Explain Baddeley’s model of working memory? How is this model different from the three box model’s original conceptualization of short term memory?

Baddeley’s Model of Working Memory

Baddeley’s model of working memory is an updated version of the three-box model proposed by Atkinson and Shiffrin in 1968. This new model was developed to address shortcomings in the original model, such as its inability to explain how multiple sources of information are simultaneously maintained and processed. The primary components of Baddeley’s model are the central executive system (CES), phonological loop (PL), visuospatial sketchpad (VSSP), and episodic buffer (EB) (Baddeley & Hitch, 1974).

The Central Executive System is responsible for controlling cognitive processes, integrating information from other component systems, and monitoring performance. It has limited capacity and can only focus on one task at a time; however it can shift attentional resources to different tasks when necessary.

The Phonological Loop serves as a temporary storage unit for verbal or auditory information; it consists of two subcomponents: a rehearsal component which rehearses incoming information through verbal repetition, and a phonological store which stores incoming speech-based material for a brief period of time until it is either discarded or consolidated into long-term memory.

The Visuospatial Sketchpad stores visual/spatial information; it allows us to manipulate images in our minds by mentally rotating them or manipulating them in some other way without actually moving them around physically. It also helps us remember locations on maps or areas within large spaces like malls or airports.

Lastly, the Episodic Buffer functions similarly to the CES but operates at longer term levels; rather than controlling cognitive processes this component integrates various pieces of information stored across all components into meaningful episodes that can be recalled with more detail than if they were stored separately.

Compared to short term memory, Baddeley’s working memory model expands upon its three box predecessor by providing an explanation for how multiple sources of information are maintained simultaneously while also allowing for integration between these different sources when needed

How is Baddeley’s working memory model different from The Three Box Model’s Original Conceptualization of Short Term Memory

Baddeley’s model of working memory is an updated version of the three-box model proposed by Atkinson and Shiffrin in 1968. This new model was developed to address shortcomings in the original model, such as its inability to explain how multiple sources of information are simultaneously maintained and processed. The primary components of Baddeley’s model are the central executive system (CES), phonological loop (PL), visuospatial sketchpad (VSSP), and episodic buffer (EB).

The three-box model’s original conceptualization of short term memory consisted only of a sensory register, which stored incoming information for a very brief period before it decayed or was transferred into long-term memory; then a short-term store that held information up to 30 seconds; finally, there was also a secondary processing unit which actually consolidated information from the two other stores into meaningful chunks or phrases. In contrast, Baddeley’s working memory includes four distinct components which allow for more complex operations than what were possible with the earlier three box framework:

•The Central Executive System serves as an attentional control center responsible for controlling cognitive processes and monitoring performance. It has limited capacity however can shift attentional resources when needed.

• The Phonological Loop stores verbal/auditory information temporarily via rehearsal mechanisms; this helps us remember sequences we have heard before like phone numbers or addresses.

• The Visuospatial Sketchpad helps us remember visual/spatial data like maps or locations within large spaces. It also allows us to mentally rotate images without moving them physically.

• Finally,the Episodic Buffer integrates various pieces of info across all components into meaningful episodes that can be recalled with more detail than if they were stored separately.

In conclusion then – whereas three box models prior just had one storehouse where shortest lived stimuli entered decay afterwards ultimately getting forgotten – Badddeley\’s workingmemoryframework rather expands onthis concept by permitting integration between different sources especially those encoded through senses whose contents may vary depending upon circumstances brought into play here so enabling users recall much more detailed overall accounts given circumstances prevailing at any given point time .

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