memory phdr. eva tomešová, phd. 26 th october 2007
TRANSCRIPT
MEMORY
PhDr. Eva Tomešová, PhD.
26th October 2007
Learning and memory
Learning: the process of aquiring new info or skills
Memory: the retention of what you have learned as well as its retrieval for future reference to use
Types of memory
sensory memory short term memory long term memory
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Sensory memory
the momentary lingering of sensory information after a stimulus has been removed
capacity is large (about 20 items) sensory storage system used to start the process of identifying
stimuli, of giving meaning to them
eidetic images
Short term or working memory
contents of our conscious awareness 20 s, limited amount of info selective attention
cocktail party phenomenon encoding
effortful automatic
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KFJWN ULSIUE
BLUE YELLOW
GREEN ORANGE
Short term, active storage
rehearsal 7 (+;-2) chunking information
1 4 9 1 6 2 5 3 6 4 9 6 4 8 1 1 0 0 1 2 1 1 4 4 1 4 9 16 25 36 49 64 81 100 121 144 12 22
Long-term memory
can store things indefinitely without active effort
procedural memory semantic memory episodic memory
Long term storage
memories are not stored in one location – pattern of activation across a large group of neurons
rehearsal!!!
shallow processing - maintenance rehearsal
deep processing - elaborative rehearsal
Retrieval from long term memory
recognition
recall retrieval cues tip-of-the-tongue phenomenon fixation on wrong answer
Long-term memory performance
mnemonic devices Method of loci Peg word method
use of visual imagery reconstructing context and mood
General strategies
learn and comprehend rather than practice in rote fashion
match context at learning with context of retrieval
few seconds of deliberate encoding help emotional arousal use of retrieval cues frequent short learning is better than long
learning trial store your memories in more than one way
Long-term memory distortions
schemas, expectations, inferences
Memory assessment
Digit-span tests of short-term memory
memory subtest of Amthauer’s Intelligence Structure Test
Rey-Osterrieth’s komplex figure level of perception activity, visuo-motor
control and attention, visual memory