Aphasia - psycholinguistics and models

Question 1

What are serial stage models?

Answer 1

suggests that sequential events need to happen for lang processing

Question 2

Give examples of serial stage models

Answer 2

• Wernicke-Lichtheim (1885)
• Patterson and Shewell (1987
• TRACE connectionist model (McClelland and Elman, 1986)

Question 3

Describe serial stage models

Answer 3

• boxes store info
• arrows represent flow of info from one store to another
• serial organisation
• relates to temporal organisaiton

Question 4

What are information processing models?

Answer 4

• data flow diagrams
• describe internal organisation of a system
• track flow of info
• flexible -can be adapted as understanding develops
• conceptual, not physical

Question 5

What are the assumptions of processing models?

Answer 5

• modularity (boxes are domain specific)
• info encapsulation
• domain specific
• mandatory, involuntary operation

Question 6

What are the assumptions of cognitive neuropsychology?

Answer 6

• subtractivity (when damaged, brain works minus damaged bit)
• transparency

Question 7

Describe the Patterson and Shewell model (1987)

Answer 7

• referred to in clinical practise
• model of single word processing so cannot answer everything
• forms basis of some key assessments
  can be broken down into 4 quadrants