Sz Flashcards

1
Q

How does the DSM-II define Sz?

A

At least 2 or more positive symptoms for over a month

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2
Q

Wilks study with what, showed what?

A

RBANS showed high test-retest reliability

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3
Q

Whose study showed the unreliability of diagnosis of Sz?

A

Rosenhan

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4
Q

What did Copeland find?

A

Gave 134 US and 194 British psychiatrists a description of a patient. 69% of US diagnosed Sz whereas 2% UK.

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5
Q

Who estimated 50% comorbid depression in Sz patients?

A

Buckley. He also said 47% had comorbid substance abuse.

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6
Q

Klosterklotter assessed 489 entries to German psychiatric hospitals and found what?

A

Positive symptoms are more useful for diagnosis that negative ones.

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7
Q

Who found rates of Sz in African-Caribbeans was 8 times higher than white populations?

A

Harrison, suggesting misdiagnosis is a factor.

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8
Q

What was the first biological therapy for Sz?

A

ECT

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9
Q

Who’s study showed that ECT had lower recovery rates than those without ECT

A

Karagulla

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10
Q

What is an example of a conventional antipsychotic

A

Clozapine

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11
Q

How does an antipsychotic like Clozapine work?

A

They are considered dopamine antagonists, they bind to dopamine receptors, blocking their action

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12
Q

In terms of Dopamine what is Sz?

A

Too much dopamine

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13
Q

Name a side effect of traditional antipsychotics

A

Tardive dyskinesia

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14
Q

What did Davis do?

A

Found a higher relapse rate in those with a placebo.

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15
Q

How did Ross and Road criticise placebo studies?

A

Not accurate as the proportion of relapses are explained by withdrawal symptoms.

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16
Q

What do atypical drugs block?

A

Seratonin receptors

17
Q

Who said that in a study of two atypical antipsychotics, one was just ‘slightly worse’ than the other?

A

Leucht

18
Q

What does CBT aim todo?

A

Trace the origin of symptoms, and evaluate content of delusions

19
Q

What does CBT enable patients to do?

A

Develop their own beliefs to replace the maladaptive ones.

20
Q

Who found that there was a lower drop out rate when patients were receiving both Bio and Psy treatments?

A

Kuipers

21
Q

Who found the opposite of each other in reference to psychodynamic therapy?

A

May and VandenBos

22
Q

PORT considers what harmful?

A

Psychodynamic therapies for Sz

23
Q

What are the two biological explanations for Sz?

A

Genetic factors and the dopamine hypothesis

24
Q

What are the two psychological explanations of Sz

A

Psychological factors and socio-cultural factors

25
Q

Joseph stdy shows what about twins?

A

A 40% concordance rate for MZ and 7% for DZ

26
Q

Who’s study showed 6.7% of adoptees showing Sz if their biological mother has it

A

Tienari

27
Q

What is the dopamine hypothesis

A

Neutrons that transmit dopamine fire too easily or often, causing Sz

28
Q

L-dopa is a drug treating Parkinson’s, which is a lack of dopamine. What can it do?

A

Show Sz symptoms.

29
Q

What is the psychodynamic explanation of Sz?

A

Ego trying to establish control

30
Q

What is expressed emotion?

A

Family communication that involves hostility and emotional over involvement

31
Q

What is labelling theory?

A

Symptoms of Sz seen as deviant, so diagnosis can lead to self fulfilling prophecies

32
Q

Berger investigated what?

A

Double bind: found that Sz recalled more double bind statements from parents

33
Q

Expressed emotion has led to what?

A

More effective family therapies

34
Q

What was released in the 1980s to remove inter-eater reliability problems about the diagnosis of Sz?

A

DSM-II