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Evaluation of the Working Memory Model. Evidence from Brain-Damaged Patients. Shallice & Warrington (1970) Case Study of KF KF had a bike accident LTM normal functioning. STM damaged. Evidence from Brain-Damaged Patients.
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Evidence from Brain-Damaged Patients Shallice & Warrington (1970) Case Study of KF • KF had a bike accident • LTM normal functioning • STM damaged
Evidence from Brain-Damaged Patients • KF’SSTM forgetting was worse for auditory information (sound) than for visual information. • He experienced difficulty in letters (ABC) and digits (123) • This indicates KF’s brain damage was restricted to the phonological loop
Evidence from Brain Damaged Patients Trojano & Grossi (1995) Case Study of SC • Had good learning abilities with the exception of being unable to learn word pairs that were presented out loud • Suggests damage to phonological loop
Evidence from Brain Damaged Patients Farah et al (1998) Case Study of LH • Road accident caused brain damage • Performed better on spatial tasks than visual imagery tasks • Suggests separate visual and spatial systems
The WMM emphasises process more than the MSM and presents a more detailed understanding of STM
Produces testable predictions which is important for the scientific process
The working memory model is restricted to STM and has nothing to say about LTM
Plenty of research support for different stores and dual-task performance
Evidence from brain-damaged patients may not be reliable because it concerns unique cases often involving traumatic experiences – cannot make comparisons as it is not sure whether changes in behaviour are caused by the damage
Central executive is vaguely defined and doesn’t really explain anything and it also may consist of separate components – what is it and is it needed?
Sternberg (2006) – the working memory model is probably the most widely accepted and used model today
Exam Question Outline the key features of the working memory model (6 marks) What are the key words in the question? ?
Exam Question Outline the key features of the Working Memory Model (6 marks) • Describe = AO1 Knowledge and Understanding • Identify the key components of the model • Briefly describe each components function
Exam Question Outline the key features of the Working Memory Model (6 marks) • 6 marks = 6/7 minutes • 6 marks = 10-12 lines
Exam Question • Outline the key features of the Working Memory Model (6 marks)