Skip to content

Research Sense of Familiarity in Psychotic Patients

Research Sense of Familiarity in Psychotic Patients

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT07608250
Enrollment
30
Registered
2026-05-27
Start date
2012-07-01
Completion date
2017-07-01
Last updated
2026-05-27

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

Conditions

Schizophrenia

Keywords

Categorical perception; Familiarity; Morph; Schizophrenia.

Brief summary

Categorical perception of familiarity in schizophrenic patients

Detailed description

By using a familiarity continuum task based on the existence of the categorical perception effect, the objective of this study was to determine whether SZP present hyper- or hypo-familiarity.

Interventions

familiarity continuum task based on the existence of the categorical perception effect

Sponsors

University Hospital, Lille
Lead SponsorOTHER

Study design

Observational model
CASE_CONTROL
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum

Inclusion criteria

* (a) provide informed consent to participate in the survey, (b) speak French, (c) aged 18 years or older, (d) free of any mental or psychological incapacity to participate due to acute decompensation of a psychiatric disorder or severe substance withdrawal

Exclusion criteria

* (a) no informed consent to participate in the survey, (b) do not speak French, (c) aged under18 years (d) free of any mental or psychological incapacity to participate due to acute decompensation of a psychiatric disorder or severe substance withdrawal

Design outcomes

Primary

MeasureTime frameDescription
facial stimuli, which consisted of picture morphs of unfamiliar faces and faces that were personally familiar to the participants. The percentage of the familiar faceat inclusioncontained in the morph ranged from 5 to 95%. The participants were asked to press a button when they felt familiar with the face that was presented.

Countries

France

Contacts

PRINCIPAL_INVESTIGATORPierre Thomas, M

University Hospital, Lille

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 28, 2026