Cognitive Approach

Question 1

What percentage of the population has experienced hallucinations?

Answer 1

4% without being diagnosed - Claiborn 2009

Question 2

Anthony Morrison (1998)

Answer 2

Triggers like sleep deprivation lead to hearing voices which are misinterpreted, leading to withdrawal and hallucinations.

Question 3

How does this explain negative symptoms?

Answer 3

Aaron Beck et al (2008) schizophrenics endorse beliefs about their abilities and have a pessimistic view of life, leading to negative symptoms - flat effect.

Question 4

Christopher Frith (1979)

Answer 4

Schizophrenics have defective attention filters, becoming too aware of information, making it difficult to interpret information.

Question 5

What is compromised theory of mind?

Answer 5

Difficulties understanding thoughts and intentions, contributing to delusions and hallucinations.

Question 6

3 cognitive systems associated

Answer 6

Willful action - explains negative and disorganised symptoms
Monitoring of actions - explains delusions and hallucinations of control
Monitoring of thoughts and intentions - explains delusions of persecution)