Mental Fatigue Clinical Trial
Official title:
Effects of Mental Fatigue on Inhibitory Control and Endurance Performance in Athletes With Different Levels of Dispositional Mindfulness: An Event-Related Potential Study
Verified date | June 2023 |
Source | National Taiwan Normal University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This study investigated the mediating effect of dispositional mindfulness on the impact of mental fatigue on neurocognitive functions and endurance performance in athletes.
Status | Completed |
Enrollment | 90 |
Est. completion date | October 31, 2022 |
Est. primary completion date | October 31, 2022 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 25 Years |
Eligibility | Inclusion Criteria: 1. Regular sports training at least 4 hours weekly 2. Normal or corrected-to-normal vision 3. Right-handed Exclusion Criteria: 1. Physical limitation or injury in lower limbs before and during the study 2. Diagnosed or self-reported neurological disorders (e.g., epilepsy) 3. Diagnosed or self-reported major psychiatric illness (e.g., major depression, schizophrenia) |
Country | Name | City | State |
---|---|---|---|
Taiwan | Department of Physical Education and Sport Sciences, National Taiwan Normal University | Taipei |
Lead Sponsor | Collaborator |
---|---|
National Taiwan Normal University |
Taiwan,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Inhibitory control: Reaction time | Inhibitory control will be evaluated by a Flanker task in terms of reaction time in this study, and the types of trials are the congruent (i.e., > > > > >) and incongruent (i.e., < < > < <). In the Flanker task, participants will be presented with five arrows and will be instructed to respond as quickly and accurately as possible to the direction where the middle arrow is pointing (i.e., left or right). | about 1 year | |
Primary | Inhibitory control: Accuracy | Inhibitory control will be evaluated by a Flanker task in terms of accuracy in this study, and the types of trials are the congruent (i.e., > > > > >) and incongruent (i.e., < < > < <). In the Flanker task, participants will be presented with five arrows and will be instructed to respond as quickly and accurately as possible to the direction where the middle arrow is pointing (i.e., left or right). | about 1 year | |
Primary | Endurance performance: Time to exhaustion | The endurance performance in terms of time to exhaustion (TTE) will be assessed by graded exercise test (GXT) with Bruce protocol on treadmill (h/p/cosmos pulsar 3p, Germany). The initial speed and grade of the GXT will be set at 2.74 km/hr with grade of 10% and increase speed and grade every 3 min until participants are volitionally exhausted. | about 1 year | |
Primary | Endurance performance: Maximum Oxygen Consumption | The maximal oxygen consumption (VO2max) throughout the whole GXT will be recorded by a computerized indirect calorimetry system (SensorMedics Vmax 29C, USA), and until the participants reached volitional exhaustion. The VO2max in the study will be defined as the highest 30-s average value of VO2 measured during GXT. | about 1 year | |
Primary | Changes in neuroelectrical activities | The neuroelectrical activities during the computerized cognitive tasks (i.e., Stroop task & Flanker task) will be recorded. The changes in the event-related potential (e.g., P3) will be analyzed. | about 1 year | |
Secondary | Subjective mental fatigue | Before, after Stroop task, and after Flanker task, changes in subjective mental fatigue will be measured using a visual analog scale for mental fatigue (VAS-MF). Participants will be asked the following questions "What is your mental fatigue level now?", and participants could indicate how mental fatigue on a scale from 0 (i.e., no mental fatigue at all) to 100 (i.e., completely mentally exhausted). | about 1 year | |
Secondary | Objective mental fatigue: Reaction time in Stroop task | During the intervention, the reaction time in both Stroop tasks will be calculated as an index of objective mental fatigue. | about 1 year | |
Secondary | Objective mental fatigue: Accuracy in Stroop task | During the intervention, the accuracy in both Stroop tasks will be calculated as an index of objective mental fatigue. | about 1 year | |
Secondary | Rating of perceived exertion | The Rating of perceived exertion (RPE) will be measured at beginning and every 2.5-min during the GXT using Borg 6 to 20 scale, until the participant comes to voluntary exhaustion. | about 1 year |
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