Effects of Physical Fatigue on Cognitive Load and Performance Under Dual-Task Environments.

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

RECRUITING

Clinical Phase

NA

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-04-23

Study Completion Date

2025-07-30

Brief Summary

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This study aims to determine how different levels of physical fatigue influence cognitive load and performance during dual-task activities.

1. To assess the changes in cognitive task performance under varying levels of physical fatigue.
2. There is an association between cognitive loading and physical fatigue.

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Detailed Description

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Working efficiency in our daily routine is hindered by constant change, urgency, and the demands of sustained efforts, all of which contribute to health and safety problems, and are extremely imprudent of human resources in the workplace, due to which individuals would raise anxiety, causing more attention required for task completion and thereby increasing cognitive load. Cognitive loading refers to the mental effort needed to process information and perform tasks. Physical performance is not only related to physical factors, psychological factors also have the potential to determine physical performance. Mental workload is defined as the difference between the cognitive demand of a particular task and the operator's attention resources. When cognitive demands exceed available resources, mental fatigue can occur, often reflected in decreased motor function and impaired physical performance. Fatigue is recognized as a dimensional phenomenon encompassing cognitive and motor fatigue. It is debatable whether cognitive fatigue is a spontaneous phenomenon or provoked by exertion or whether cognitive fatigue is provoked by cognitive effort or also through physical exercise. Physical fatigue develops more quickly when the brain has to devote resources to highly cognitive tasks. Influence of cognitive load on the dynamics of neurophysiological adjustments during exercise which causes fatigue explained by the interaction of various psychological and neurophysiological factors including higher perceived exertion, greater perturbations of autonomic nervous system activity, and cerebral impairments leading to earlier onset of central fatigue. The brain is like other biological tissue tired out when overused. Since the impact of physical exercise on cognitive functioning is dependent on the characteristics of the physical exercise load. Previous research has demonstrated a small-to-medium negative effect of cognitive exertion on subsequent physical performance. Our study aims to explore the interplay between varying levels of physical fatigue and cognitive performance. Specifically, we will examine how different intensities of physical load affect mental load and associated physiological functions. By investigating these relationships, we seek to provide insights into optimizing performance in dual-task environments, ultimately contributing to better health and efficiency in the workplace.

Conditions

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Fatigue Cognitive Load

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Reserach

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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Group 1

Participants with a target Heart rate range of 50-60% of their maximum heart rate. All members of Group 1 who meet the eligibility criteria will perform a cognitive task before undergoing mild-intensity physical fatigue induced by treadmill training. After that participants will complete the cognitive task again. To eliminate bias, three different levels of physical exertion will be randomly assigned.

Group Type EXPERIMENTAL

Mild-intensity physical fatigue

Intervention Type OTHER

Participants will undergo mild-intensity physical fatigue through a structured treadmill training protocol. The training will be conducted within a target heart rate range of 50-60% of their maximum heart rate (HRmax), ensuring controlled and consistent exercise intensity. This approach aims to induce mild physiological stress while maintaining safety and feasibility for all participants.

Group 2

Participants with a target Heart rate range of 60-70% of their maximum heart rate. All members of group 2 who meet the eligibility criteria will perform a cognitive task before undergoing moderate-intensity physical fatigue induced by treadmill training. After that participants will complete the cognitive task again. To eliminate bias, three different levels of physical exertion will be randomly assigned.

Group Type EXPERIMENTAL

Moderate-intensity physical fatigue

Intervention Type OTHER

Participants will undergo Moderate-intensity physical fatigue through a structured treadmill training protocol. The training will be conducted within a target heart rate range of 60-70% of their maximum heart rate (HRmax), ensuring controlled and consistent exercise intensity. This approach aims to induce mild physiological stress while maintaining safety and feasibility for all participants.

Group 3

Participants with a target Heart rate range of 70-80% of their maximum heart rate. All members of group 3 who meet the eligibility criteria will perform a cognitive task before undergoing high-intensity physical fatigue induced by treadmill training. After that participants will complete the cognitive task again. To eliminate bias, three different levels of physical exertion will be randomly assigned.

Group Type EXPERIMENTAL

High-intensity physical fatigue

Intervention Type OTHER

Participants will undergo High-intensity physical fatigue through a structured treadmill training protocol. The training will be conducted within a target heart rate range of 70-80% of their maximum heart rate (HRmax), ensuring controlled and consistent exercise intensity. This approach aims to induce sufficient physiological stress while maintaining safety and feasibility for all participants.

Interventions

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Mild-intensity physical fatigue

Participants will undergo mild-intensity physical fatigue through a structured treadmill training protocol. The training will be conducted within a target heart rate range of 50-60% of their maximum heart rate (HRmax), ensuring controlled and consistent exercise intensity. This approach aims to induce mild physiological stress while maintaining safety and feasibility for all participants.

Intervention Type OTHER

Moderate-intensity physical fatigue

Participants will undergo Moderate-intensity physical fatigue through a structured treadmill training protocol. The training will be conducted within a target heart rate range of 60-70% of their maximum heart rate (HRmax), ensuring controlled and consistent exercise intensity. This approach aims to induce mild physiological stress while maintaining safety and feasibility for all participants.

Intervention Type OTHER

High-intensity physical fatigue

Participants will undergo High-intensity physical fatigue through a structured treadmill training protocol. The training will be conducted within a target heart rate range of 70-80% of their maximum heart rate (HRmax), ensuring controlled and consistent exercise intensity. This approach aims to induce sufficient physiological stress while maintaining safety and feasibility for all participants.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Individuals aged 18 to 30 years.
* Physically healthy individuals.
* Willingness to participate in the study.

Exclusion Criteria

* Cognitive Impairment.
* Neurological injury.
* Cardiac, pulmonary, or inflammatory diseases.
* Mental health conditions include depression and post-traumatic stress disorder.
* Individuals unwilling to participate.

Minimum Eligible Age

18 Years

Maximum Eligible Age

30 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes