Tone perception
What is tone perception in schizophrenia?
Low-level sensory functioning may be impaired in people with schizophrenia and may contribute to higher-order cognitive and social impairments. Tone perception involves pitch discrimination, which can be assessed using the tone-matching task. During this task, participants are presented pairs of non-verbal tones that are either identical or differ in frequency by several specified amounts. Participants respond by nominating ‘same’ or ‘different’ and accuracy is scored.
What is the evidence for tone perception?
Moderate to high quality evidence finds a large effect of poorer tone matching ability in people with schizophrenia.
March 2022
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Last updated at: 12:07 pm, 21st March 2022
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Fact Sheet Technical Commentary
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Tone perception
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- Brain pH and lactate
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- Cholesterol
- Dopamine
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- Hormonal changes
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- Infectious agents
- Inflammation and the immune system
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Functional changes
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Co-occurring conditions
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Physical disorders
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- Optical alterations
- Peripheral vascular disease
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- Thyroid disorders
- Underweight
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-
Incidence and prevalence
- General
- Incidence
-
Prevalence
- Prevalence in children
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- Prevalence in homeless populations
- Prevalence in indigenous populations
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- Prevalence in males vs. females
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