memory q1 persistence of learning over time through the storage and retrieval of information
TRANSCRIPT
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Memory Q1
• Persistence of learning over time through the storage and retrieval of information
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Types of memory Q2
• Sensory - immediate, initial recording of sensory information
• Working / short-term- processing briefly stored information
• Long-term memory - relatively permanent and limitless storage
• Q3 Flashbulb memory - clear memory of emotionally significant event
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Memory processes Q4
• Encoding
• Storage
• Retrieval
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Encoding
• Encoding - processing information for storage• Q5 Automatic - unconscious encoding of
incidental information– Space - the definition of memory was on the first slide– Time - I lost my phone - I had it in psych class and in
math class– Frequency - that’s the third time I’ve seen her today– sdrawkcab daer ot nrael nac uoY
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Effortful encoding
• Q6 Requires attention and conscious effort
• Q7 Rehearsal - conscious repetition
• Spacing - distributed practice better than massed practice
• Serial position effect - we remember best the first and last words on a long list
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Processing
• Effortful vs automatic
• Deep vs shallow processing
• Focused vs divided attention
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What we encode Q8
• Semantic encoding - meaning, esp words
• Acoustic encoding - sounds, word sounds, echoic
• Visual encoding - iconic, mental images
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Memory aids – encoding Q9
• Imagery - adding an image to a semantic memory helps
• Mnemonics - generally memory aids
• Chunking - phone numbers
• Acronyms - HOMES
• Hierarchies - both visual and semantic
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Storage
• Short-term / working
• Long term
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Short term memory
• Limited in duration and capacity
• Magic number seven (Miller)
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Storage: Long-Term Memory Subsystems Q10
Types oflong-termmemories
Explicit(declarative)
With consciousrecall
Implicit(procedural)
Without conscious recall
Facts-generalknowledge(“semanticmemory”)
Personally experienced
events(“episodic memory”)
Skills-motorand cognitive
Dispositions-classical and
operant conditioning
effects
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How does storage work?
• Hippocampus is involved in processing memories for long term storage; cerebellum involved in procedural memory
• Strong emotions - some stress hormones boost learning and retention
• Q11 Synaptic changes - long term potentiation - after brief stimulation neurons have higher firing potential - practice improves learning?
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Retrieval Q12
• Recognition - identify previously learned item - mc test
• Recall - retrieve info learned - fill-in-blank test
• Relearning - we learn something faster the 2nd time
• Priming - associations activated – one strand in the neural network can lead to others
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Retrieval cues Q13
• Context - beach / sea experiment• Déjà vu - cues from current situation may
trigger association with previous experience - priming
• Mood congruence - ability to recall experiences that are consistent with current mood - happy, depressed
• State-dependent - similar to mood, may include drunk, sober, etc
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Memory errors Q14
• Forgetting
• Encoding failure
• Storage failure - decay
• Retrieval failure
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Forgetting Q15
• Absent mindedness - inattention to detail causes encoding errors
• Transience - decay over time of unused information
• Blocking - tip of the tongue phenomenon - information in stored but momentarily inaccessible
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Distortion Q16
• Misattribution - confusing the source of information
• Suggestibility - effects of misinformation
• Bias - someone you disliked is now a friend. How do you remember initial meeting?
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Intrusion Q17
• Unwanted memories we can’t get rid of
• Remember Freud’s repression?
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Encoding errors
• Memory is very selective - we choose to encode very few sensory memories
• Inattention to information - effortful processing will fail
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Storage errors
• Physical damage to brain
• Decay from age
• Decay from lack of use - memory for foreign language vocabulary
• Q18 Ebbinghaus’s curve of forgetting
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Retrieval errors Q19
• Proactive interference
• Retroactive interference
• Motivated forgetting - we may revise memories of unpleasant events
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Reconstructing memories Q20
• We fill in the blanks of incomplete memories
• We may fill in misinformation• We may attribute information to wrong
source • Eyewitnesses reconstruct memories,
especially in response to questions• Recovered memories?
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How to improve your memory
• Study repeatedly for shorter periods
• Rehearse, actively process
• Make info personally meaningful - “now I know why Grandpa forgets things”
• Use mnemonics - make up a story, a song
• Minimize interference
• Practice recall when information is fresh