't retrieve old memories)...
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