10- Schizophrenia Flashcards

1
Q

What type of disorder is schizophrenia?

A

A very serious mental disorder

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2
Q

Can schizophrenia be treated and can people with it live normal and productive lives?

A

Yes

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3
Q

What is the lifetime prevalence of schizophrenia?

A

0.5%

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4
Q

Do symptoms of schizophrenia emerge earlier in females or males?

A

Males

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5
Q

What did people used to think that schizophrenia was pretty much the same as?

A

Dementia

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6
Q

Who was the first person the coin the term schizophrenia?

A

Bluer

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7
Q

Is schizophrenia the same as split personality disorder?

A

No

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8
Q

What are positive symptoms?

A

Showing things that healthy people don’t have

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9
Q

3 examples of positive symptoms

A

Delusions, hallucinations, disorganised speech

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10
Q

What are negative symptoms?

A

Lacking things that healthy people have

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11
Q

4 examples of negative symptoms

A

Flattened affect, reduced speech, lack of initiative, neglect of personal hygiene

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12
Q

4 things that schizophrenia has historically been associated with

A

Insanity, violence, stigma, discrimination

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13
Q

How can ‘the schizophrenia label’ affect patients?

A

Negatively

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14
Q

What is the public image of schizophrenia dominated by?

A

Stereotypes

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15
Q

What can the term ‘schizophrenic’ be incorrectly used to indicate?

A

Any incoherent behaviour

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16
Q

For a schizophrenia diagnosis, someone must have 2+ out of 5 of these symptoms…

A
  • Delusion
  • Hallucination
  • Disorganised speech
  • Disorganised or catatonic behaviour
  • Negative symptoms
17
Q

How long must someone be experiencing symptoms of schizophrenia for a diagnosis?

18
Q

What is used to diagnose schizophrenia?

19
Q

What is involved in a schizophrenia relapse?

A

Positive and negative symptoms seem to worsen and improve in cycles

20
Q

What are psychotic episodes?

A

Periods of intense physical symptoms

21
Q

3 cognitive symptoms someone may have impaired for a schizophrenia diagnosis

A

Attention, working memory, executive function

22
Q

2 problems with the schizophrenia diagnosis criteria

A
  • Only provides generic information
  • Many patients have symptoms that don’t fit into the categories
23
Q

What further research needs to be done for schizophrenia diagnoses?

A

Schizophrenia subtypes

24
Q

What do psychiatrists need to account for when diagnosing schizophrenia?

A

Different factors

25
4 main causes of schizophrenia
- Genetic factors - Neurodevelopmental factors - Brain abnormalities - Neurotransmitters
26
Does a single gene cause schizophrenia?
No
27
3 studies that show genetic causes of schizophrenia
Twin, adoption, family
28
What is the heritability rate of schizophrenia like?
High
29
What gene could be linked to schizophrenia?
D2 gene
30
What factors are important when determining neurodevelopmental factors?
Prenatal factors
31
What makes someone more vulnerable to schizophrenia?
A genetic pre-execution
32
3 brain abnormalities associated with schizophrenia
- Larger than average ventricles - Reduced brain volumes - Less brain connectivity
33
What is the problem with studying cause-and-effect with brain abnormalities in schizophrenia?
It is unknown whether brain differences exist before diagnosis, or whether they are due to medication
34
What does the dopamine hypothesis state?
Excess dopamine activity causes schizophrenia
35
How do drug treatments for schizophrenia work?
Agonists block D2 receptors