Computerized text and voice analysis - a single case study of seven chronically schizophrenic patients in art therapy

Computerized automated text and voice analysis to detect therapeutic change in art therapy - a single case analysis on seven patients with chronic schizophrenia

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN12365070

Enrollment

Registered

2022-01-12

Start date

2016-02-12

Completion date

Unknown

Last updated

2024-02-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Paranoid schizophrenia (F 20.0), Schizophrenic residual (F20.5) Mental and Behavioural Disorders

Interventions

This is an explorative monocentric art therapy study in the form of a quantitative single-case study (n-of-one-trial without baseline) in seven patients with chronic schizophrenia. The interventions c

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Minimum age of 18 years 2. Paranoid schizophrenia (F20.0) with chronic course of at least ten years or/and 3. Schizophrenic residual (F20.5) 4. Stable medication of psychotic symptoms for at least three months 5. A preference for artistic therapies (art therapy) 6. The presence of written informed consent

Exclusion criteria

Exclusion criteria: 1. Primary addictive disorder 2. Acute accessory symptoms 3. Suicidality 4. Intelligence impairment 5. Brain organic disorder 6. Autistic disorder 7. Personality disorder 8. Visual impairment 9. Language barrier 10. Hemiparesis including speech disorder 11. Moving out soon 12. Participation in another creative therapy (in group or/and individual therapy)

Design outcomes

Primary

Measure	Time frame
The verbal (linguistic) and paraverbal (affective) portions of the communication behavior will be preserved in the digital audio documents of the interviews on a weekly basis and at up to 19 measurement time points over the study period of 25 weeks. They are extracted and analyzed using the text analysis software LIWC2015 (Linguistic Inquiry and Word Count 2015) and the voice analysis software VocEmoApI (Vocal Emotion Recognition by Appraisal Inference).	—

Measure

Time frame

The verbal (linguistic) and paraverbal (affective) portions of the communication behavior will be preserved in the digital audio documents of the interviews on a weekly basis and at up to 19 measurement time points over the study period of 25 weeks. They are extracted and analyzed using the text analysis software LIWC2015 (Linguistic Inquiry and Word Count 2015) and the voice analysis software VocEmoApI (Vocal Emotion Recognition by Appraisal Inference).

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Secondary

Measure	Time frame
There are no secondary outcome measures	—

Countries

Germany

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026