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Published byLesley Clark Modified over 9 years ago
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Memory The stories we tell...
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Cognitive Perspective Language Intelligence Thinking and Reasoning Memory
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Types of Memories Explicit/Declarative –semantic: facts, knowledge –episodic: autobiographical events Implicit –procedural: the ‘how tos’
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Memory: The persistence of learning over time. Encoding Storage Retrieval
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Memory Construction Recall is not an exact replica of original events Recall is a construction built and rebuilt from various sources We often fit memories into existing beliefs Schemas provide a framework for new information
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Word List BED CLOCK DREAM NIGHT TURN MATTRESS SNOOZE NOD TIRED NIGHT BLANKET ARTICHOKE INSOMNIA REST TOSS NIGHT ALARM NAP SNORE PILLOW
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Enhancing Remembering Serial Position Effect: –primacy –recency Repetition Distinctiveness Organization Mnemonics
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Enhancing Remembering Mass vs. Spaced Practice Automatic vs. Effortful Processing
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Automatic Processing A BC D EF
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Encoding Specificity Context dependence: Scuba Diver study
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Encoding Specificity State dependence –arousal level, altered states of consciousness Mood congruence –effects of depression on memory and perception
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Flashbulb Memories ‘Video-like’ memory, vivid and detailed Usually highly emotional, shocking Example: September 11 How accurate are they?
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Flashbulb Memories Neisser and Harsch (1992) Challenger disaster 1 day later vs. 3 years later
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Eyewitness Testimony Eyewitness testimony is influential in court Eyewitness confidence is related to juror conviction How accurate is eyewitness’ memory for an event?
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Leading Questions Loftus and Palmer (1974) Subjects shown video of an accident between two cars How fast were the cars going when they hit each other?
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Results ‘hit’ = 34.0 mph ‘contacted’ = 31.8 mph ‘bumped’ = 38.1 mph ‘collided’ = 39.3 mph ‘smashed’ = 40.8 mph
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The Misinformation Effect Witness event Receive incorrect post-event information Asked to recall event, recall incorrect information
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The Misinformation Effect Loftus, Miller and Burns (1978) Slideshow depicting car accident Car stopped at stop sign Asked “What was the color of the car stopped at the yield sign?”
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The Misinformation Effect Forced-Choice Recognition Test: Which slide did you see?
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Other Eyewitness Factors Race Identification Witness Expectations/Perceptions Duration of Event Emotional Arousal Transference –mug shots and lineups
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