Hand Reaction Speed and Manual Dexterity & Caffeine Dependence
Investigation of Hand Reaction Speed and Manual Dexterity in Young Adults With Caffeine Dependence
Saglik Bilimleri Universitesi
47 participants
Jun 26, 2025
OBSERVATIONAL
Conditions
Summary
This study aims to evaluate the effects of caffeine dependence on hand reaction time and fine motor skills in university students. By comparing individuals with high and low daily caffeine intake, the research will assess whether excessive caffeine consumption is associated with impaired upper extremity performance. Reaction speed will be measured using the Nelson Hand Reaction Time Test, and manual dexterity will be assessed with the Purdue Pegboard Test.
Eligibility
Inclusion Criteria2
- Age 18 to 30 years
- Currently enrolled university students
Exclusion Criteria2
- Neurological, vascular, orthopedic, acute or chronic conditions affecting hand function
- History of wrist surgery or visible hand deformity
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Interventions
Individuals consuming 300 mg or more of caffeine daily, meeting DSM-5/ICD-10 criteria for caffeine dependence.
Individuals consuming caffeine within recommended levels (20-200 mg/day).
Locations(1)
View Full Details on ClinicalTrials.gov
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NCT07032454