According to Dr. Antonius Wiehler, the lead researcher from the Paris Brain Institute, fatigue could be an adaptive response to prevent the excessive buildup of glutamate. Essentially, feeling tired is your brain’s way of signaling you to stop, so as not to further increase glutamate levels (
).
The study involved 40 participants who were divided into two groups. One group tackled mentally demanding assignments for more than 6 hours, while the other performed easier tasks. By the end of the day, the group engaged in challenging tasks displayed greater signs of fatigue. These signs included reduced pupil dilation, which is linked to decreased effort, as well as a tendency to prefer immediate rewards with less effort required.
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In simpler terms, the mentally exhausted group seemed to avoid activities that required self-control and effort. Their brains seemed to prioritize minimizing effort, possibly due to the elevated glutamate levels.
The researchers used magnetic resonance spectroscopy to monitor the brain chemistry of the participants. This process confirmed the higher glutamate levels in those who engaged in mentally taxing tasks.
Tips to Reset the Brain
One crucial takeaway from this research is that humans are not machines. Rest is essential to allow the brain to recover after a demanding day.
Dr. Wiehler emphasizes the importance of taking 10- to 15-minute breaks throughout the day and getting a full 8 hours of sleep at night.
For optimal decision-making, try to make important decisions when you’re well-rested.
Planning meals ahead of time can help you avoid unhealthy food choices after a mentally tough day.
Additionally, consider exercising earlier in the day to bring more energy and effort to your workout.
Rest and its Benefits on Health
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Having a more focused mind is one of the benefits - It supports optimistic thoughts, improved focus, better memory retention, and enhanced decision-making abilities
- It contributes to the reduction of heart rate, lowering blood pressure, and alleviates stress
- It facilitates digestion by promoting better nutrient absorption. This can enhance the body’s ability to combat illnesses and infections
- It positively influences the sleep cycle, leading to improved rest and rejuvenation
- It plays a role in elevating endorphin and serotonin levels, contributing to a sense of well-being and happiness
However, it’s worth noting that more research is required to fully understand how glutamate levels are restored during sleep and how breaks and sleep duration can best aid in the recovery process.
Reference :
- Protecting the Brain from a Glutamate Storm – (https:dana.org/article/protecting-the-brain-from-a-glutamate-storm/)
Source: Medindia
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