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Category: neuroscience – Page 404

Skull Marrow and Sinuses Hold the Key to Brain-Body Immune Link

Summary: The dural sinuses and skull bone marrow serve as key communication hubs between the brain’s central immune system and the body’s peripheral immune system. These regions may act as “traffic lights,” allowing immune signals to flow between the brain and body, challenging the traditional view of the blood-brain barrier as an absolute divide.

Researchers found inflammatory activity in these areas correlates with inflammation in both the brain and body, offering new insights into conditions like depression. This discovery could pave the way for innovative treatments targeting these hubs to address immune-related conditions more precisely.

Exercise Boosts Memory for 24 Hours

Summary: New research reveals that the cognitive boost from moderate to vigorous exercise lasts up to the next day, enhancing memory performance in adults aged 50 to 83. The study also found that adequate sleep—particularly deep, slow-wave sleep—adds to these benefits.

Conversely, prolonged sedentary time was linked to poorer working memory the following day. These findings highlight the importance of daily physical activity and quality sleep for maintaining cognitive health, especially in older adults.

Brain-Computer Interface: No Open Brain Surgery Required 🧠

Synchron has developed a Brain-Computer Interface that uses pre-existing technologies such as the stent and catheter to allow insertion into the brain without the need for open brain surgery.

Read the CNET article for more info:
You Might Not Need Open Brain Surgery to Get Mind Control https://cnet.co/3sZ7k67

0:00 Intro.
0:25 History of Brain Chip Implants.
0:44 About Synchron.
0:54 How Synchron implants the interface.
1:55 How brain patterns transmit signals.
2:50 Risks and Concerns.
3:50 Patients and Clinical Testing.
4:25 Brain Health Monitoring.
5:04 Synchron Switch Price.

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#WhatTheFuture #Synchron #BCI

Study identifies 13 proteins strongly associated with brain aging

Thirteen proteins linked to brain aging in humans are identified in a Nature Aging paper. Changes in the concentrations of these blood proteins may peak at 57, 70, and 78 years old in humans, and suggest that these ages may be important for potential interventions in the brain aging process.

It is estimated that by 2050 the number of individuals aged 65 years and over will exceed 1.5 billion globally, highlighting the need for a deeper understanding of the aging process—particularly in relation to the .

The prevalence of neurodegenerative disorders, such as dementia, is known to increase with aging; however, effective therapies are still limited. The early identification of and intervention in could help us to prevent such disorders.

How Evolution Shaped the Brain’s Understanding of Numbers

Summary: Human number cognition may be rooted in the putamen, a deep brain structure traditionally associated with movement rather than abstract thought. Neurosurgery patients demonstrated activity in this area while processing numbers as symbols, words, and concepts, suggesting that numerical understanding emerged early in evolution.

Researchers also observed activity in expected areas like the parietal lobe, highlighting how different brain regions collaborate in number processing. These findings could improve surgical outcomes by protecting areas crucial for number cognition and open pathways to enhancing math learning through targeted interventions.

Short Sleep and High Blood Pressure Linked to Brain Aging

Summary: Research reveals that people with high blood pressure who also sleep less than six hours per night face increased risks of brain injury, accelerated brain aging, and impaired executive function. The study assessed 682 participants from the Framingham Heart Study, analyzing sleep patterns, blood pressure, cognitive performance, and brain MRIs.

These risks were not present in individuals with normal blood pressure, highlighting a concerning interaction between sleep deprivation and hypertension. Researchers suggest treating sleep problems and hypertension as potential interventions to protect brain health and delay cognitive decline.

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