# The Effect of Exposure to Aversive Non-verbal Vocalizations on Pain Tolerance

> **NCT04423874** · NA · RECRUITING · sponsor: **Centre Hospitalier Universitaire de Saint Etienne** · enrollment: 104 (estimated)

## Conditions studied

- Healthy

## Interventions

- **BEHAVIORAL:** Cold pressor task (CPT)
- **DIAGNOSTIC_TEST:** index NOL
- **BEHAVIORAL:** Playback Experiments
- **DIAGNOSTIC_TEST:** Video-pupillometry

## Key facts

- **NCT ID:** NCT04423874
- **Lead sponsor:** Centre Hospitalier Universitaire de Saint Etienne
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2022-05-25
- **Primary completion:** 2026-05
- **Final completion:** 2026-05
- **Target enrollment:** 104 (ESTIMATED)
- **Last updated:** 2025-07-01

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04423874

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04423874, "The Effect of Exposure to Aversive Non-verbal Vocalizations on Pain Tolerance". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04423874. Licensed CC0.

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