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Multi-Store Model vs. Working Memory Model

By Lauren Wolters

on 18 December 2014

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Transcript of Multi-Store Model vs. Working Memory Model

Models of Memory
Multi-Store Model
Working Memory Model

Multi-store model: Atkinson and Shiffrin (1968)
Working Memory: Baddeley and Hitch (1974)
Strengths and Limitations
Strengths: It was the first working model, which prompted further research and development, it is still widely supported and used and have been many studies that show that the STM and LTM stores exist as separate memory stores

Limitations: assumes stores are singular, it's too simplistic, and people don't usually actively rehearse information to commit it to memory
Working Memory Model
Challenged the idea proposed by the multi-store model, that the STM store is a single store
Strengths and Limitations:
Multi-Store Model
Short-Term Memory
Information from the world enters the sensory memory (modality specific: related to different senses- hearing vision) and is then a small part of the information will go to short-term memory store and the if the information is not 'rehearsed' it will be lost
Long-Term Memory
Believed to have an indefinite capacity and that information in this 'store' is not an exact replica of the events or facts but is more of an outline. They believe we distort our memories when they are being stored and that we try to fill in the gaps
1. Memory consists of many different 'stores'
2. Memory processes are sequential
The central executive:
- automatic level is controlled by stimuli from the environment
- supervisory attentional level deals with emergencies, develops new strategies
episodic buffer:
passive display store of information until it is needed (doesn't process)
phonological loop: -
articulatory control system holds information in verbal form (can hold words ready before you speak)
- phonological store holds speech-based material in phonological form
visuospatial sketch pad
: deals with visual or spatial information
Working Memory Model
Determines how deeply people process information and how well it is stored in their memory
Strengths: more advanced model than the MSM and is more satisfactory when it comes to explaining storage and processing than the STM in the MSM, there are studies that support these ideas, and can explain multi-tasking

Limitations: psychologists don't fully understand the central executive and it is still too simple
Multi-Store Model
1. Sensory Memory- Storage system that holds unprocessed information and filters out useless information
2. Short-Term Memory- limited capacity memory store that holds information for a brief time
3. Long-Term Memory- holds a vast quantity of information
3 Memory Stores:
external stimuli -> sensory memory -> 'selective attention' -> STM -> 'rehersal' -> LTM
Working Memory Model
Central executive -> phonological loop or episodic buffer or visuospatial sketch pad -> LTM
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