Schizophrenia spectrum and other psychotic disorders - symptoms, diagnosis and course

8 important questions on Schizophrenia spectrum and other psychotic disorders - symptoms, diagnosis and course

Which 5 domains of psychotic symptoms are mentioned that define psychotic disorders, duration, number and severity?

  • Positive symptoms:
    • delusions
    • hallucinations
    • disorganized thought/speech
    • disorganized or abnormal motor behavior (catatonia)
  • negative symptoms:
    • restricted emotional expression or affect

What are the differences between self-deceptions and delusions?

  • Self-deceptions are possible situations
  • people with delusions are preoccupied with their beliefs
    • looking for arguments that support their beliefs
  • people with delusions are highly resistant to arguments or compelling facts that contradict their delusions
    • see these as conspiracies

What are some of the most common types of delusions?

  • Persecutory delusions
    • belief you are being watched
  • delusion of reference
    • belief random events are directed at you
  • grandiose delusions
    • belief you are a special being or have special powers
  • delusions of thought insertion
    • belief your thoughts are being controlled by outside forces
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What are the four types of sensory hallucinations mentioned in the book?

  1. Auditory hallucinations
    1. hearing voices, music etc from both inside and outside of the persons head
    2. people may talk back to these voices
  2. visual hallucinations
    1. may be consistent with delusions
  3. tactile hallucinations
    1. something is happening to the outside of the body
  4. somatic hallucinations
    1. something is happening to the inside of the body

How come men with schizophrenia tend to have more language deficits than women with schizophrenia?

In women language is controlled bilateral in the brain, in men it is only controlled in one side of the brain so women can compensate more. Language is also more localized in men than in women.

Which sorts of catatonia are mentioned in the book?

  • Negativism: lack of response to instructions
  • rigid, inappropriate or bizarre posture
  • mutism: lack of verbal or motor responses
  • catatonic excitement: purposeless and excessive motor activity for no apparent reason
  • articulate a number of delusions or hallucinations or be incoherent

Symptoms of schizophrenia and autism spectrum disorders can be quite similar, what distinguishes these two disorders?

The diagnostic criteria for schizophrenia specify that delusions and/or hallucinations must be clearly present

What are some of the reasons mentioned by the book for gender differences in schizophrenic prognosis?

  • Women better prior history
    • onset in late twenties or early thirties instead of late teens
  • women fewer cognitive deficits
  • estrogen levels regulate dopamine in ways that are protective for women
  • men slower brain development pace
  • exposure to toxins and illness

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