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Schizophrenia

Symptoms of schizophrenia and issues in diagnosis

  • 4 things to know
  • Paper 3

Overview

Positive and negative symptoms, what reliability and validity mean in psychiatric diagnosis, and the issues that threaten both.

What you need to know

Answer each one before you reveal it.

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Key term

What are positive symptoms of schizophrenia?

Key term

What are negative symptoms of schizophrenia?

Key term

What do reliability and validity mean in psychiatric diagnosis?

Evaluation

Which four issues threaten the reliability and validity of a schizophrenia diagnosis?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What are positive symptoms of schizophrenia?

    Model answer

    Experiences or behaviours that are added to normal functioning, representing an excess or distortion of typical experiences.

  2. 2

    Define hallucinations in the context of schizophrenia.

    Model answer

    Sensory experiences that occur in the absence of external stimuli, most commonly auditory (hearing voices) in schizophrenia.

  3. 3

    What is the most common type of hallucination experienced in schizophrenia?

    Model answer

    Auditory hallucinations, such as hearing voices.

  4. 4

    What are delusions?

    Model answer

    Firmly held false beliefs that persist despite contradictory evidence.

  5. 5

    Give two examples of types of delusions seen in schizophrenia.

    Model answer

    Paranoid delusions (belief that others intend harm) and delusions of grandeur (belief in having special powers or importance).

  6. 6

    What are negative symptoms of schizophrenia?

    Model answer

    The reduction or absence of normal functions and behaviours.

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