Memory Keywords Flashcards
Coding
format in which information is stored in the memory stores
Capacity
amount of information that can be held in a memory store
Duration
length of time information can be held in memory
Short term memory
- limited capacity (7+/-2)
- coding is acoustic
- duration is between 18-30 secs
Long term memory
- permanent store
- coding is semantic
- duration potentially a lifetime
Procedural memory
LTM - knowledge of how to do things, memory of learned skills (recall without conscious effort)
Semantic memory
LTM - knowledge of the world, facts of the world (recalled deliberately)
Episodic memory
LTM - memory of events occurred and of people, places and behaviours (recall needs conscious effort)
Elaborative rehearsal
MSM - needed for long term storage, when linking info to existing knowledge
Maintenance rehearsal
MSM - when we repeat material over to ourselves, sufficient amount of rehearsal leads to memory passed onto LTM
Working memory model
STM has different sub-units coordinated by central decision making system
Central executive
coordinates activities of slave systems, allocates job roles to sub-systems
Phonological loop
processes auditory information (phonological store/articulatory process)
Visuo-spatial sketchpad
processes visual information in a mental space (inner eye) - visual cashe/inner scribe
Episodic buffer
brings together material from other sub-systems into a single memory rather than separately - bridge between working memory and LTM
Eyewitness testimony
ability to remember details of events such as crime which have been observed - accuracy of EWT can be affected by misleading info, leading questions and anxiety
Encoding specificity principle (Tulving)
cues need to be present at encoding and retrieval, if cues are different this leads to forgetting
Cue
trigger of information which allows access to a memory
Retrieval failure
occurs when necessary cues are absent, memory is available but not accessible unless suitable cue is provided
Retroactive interference
forgetting occurs when newer memories disrupt recall of older memories
Misleading information
incorrect info given to the eyewitness usually in post event discussion
Multi-store model
- sensory register
- STM
- LTM
Sensory register
- coding is iconic
- capacity is huge
- duration <30secs
Interference
forgetting because one memory blocks another, causing memories to be distorted or forgotten
Proactive interference
when older memories disrupt recall of newer memories