multistore memory model (atkinson and shiffrin, 1968)

who founded MSM?

shiffrin and atkinson (1968)

describe sensory register

memory store where sensory info is briefly held before decaying/ transferring to STM

sensory register capacity

unlimited

sensory register duration

iconic = 0.2 - 0.4 seconds

echoic = 3 - 4 seconds

describe short term memory

temporary memory store received from sensory register and long term store; mainly encoded acoustically

short term capacity

5 - 9 pieces

short term duration

15 - 30 seconds

long term memory

relatively permanent memory store that sends and receives info from STM; it is encoded sematically

long term capacity

unlimited

long term duration

unlimited

non declarative memory

type of long term memory that does not require conscious recollection

list the two sub categories of non declarative memory

procedural and emotional

procedural memory

unconscious recall of motor skills and habits

emotional memories

***

declarative memories

long term memory for conscious retrieval of factual info

list two sub categories of declarative memories

semantic and episodic

semantic memory

conscious recall of impersonal factual knowledge

episodic memory

conscious recall of personally significant events