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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05452629
Other study ID # PACNL_JT_MI_EEG
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date July 14, 2020
Est. completion date March 19, 2021

Study information

Verified date July 2022
Source National Taiwan Normal University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The athlete population has a high risk of suffering from mental health problems (e.g., anxiety), especially for athletes with individual sports. As such, various forms of mental training were used to maintain the mental health of athletes, such as mindfulness training or relaxation training. However, differences pertaining to the electrophysiological mechanisms resulting from both mental training in athletes are unknown. Therefore, the purpose of the current study was to examine the differential effects between the brief mindfulness induction (MI) and relaxation induction (RI) on state anxiety, affect and the activation of the brain in track and field athletes.


Description:

The purposes of this study are: (1) examining the effect of brief mindfulness induction (MI) and relaxation induction (RI) on anxiety and affect in athletes with individual sports, (2) and we sought to identify the different brain activity (i.e., theta, alpha) changes between MI and RI using EEG. In the present study, subjects were contrasted using a within-subject comparison across MI, RI, and control condition. According to past works on the comparison of mindfulness and psychological skill training, we hypothesized that MI and RI would both improve anxiety and affect, compared with control condition. Furthermore, we also hypothesized that RI would elicit greater theta power (i.e., more cognitive control) than MI. In addition, when compared with control condition, participants might be elicited greater alpha power during the MI and RI.


Recruitment information / eligibility

Status Completed
Enrollment 35
Est. completion date March 19, 2021
Est. primary completion date March 19, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 25 Years
Eligibility Inclusion Criteria: 1. track and field athletes with regular training 2. right-handedness 3. no history of neurological illness 4. no regular training experience in mindfulness or relaxation interventions Exclusion Criteria: -

Study Design


Intervention

Behavioral:
Mindfulness induction (MI)
In the MI condition, participants were guided to focus on present experiences regarding the thoughts, emotions and sensations through the three classic mindfulness exercises (i.e., focused breathing, meditation, and body scanning). The duration of MI was 30-minutes.
Relaxation (RI)
In the RI condition, participants were guided to relax each muscle group following the audio for 30-minutes.

Locations

Country Name City State
Taiwan Yu-Kai Chang, Ph.D. Taipei

Sponsors (1)

Lead Sponsor Collaborator
National Taiwan Normal University

Country where clinical trial is conducted

Taiwan, 

Outcome

Type Measure Description Time frame Safety issue
Primary State anxiety The Chinese version of the State-Trait Anxiety Inventory (C-STAI, Wang & Chung, 2016), which is based on the State-Trait Anxiety Inventory (STAI, Spielberger, 1970), was utilized to assess an individual's alteration of state anxiety before and after each experimental manipulation in current study. The State Anxiety Inventory (SAI) is a 20-item sub-scales in the STAI, with a 4-point Likert scale ranging from 1 (not at all) to 4 (very much so) used for each item. Higher total scores indicate higher levels of state anxiety. 10 minutes
Primary Affective state The Positive and Negative Affect Schedule (PANAS) was utilized to assess an individual's alteration of PA and NA before and after each experimental manipulation in current study. PANAS is a 20-items questionnaire that consists of two 10-item mood scales assessing the positively affective states (i.e., PA) and negatively affective states (i.e., NA), respectively. Participants were asked to rate to what extent they felt a certain way right now from 1 (not at all) to 5 (extremely). Higher total scores indicate higher intensity of affective state. 5 minutes
Primary EEG The selected frequency bands were as theta (4-8 Hz) and alpha (8-13 Hz), the frequency bands were computed by averaged across epochs and integrated spectral power, the frontal region (Fp1, Fp2, F7, F3, Fz, F4, F8) for theta power, and posterior region (P7, P3, Pz, P4, P8, O1, Oz, O2) for alpha power were selected into the statistical analysis, respectively. 30 minutes
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