# Brain Type, Playing Position, and Mental Toughness in Amateur Soccer Players

> **NCT07689513** · — · COMPLETED · sponsor: **Istanbul Gelisim University** · enrollment: 270 (actual)

## Conditions studied

- Mental Toughness
- 2D:4D Digit Ratio
- Sports Psychology
- Football

## Interventions

- **OTHER:** Observational Assessment

## Key facts

- **NCT ID:** NCT07689513
- **Lead sponsor:** Istanbul Gelisim University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2025-03-28
- **Primary completion:** 2025-04-25
- **Final completion:** 2025-04-25
- **Target enrollment:** 270 (ACTUAL)
- **Last updated:** 2026-07-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07689513

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07689513, "Brain Type, Playing Position, and Mental Toughness in Amateur Soccer Players". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07689513. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*