Exploring Hand Function in People With Schizophrenia Based on Perspective of Sensorimotor Control

Exploration of the Relationships Between Vocational Performances Ans Sensorimotor Factors of Hands in Schizophrenia

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04941677

Enrollment

Registered

2021-06-28

Start date

2020-09-17

Completion date

2022-12-31

Last updated

2024-04-03

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

Conditions

Schizophrenia

Keywords

hand function, sensorimotor, motor control theory

Brief summary

The study aims to explore the hand function in people with schizophrenia in the chronic stage.

Interventions

OTHERno intervention

no intervention in this study

Study design

Observational model

CASE_ONLY

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Age

20 Years to 65 Years

Inclusion criteria

* Age between 20-65 years old * Diagnosis with schizophrenia or schizoaffective disorder by psychiatrists according to DSM5. * Remaining the same antipsychotics and the symptom was stable for at least one month before the study. * Be able to follow comments and have sufficient cognitive ability assessed by Mini-Mental State Examination score \>24

Exclusion criteria

* Substance abuse or other medical conditions that may affect movements. * Using other non-antipsychotics that will affect movements in the same period.

Design outcomes

Primary

Measure	Time frame	Description
Semmes Weinstein Monofilaments	baseline	Semmes Weinstein Monofilaments is used to assess cutaneous pressure thresholds.
Pinch-holding-up-activity test	baseline	The pinch apparatus is aims to assess the ability to modulate pinch force to movement-induced load fluctuations in a pinch-holding-up activity (PHUA).
Manual Tactile Test	baseline	Manual tactile test (MTT) aims to assess the capacity of barognosis, roughness differentiation and stereognosis.
Purdue pegboard test	baseline	The purpose for Purdue pegboard test is to measure manipulative dexterity including unimanual and bimanual hand dexterity.
The Valpar 8 simulates assembly work assessment	baseline	Valpar8 simulates the light work and assess the ability of manual dexterity and motor coordination.

Secondary

Measure	Time frame	Description
Self-reported version of the graphic Personal and Social Performance (SRG-PSP)	baseline	The self-reported version of the graphic personal and social performance is a self-report scale that aims to assess functional performance.

Countries

Taiwan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 8, 2026