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Organizing information. Convert sensory experience into electrochemical energy |
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locating and using information |
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initial coding of sensory stimuli, captures info that brain can interpret |
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visual sensory representation (about .25 seconds) |
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auditory system, generally lasts less than 4 seconds |
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use it to think about/manipulate info (new or retrieved). Everything you are currently or recently paying attention to |
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can store about 7(+-2) pieces of info in short-term memory |
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length of storage for short-term |
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maintained for about 20-30 seconds while active processing takes place |
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repetition, little or no info (shallow, just after initial encoding) |
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repetition plus analysis-associate with other events and further processed |
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shallow: superficial, coded by repetition Deep: effortful, looking for patterns and meaning |
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declarative: conscious memories that you are aware of. Voluntary active memory storage. |
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non-declarative: memories you may not be aware of processing or acquiring |
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Declarative episodic memory |
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memories of personal experiences. These types are durable, fairly easy to recall, subject to distortion |
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Declarative semantic memory |
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memories for ideas, rules, words, general concepts about world. Personal, generalized knowledge, develops earlier than episodic |
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retrieve previously presented info by reproducing it |
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requires you to recognize information and select correct answer from list of choices |
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assesses memory by measuring how long it takes participant to relearn material learned previously. Rapid relearning indicates residual memory |
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more accurate recall of first items in series |
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more accurate recall of items at end of series |
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when item differs from others on list, remember more easily |
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poor recall of info due to interference of previously learned info |
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poor recall of info due to interference of info learned afterwards |
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loss of info because of disuse and passage of time. Unimportant info fades |
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successfulness of retrieval cue depends on how well it matches up with info in the encoded memory. Under what circumstances did you study? |
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inability to remember events anfter the trauma |
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inability to remember events that happened before the trauma |
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