Memory & Sleep Flashcards
Decay theory
Forgetting = memory trace automatically fading
time, short-term memory fades
Chunking
combining smaller bits into large & more meaningful units
Rehearsal
practicing behavior
Recoding
rewriting brain with new info
3 strategies to increase amount of info held in short term memory
Chunking
Rehearsal
Recoding
Sleep wave just before sleep
alpha
subconscious
Hypnic jerk
twitching that occurs in stage 1 sleep
Awake waves
beta
conscious
Stage 1 sleep waves
theta
superconscious
Stage 2 sleep
Sleep spindles
K complexes
Stage 3 & 4 sleep waves
delta
dream state
REM sleep
fast, random
sawtooth waves
Sensory memory
Initial recording, fleeting
a few seconds
Iconic memory
visual sensory memory
1/10 second
Echoic memory
auditory sensory memory
3 seconds
Short-term memory
30 seconds
7 pieces at a time
Working memory
interplay between short-term memory, attention, executive function of brain
visuospatial sketchpad
Long-term memory
potentially infinite
Implicit memory
type of long-term
“non declarative”
skills & conditioned responses
cerebellum
Procedural memory
type of implicit long-term
memory to perform skills
Explicit memory
type of long-term
“declarative”
consciously recall with effort
hippocampus
Episodic memory
type of explicit long-term
experiences
Semantic memory
type of explicit long-term
facts & concepts
Retrograde
memories before event fade
Anterograde
can’t hold memories after event
Visuospatial sketchpad is a subcomponent of which type of memory?
working
Depth of processing
type of attention applied to words during encoding
Spreading activation
when a concept is activated, the activation spreads to related concepts
