Related Experiment Video
Updated: Oct 22, 2025
05:04
Application of Passive Head Motion to Generate Defined Accelerations at the Heads of Rodents
Published on: July 21, 2022
1.9K
A Runner's High for New Neurons? Potential Role for Endorphins in Exercise Effects on Adult Neurogenesis
Timothy J Schoenfeld1, Chance Swanson1
1Department of Psychological Sciences and Neuroscience, Belmont University, Nashville, TN 37212, USA.
Biomolecules
|August 27, 2021
Summary
Physical exercise boosts brain health by enhancing hippocampal neurogenesis. Beta-endorphins, released during exercise, may be key mediators of these cognitive and mental benefits, promoting brain health.
Area of Science:
- Neuroscience
- Exercise Physiology
- Molecular Biology
Background:
- Physical exercise confers significant benefits to cognitive function and mental well-being.
- These benefits are strongly associated with enhanced hippocampal functioning and neurogenesis.
- The precise molecular mechanisms linking exercise to hippocampal changes remain largely unknown.
Purpose of the Study:
- To explore beta-endorphins as potential mediators of exercise-induced hippocampal neurogenesis.
- To review evidence supporting beta-endorphin's role in exercise's mental benefits.
- To highlight beta-endorphin as a key factor in exercise-driven brain health.
Main Methods:
- Review of existing literature on beta-endorphins, neurogenesis, and exercise.
- Analysis of potential signaling pathways for peripheral beta-endorphins into the hippocampus.
- Examination of studies on beta-endorphin's direct cellular effects and behavioral impacts.
Main Results:
- Beta-endorphins are released peripherally during exercise and may influence neurogenesis.
- Potential routes for beta-endorphin signaling to the hippocampus exist.
- Evidence suggests beta-endorphin can affect cell proliferation and endogenous opioid signaling.
Conclusions:
- Beta-endorphins are a promising candidate for mediating exercise-induced hippocampal neurogenesis.
- Understanding beta-endorphin's role can elucidate how exercise promotes brain health.
- Further research into beta-endorphin is warranted to fully understand its impact on neurogenesis and cognitive function.
Related Concept Videos
01:27Exercise and Muscle Performance
1.9K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
1.9K
01:15Neurogenesis and Regeneration of Nervous Tissue
1.2K
In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
1.2K
01:20Exercise and Cardiovascular Response
1.7K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
1.7K
01:31Neurotransmitters
1.9K
Neurotransmitters are essential chemical messengers within the nervous system, facilitating the communication between neurons. These chemical messengers, varying in function and effect, are critical for sustaining various aspects of neurological health and emotional well-being.
1.9K
01:01Neuroplasticity
957
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
957
01:17Exercise and Cardiac Output
1.4K
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
Sustained exercise increases the muscles' oxygen demand, which can be...
1.4K