MEMORY - Brealjjanneckchs.weebly.com/uploads/4/4/7/7/44777049/memory_ap_psy… · Encoding –...
Transcript of MEMORY - Brealjjanneckchs.weebly.com/uploads/4/4/7/7/44777049/memory_ap_psy… · Encoding –...
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The persistence of learning over time through
storage and retrieval of information
3 step process:
Encoding – processing info into memory system
Storage – retention of encoded info
Retrieval – process of getting info out of storage
Memory is like a computer’s information processing
system.
MEMORY
Encoding Storage Retrieval
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3 basic stages of memories:
Sensory memory – immediate, brief recording of
sensory info
Short term memory (STM)/ working memory –
activated memory that holds a few items briefly
before it is encoded and stored or discarded
Long term memory (LTM) - the relatively permanent
and limitless storehouse
MEMORY
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Atkinson-Shif frin and Baddley Models combined
MODIFIED 3 STAGE MODEL
Sensory
Memory LTM
STM or
Working
Memory
Sensory
Input
Attention
Encoding
Encoding
Retrieval
Forgetting Forgetting Forgetting
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Memory includes (in ABC order) long -term memory, sensory
memory, and working/short -term memory. What’s the correct
order of these three memory stages?
TEST YOURSELF
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O T T F F S S E N T
30 SEC TO REMEMBER THIS IN ORDER…
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Automatic processing– ef fortless, unconscious encoding of
info
Reading signs while driving
Effortful processing – requires attention and conscious
effort
Reading the psych text book for comprehension and understanding
Rehearsal – conscious repetition
Spacing effect – memories are retained through distributed
practice
Why cramming for tests is BAD
Serial positioning effect – remembering the first and last
items in a list
ENCODING
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Write the letters I asked you to memorize a few minutes ago.
OTTFFSSENT
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Visual encoding – encoding of picture images
(ex: visualization of info on page) Imagery – mental pictures
Mnemonic devices – memory aids, especially those techniques that
use vivid imagery and organizational devices (ex: peg-
method/memory palace)
Acoustic encoding – encoding of sounds (ex:
rhymes with, repetition of info out loud)
Semantic encoding – encoding of meaning
(ex: assigning/creating meaning)
ENCODING
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How to improve your memory with memory palace technique?
Summarize the video in one sentence. What’s the biggest ah -ha
moment?
STOP & JOT
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Chunking – organizing items into familiar
manageable units; often occurs automatically
17761861191719412001 How can you chunk this?
How could you have chunked OTTFFSSENT?
ORGANIZING INFO FOR PROCESSING
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Sensory Memory
Iconic memory – a momentary sensory memory of visual info (brief
photographic memory)
You can briefly look a word’s spelling to copy the
word, but cannot recall the spelling minutes later.
Echoic memory – a momentary sensory memory of auditory stimuli,
3-4 seconds
Teacher asks you “what did I just say?” and you can
recall the last few words
STORAGE
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8 volunteers - think of your favorite food.
Now say your favorite food, plus everyone else’s
favorite food before you.
STM/Working memory
7 +/- 2
Importance of chunking
STORAGE
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LTM – Unlimited
Implicit memory – procedures/skills (processed in part in the
cerebellum)
Explicit memory – retention of facts and experiences that you
can consciously declare (primarily processed/stored in
hippocampus)
Semantic memory – general knowledge
Episodic memory – events
Prospective memory – remembering to do something in the future
STORAGE
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Flashbulb memories – clear, vivid memory of an
emotionally significant event
Episodic memory
STORAGE
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Your friend tells you that her father experienced brain damage
in an accident. She wonders if psychology can explain why he
can still play checkers very well but has a hard time holding a
sensible conversation. What can you tell her?
TEST YOURSELF
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Biological look at memory storage.
Long-term potentiation (LTP) – an increase in
a synapse’s firing potential after brief, rapid
stimulation; believed to be a neural basis for
learning and memory As experience strengthens the pathways between neurons, synapses
transmit signals more efficiently
LONG-TERM POTENTIATION
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Getting memories out of storage
Recall – retrieving info not in conscious awareness Short answer questions, fill -in-the-blank questions
Recognition – identifying items previously learned Multiple choice questions
Relearning – learning information a second time, faster than the first time Test corrections
RETRIEVAL
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Déjà vu – the eerie sense that “I’ve experienced this before.”
Cues from the current situation may subconsciously trigger retrieval of an earlier experience.
Context-dependent memories – memories are more easily recalled in the same context as when they were encoded
State-dependent memories - memories are more easily recalled in the same state as when they were encoded
Crash Course – Making Memories
CONTEXT EFFECTS ON MEMORY
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MEMORY:
FORGETTING AND
IMPROVEMENT
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Just as important as remembering avoid clutter
Amnesia – the loss of memory
Biological – head injuries
FORGETTING
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Absent-mindedness
Inattention to details; we cannot remember something we have not
encoded.
THREE SINS OF FORGETTING
A
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Transience – storage decay
Even if we encode, we can still forget it later
Often unused info or info that no longer holds meaning.
THREE SINS OF FORGETTING
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Blocking – inaccessibility of stored info (“it’s on the tip of my tongue…”)
Proactive interference – the disruptive effect of prior learning on the recall of new info.
Retroactive interference – the disruptive effect of new learning on the recall of old info.
Motivated forgetting
Repression – in psychoanalytic theory, the basic defense mechanism that banishes from consciousness anxiety -arousing thoughts, feelings, and memories.
Most psychologists today would agree that repressed memories do not exist.
THREE SINS OF FORGETTING
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Source amnesia – attributing to the wrong source an event we have experienced, hear about, read about, or imagined.
Misinformation effect – incorporating misleading
info into one’s memory of an event.
Loftus’ study on recollections of car accidents using leading questions.
Bias – belief-colored recollections Memories are perceptions of the past and as such are subject to
expectations and bias.
THREE SINS OF DISTORTION
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Eye witness recall is subject to false memory reconstruction.
Misinformation effect
Presupposing and leading questions
Children are more suggestible than adults can be lead to produce false memories through suggestive questions.
Young children can recall events as they occurred if…
neutral adult asks non-leading questions
uses words they understand.
EYE WITNESS RECALL
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Study repeatedly to boost long term recall.
Make material personally meaningful.
Use mnemonic devices.
Minimize interference.
Test your own knowledge, both to rehearse the info
and determine what you do not know yet.
IMPROVING MEMORY
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Biological Psychological Social-cultural
•LTP
•Automatic
processing
•Electric
current or head
injury
•Storage decay
•Rehearsal
•Context effects
•Priming
•Mood
•Stress
•Encoding and
organizing strategies
•Retrieval interference
•Memory construction
•Misinformation
effect
•Flashbulb
memories for
important events
•Level of implied
importance
•Source amnesia
MEMORY AS BIOPSYCHOSOCIAL
(PG. 390)
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60 Minutes – Endless Memory (Pt. 1)
Zimbardo – Remembering and Forgetting
Brain Games – Remember This!
Crash Course – Remembering and Forgetting
VIDEOS