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Working Memory Model: Strengths, Weaknesses, and Clive Wearing's Story

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sheila

2/11/2023

Psychology

Working Memory Model (WMM)

Working Memory Model: Strengths, Weaknesses, and Clive Wearing's Story

The working memory model (Baddeley and Hitch) is a cognitive framework that explains how short-term memory operates. Key components include:

  • Central executive: The control system managing information flow
  • Phonological loop: Processes auditory and verbal information
  • Visuo-spatial sketchpad: Handles visual and spatial data
  • Episodic buffer: Integrates information from various sources

Key strengths and weaknesses:

  • Supported by case studies like KF, showing selective impairment
  • Brain scan evidence supports dual-task performance
  • Lacks evidence for central executive and episodic buffer
  • Idiographic approach limits generalizability

Highlight: The model's components work together to process and manipulate information in short-term memory, with specific capacities for different types of data.

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2/11/2023

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Psychology

678

Feb 11, 2023

1 page

Working Memory Model: Strengths, Weaknesses, and Clive Wearing's Story

The working memory model (Baddeley and Hitch) is a cognitive framework that explains how short-term memory operates. Key components include:

  • Central executive: The control system managing information flow
  • Phonological loop: Processes auditory and verbal information
  • Visuo-spatial sketchpad:... Show more

A03
Strength Patient KF
> verbal impaired
auditory and iconic memory
unaffected
-
Strength brain scans
→ dual task (baddley thitch)
→no evid

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Working Memory Model: Components and Evaluation

The working memory model, developed by Baddeley and Hitch, is a crucial concept in cognitive psychology that explains how short-term memory functions. This model consists of several interconnected components that work together to process and store information temporarily.

Definition: The working memory model is a cognitive framework that describes how short-term memory operates, including the manipulation and temporary storage of information.

Central Executive

The central executive acts as the 'boss' of the working memory system. It receives information from environmental stimuli and manages the flow of information between other components.

Highlight: The central executive is responsible for coordinating and controlling the other components of working memory.

Phonological Loop

The phonological loop is dedicated to processing auditory and verbal information. It consists of two sub-components:

  1. Phonological store: Holds recently heard information for a brief period.
  2. Articulatory loop: Involves inner voice and vocal repetition to maintain information.

Vocabulary: The phonological loop has a capacity of approximately the number of words that can be said in 2 seconds.

Visuo-spatial Sketchpad

Also known as the scratchpad, this component handles visual and spatial information. It includes:

  1. Visual cache: Processes form and color information.
  2. Inner scribe: Manages the arrangement of objects and spatial information.

Example: The visuo-spatial sketchpad allows us to mentally manipulate images and navigate through space.

Long-term Memory Integration

The model shows a connection between working memory components and long-term memory, indicating that information can be transferred between these systems.

Evaluation of the Working Memory Model

Strengths

  1. Patient KF Case Study: Supports the model by showing selective impairment in verbal processing while auditory and iconic memory remained unaffected.
  2. Brain Scan Evidence: Supports the dual-task performance aspect of the model.

Weaknesses

  1. Lack of Evidence: There is limited evidence for the central executive and episodic buffer components.
  2. Capacity Limitations: The model proposes specific capacity limits for different components, which may not always hold true in real-world scenarios.

Issues and Debates

The use of case studies, such as that of Clive Wearing, raises the idiographic approach in psychology:

Highlight: Case studies allow for in-depth exploration of memory phenomena that would be impossible to study experimentally.

However, this approach has limitations:

Vocabulary: Idiographic research focuses on individual cases, which may not be easily generalized to the broader population.

In conclusion, the working memory model provides a comprehensive framework for understanding short-term memory processes, supported by various research methods and case studies. However, it also faces challenges in terms of evidence for some components and generalizability of findings.

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This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

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Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

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I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

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Brad T

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David K

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The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

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