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Sensory gating and trait anxiety in people with psychotic symptoms.

Sensory gating and trait anxiety in people with psychotic symptoms. - Sensory gating and trait anxiety in people with psychotic symptoms.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
NL-OMON
Registry ID
NL-OMON36333
Enrollment
120
Registered
2012-02-01
Start date
2010-03-01
Completion date
Unknown
Last updated
2024-05-06

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

Conditions

mental disorder with hallucinations and delusions psychotic disorder

Interventions

None listed

Sponsors

Academisch Medisch Centrum
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: a. Persons who have had no previous psychotic episode for more than one week and spontaneous remission. In addition, each person falls into one or more of the following groups: 1. Familial risk plus reduced functioning: leading to a reduction of 30 percent or more on the Global Assessment of Functioning (GAF) Scale. 2. Attenuated psychotic symptoms: Presence of at least one of the ultra high risk symptoms as assessed with the Structured Interview for Prodromal Symptoms (SIPS): a score between 3 and 5 on the positive symptoms indicates attenuated psychotic symptoms and a score of 6 indicates a psychotic state. age 18-30 b. patients with a recently developed psychotic disorder, age 18-30 c. participants with no family history of psychosis , age 18-30

Exclusion criteria

Exclusion criteria: exclusion criteria for controls: family history for psychosis. Psychotic symptoms due to an organic etiological factor.

Design outcomes

Primary

MeasureTime frame
Trait anxiety is measured by self-rating lists STAI DY and BIS/ BAS. Sensory motor gating is measured by Pre Pulse Inhibition of the Acoustic Startle Reflex recorded by electro myograhpic recordings of the orbicularis oculi muscle through dermal electrodes.

Secondary

MeasureTime frame
Possible influence of age, hormonal cycle in females, medication and smoking behaviour are assessed through demographic information list that participants are requested to fill in. Female hormonal influences are also measured by levels of estradiol and progestron determined from bloodsample.

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)