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Memory
AP Psychology
Memory
Can you
remember your
first memory? Why
do you think you
can remember
certain events in
your life over
others?
Memory
Memory as Information Processing
similar to a computer
write to file
save to disk
read from disk
Encoding
processing of info into the memory
system
Acoustic, Visual, & Semantic Encoding
Storage
retention of encoded information over
time
Retrieval
process of getting info out of memory
Encoding
Types of Memory
Episodic
– specific
events in your life
Semantic – generalized
knowledge of the world
that does not involve a
specific event
Procedural (skill
memory) – knowledge
of how to perform a
physical task
Explicit v. Implicit Memory
Explicit
Memory – used
to deliberately
remember something
Implicit Memory –
unintentional influence
of prior experiences
Storing New Memories
Sensory Memory
initial recording of sensory info in
memory system
holds info for a fraction of a second
Working Memory
focuses more on processing of briefly
stored information
allows us to mentally work with, or
manipulate, information being held
in our memory
Try This: How many windows are on the front
of your house or apartment building? What
did you do to remember this?
Storing New Memories
Short-Term Memory (STM)
holds a few items briefly
disappears in 20-30
seconds w/o further
processing
Immediate memory
span = 7 +/- 2
Long-Term Memory (LTM)
relatively permanent
and limitless storehouse
Storing New Memories
Chunking
organizing into familiar, manageable units
like horizontal organization--1776149218121941
often occurs automatically
use of acronyms
HOMES--Huron, Ontario, Michigan, Erie, Superior
ARITHMETIC--A Rat In Tom’s House Might Eat Tom’s Ice
Cream
Retrieval: Getting
Information Out
Recall
retrieve
information
learned
earlier
as on a fill-inthe blank test
Recognition
identify items
previously
learned
Retrieval Cues
déjà vu -- cues from current situation may
subconsciously trigger retrieval of an earlier similar
experience
Mood-congruent Memory
emotions, or moods serve as retrieval cues
State-dependent Memory
what is learned in one state (while one is sober, drunk,
depressed, excited, etc.) can more easily be
remembered when in same state
Retrieval Cues
After learning to
move a mobile by
kicking, infants had
their learning
reactivated most
strongly when
retested in the same
rather than a
different context
(Butler & RoveeCollier, 1989).
Forgetting
Forgetting = encoding failure
Information never enters the long-term memory
Attention
External
events
Short- Encoding
Sensory
term
memory Encoding
memory
Encoding
failure leads
to forgetting
Longterm
memory
Forgetting
Forgetting as encoding
failure
Which penny is the real
thing?
Retrieval
Forgetting can result from failure to retrieve
information from long-term memory
Attention
External
events
Sensory
memory
Encoding
Encoding
Short-term
Long-term
memory
Retrieval memory
Retrieval failure
leads to forgetting
Forgetting- Interference
Motivated Forgetting
unknowingly revise
memories
Repression
defense mechanism
banishes anxietyarousing thoughts,
feelings, and memories
from conciousness
Memory Construction
We filter information and fill in
missing pieces
Misinformation Effect
incorporating misleading
information into one's memory of
an event
Source Amnesia
attributing to the wrong source an
event that we experienced, heard
about, read about, or imagined
(misattribution)
Memory
Construction
Depiction of actual accident
Eyewitnesses
reconstruct
memories when
questioned
Leading question:
“About how fast were the cars
going when they smashed into
each other?”
Memory
construction
Improve Your Memory
Study repeatedly to boost
recall
Spend more time rehearsing
or actively thinking about the
material
Make material personally
meaningful
Use mnemonic devices
associate with peg words-something already stored
make up story
chunk--acronyms
Improve Your Memory
Activate retrieval cues--mentally recreate
situation and mood
Recall events while they are fresh-- before
you encounter misinformation
Minimize interference
Test your own knowledge
rehearse
determine what you do not yet
know