Do Emotions Affect Mechanical Pain Thresholds?

NCT ID: NCT06074575

Last Updated: 2025-02-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

152 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-10-01

Study Completion Date

2024-05-22

Brief Summary

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The purpose of this study is to investigate if different emotional states could influence mechanical pain thresholds.

Detailed Description

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Participants will be randomized into 4 different groups watching different short video-clips (2.20 min). The negative emotions group will watch an uncomfortable short video containing violence and blood, the positive emotions group will watch a video containing a stand-up comedy show, the neutral emotions group will watch a video with Swedish nature, and the control group will just wait for 2.20 min, without any instructions about what to think about. Pressure pain thresholds will be measured with an algometer before and after the video-clip interventions.

Conditions

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Pain

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SEQUENTIAL

Within-subjects design.
Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Negative emotional condition

The participant will watch a short video-clip with negative emotional content.

Group Type EXPERIMENTAL

Emotion induction

Intervention Type BEHAVIORAL

The participants will receive different emotion inductions through short video clips.

Positive emotional condition.

The participant will watch a short video-clip with positive emotional content.

Group Type EXPERIMENTAL

Emotion induction

Intervention Type BEHAVIORAL

The participants will receive different emotion inductions through short video clips.

Neutral condition.

The participant will watch a short video-clip with neutral emotional content.

Group Type EXPERIMENTAL

Emotion induction

Intervention Type BEHAVIORAL

The participants will receive different emotion inductions through short video clips.

Control condition.

The participant will not watch a video-clip, but will wait without specific instructions about what to think about.

Group Type EXPERIMENTAL

Emotion induction

Intervention Type BEHAVIORAL

The participants will receive different emotion inductions through short video clips.

Interventions

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Emotion induction

The participants will receive different emotion inductions through short video clips.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Above 18 years of age, fluent in Swedish.

Exclusion Criteria

* Pain anywhere in body during the test session, known neurological disease.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Linnaeus University

OTHER

Sponsor Role lead

Responsible Party

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Helena Gunnarsson

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Helena Gunnarsson, PhD

Role: PRINCIPAL_INVESTIGATOR

Linnéuniversitetet

Locations

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Helena Gunnarsson

Vaxjo, Kronoberg County, Sweden

Site Status

Countries

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Sweden

Other Identifiers

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2023-03968-01

Identifier Type: -

Identifier Source: org_study_id

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