Saved Groups Psychology 3/4 Chapter 6: The psychobiological process of memory

memory

an information processing system that actively receives, organises, stores and recovers information

encoding

converting sensory info into a useable form that can be processed by the brain

storage

retaining info over time

retrieval

accessing info that has previously been stored

role

the function of memory store

capacity

the amount of info held within a memory store

duration

the length of time info is held within a memory store

sensory memory

a memory store that receives and stores and unlimited amount of incoming sensory info for a brief timesensory memory duration

sensory memory duration

0.2-4 seconds

short-term memory (STM)

a memory store with limited capacity and duration (unless info is renewed)

STM duration

12-30 seconds without rehearsal

STM capacity

5-9 items (7 + or - 2)

displacement

adding new single items to STM by pushing out old items

Decay

fading away info in STM when not manipulated by rehearsal

rehearsal

the conscious manipulation of info to keep it in STM for longer or to transfer it to LTM

Long-term memory(LTM)

memory that is relatively permanent and holds huge amounts of info for a long time, possibly lifelong

Semantic

relating to meaning

capacity of LTM

unlimited

Duration of LTM

up to a life time

Explicit memory

info that can be consciously retrieved and stated, e.g. known fwacts

semantic memory

memory of facts or knowledge about the world

episodic memory

memory of personally experienced events

implicit memory

memory not requiring conscious retrieval e.g. 'how to' skills