NCT07162545

Brief Summary

Objective: To determine the effects of a stroboscopic training program on cognitive function in adolescent male volleyball players. The study aims to reveal the impact of using stroboscopic glasses during a portion of their training on volleyball players' cognitive functions. The data obtained from the study will be important for improving volleyball training programs and contributing to the sports science literature.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
34

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Oct 2025

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 24, 2025

Completed
16 days until next milestone

First Posted

Study publicly available on registry

September 9, 2025

Completed
2 months until next milestone

Study Start

First participant enrolled

October 30, 2025

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 15, 2025

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

January 15, 2026

Completed
Last Updated

April 14, 2026

Status Verified

September 1, 2025

Enrollment Period

2 months

First QC Date

August 24, 2025

Last Update Submit

April 11, 2026

Conditions

Keywords

AttentionCognitionReaction Time

Outcome Measures

Primary Outcomes (3)

  • Visual-Spatial Perception

    Line Orientation Test

    Eight weeks

  • Cognitive Functions

    Trail Making Test

    Eight weeks

  • Directing attention

    Stroop Test

    Eight weeks

Study Arms (2)

study

Training Program: Stroboscopic visual training program to be applied 2 days a week, for 8 weeks.

Other: stroboskopic visual training

control

Routine training program

Interventions

Players in the study group will wear stroboscopic glasses for 10 minutes a day, two days a week, for eight weeks during their routine training. Evaluations will be repeated at the end of the eight weeks.

study

Eligibility Criteria

Age13 Years - 18 Years
Sexmale(Gender-based eligibility)
Gender Eligibility DetailsMale
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodProbability Sample
Study Population

Adolescent male volleyball players between the ages of 13-18.

You may qualify if:

  • Being an adolescent male volleyball player between the ages of 13-18.
  • Having attended volleyball training regularly for at least one year.
  • Agreeing to attend training regularly throughout the study period.
  • Having signed the voluntary participation form and parental consent form.
  • Having no visual or auditory impairments.
  • Having completed cognitive function tests during the initial evaluation.

You may not qualify if:

  • Having a history of a disease that could affect neurological, psychiatric, or cognitive functions.
  • Individuals whose use of glasses, contact lenses, or eye health prevents them from using stroboscopic glasses.
  • Having had a head, neck, or serious lower/upper extremity injury within the last 6 months.
  • Regular use of any medication (especially medications that affect attention/cognitive functions).
  • Individuals who declared they were unable to comply with the study process or who did not participate in follow-up assessments.
  • Individuals who did not comply with the research protocol during testing or whose data were incomplete.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Sakarya University of Applied Sciences Physiotherapy and Rehabilitation Research Center

Sakarya, Turkey (Türkiye)

Location

MeSH Terms

Conditions

Orientation, Spatial

Condition Hierarchy (Ancestors)

Spatial BehaviorBehavior

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
OTHER
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assist. Prof.

Study Record Dates

First Submitted

August 24, 2025

First Posted

September 9, 2025

Study Start

October 30, 2025

Primary Completion

December 15, 2025

Study Completion

January 15, 2026

Last Updated

April 14, 2026

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will not share

Locations