Working Memory Model Flashcards
Outline working memory model.
-A reformulation of short term memory. It views it as an active functional dynamic multi component processor (can work on something whilst simultaneous holding information)
-Does not attempts to describe the SR or LTM
What is the structure of WMM?
⇙ Central executive ⇘
Phonological Visuo- Spatial SP
loop ⇅
Episodic buffer
⇅
Long term storage
What are the features of central executive?
Controls the other ‘slave’ components and decides which component is required for the task.
• Involved in planning, problem solving and decision making.
• Decides what the Working Memory pays ATTENTION to.
What is the capacity of the central executive?
-Limited to no storage capacity- the central executive cannot attend to too many things at once and has no capacity for storing data
What is coding for central executives?
flexible as each sense is coded differently
What does the phonological loop process?
Processes sound based acoustic information
what are the two subdivisions of the phonological loop?
-primary acoustic store
-Articulatory process
what are the features of the phonological loop?
-Inner Ear
-Holds Info in speech based form in temporal order
-1-2 seconds
What are the features of the primary acoustic store?
-linked to speech perception
-Receives auditory information and remembers sounds in the order they were presented
What are the features of the articulatory process?
-Linked to speech production
-It is used to prepare sounds and speech by using rehearsal
what is the capacity for the phonological loop?
Limited capacity (2 seconds worth of what you can say)
what is the coding for the phonological loop?
Codes of information acoustically
What does the visual spatial sketchpad do?
Processes, visual information
What can the visual spatial sketchpad be subdivided into?
-Visual Cache
-Inner scribe
what is the visual cache do?
Stores material about form and colour
What does the inner scribe do?
-handles spatial relationships (holds information about where an object is)
-Like following a map in our heads
what is the capacity for the visual spatial sketchpad?
Limited capacity (3-4 objects)
what is the coding for the visuo spatial sketchpad?
codes information visually
What else does the articulatory control process do?
-Inner sub vocal rehearsal of speech based info
-Convert written words to verbal
what does the episodic buffer do?
-Pulls together strands of information from the phonological loop and the visuo spatial sketchpad (creates coherent memory)
-provides temporary storage of information
-Controlled by the central executive
-Plays an important role retrieving information from long-term memory
What is the capacity for the episodic buffer?
-temporary storage system
-Limited capacity of about four chunks
what are the differences between multi store model and working memory model?
-Processing an MSM is passive or as processing information in WMM is active (can hold info, whilst simultaneously processing other info
-STM in MSM is one component (unitary) where STM in WMM is a multi component structure (Not unitary)
-Information in MSM passes in fixed order (linear) whereas there is interchange between components and the WMM and no fixed order
-In the MSM coding in STM is acoustic where is in the WMM coding in STM is acoustic and visual
