Lifeboat Foundation

From the time of Hippocrates, physicians have suspected a link between epilepsy and depression. Now, for the first time, scientists at Rutgers University-New Brunswick and Columbia University have found evidence that seizures and mood disorders such as depression may share the same genetic cause in some people with epilepsy, which may lead to better screening and treatment to improve patients’ quality of life.

The scientists studied dozens of unusual families with multiple relatives who had epilepsy, and compared the family members’ lifetime prevalence of mood disorders with that of the U.S. population.

They found an increased incidence of mood disorders in persons who suffer from a type of the condition called focal epilepsy, in which seizures begin in just one part of the brain. But mood disorders were not increased in people with generalized epilepsy, in which seizures start on both sides of the brain.

New research in humans demonstrates the potential to improve memory with a non-invasive brain stimulation technique delivered during sleep. The results, published in JNeurosci, come from a project funded by the United States Department of Defense that aims to better understand the process of memory consolidation, which could translate into improved memory function in both healthy and patient populations.

The transfer of memories from the hippocampus to the neocortex for long-term storage is thought to be enabled by synchronization of these parts of the brain during sleep. Nicholas Ketz, Praveen Pilly, and colleagues at University of New Mexico sought to enhance this natural process of overnight reactivation or neural replay to improve memory with a closed-loop transcranial alternating current stimulation system matching the phase and frequency of ongoing slow-wave oscillations during sleep.

Participants were trained and tested on a realistic visual discrimination task in which they had to detect potentially threatening hidden objects and people such as explosive devices and enemy snipers. The researchers found that when participants received stimulation during overnight visits to their sleep laboratory, they showed improved performance in detecting targets in similar but novel situations the next day compared to when they did not receive the stimulation, suggesting an integration of recent experience into a more robust and general memory. Overnight memory changes correlated with stimulation-induced neural changes, which could be used to optimize stimulation in future applications. These findings provide a method for enhancing memory consolidation without disturbing sleep.

There’s a hallmark of incurable neurodegenerative diseases – misfolded proteins that clump together to form sticky plaques or tangles called fibrils.

Now, new research has discovered that a protein normally tasked with clearing cells of molecular debris might be a common feature of a cluster of common and rare neurodegenerative diseases, including two distinct forms of dementia.

The finding was “both unexpected and surprising” and “raises many intriguing questions”, according to the team behind the study, who made 3D-reconstructions of a twisted protein they found in “copious amounts” in some brain tissue samples.

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Continue reading “Cool Inventions That Will Kill Your Boredom” »

A single protein can reverse the developmental clock on adult brain cells called astrocytes, morphing them into stem-like cells that produce neurons and other cell types, UT Southwestern researchers report in a PNAS study. The findings might someday lead to a way to regenerate brain tissue after disease or injury.

“We’re showing that it may be possible to reprogram the fate of this subset of brain cells, giving them the potential to rebuild the damaged brain,” said study leader and co-corresponding author Chun-Li Zhang, Ph.D., Professor of Molecular Biology and an Investigator in the Peter O’Donnell Jr. Brain Institute.

During development, mammalian stem cells readily proliferate to produce neurons throughout the brain and cells—called glia—that help support them. Glia help maintain optimal brain function by performing essential jobs like cleaning up waste and insulating nerve fibers. However, the mature brain largely loses that stem cell capacity. Only two small regenerative zones, or niches, remain in the adult brain, Dr. Zhang explained, leaving it with extremely limited capacity to heal itself following injury or disease.

Could these connections formulate our consciousness? Is consciousness information flowing throughout the brain?

The Neuro-Network.

See more.

Continue reading “New Discoveries Reveal Information’s Flow in the Brain” »

Summary: Findings shed light on how plastic and stable neural populations are able to co-exist in the brain.

Source: University of Cambridge.

Our brains are highly skilled at learning patterns in the world and making sense of them. The brain continually learns and adapts throughout our lives, and even the neurons supporting learned behaviors, such as the daily walk to work, are constantly changing.

Thankfully, the cells have nothing to do with cognition.

Supplement companies often market nootropics like they’re some kind of new scientific discovery. However, human beings have been using nootropics to boost mental performance for millennia. What’s different now is that scientists actually understand how nootropics work, and which ones have synergistic interactions with each other.

This new understanding is what helped TruBrain create Brain Food.

Brain Food is a nutritional supplement that has been methodically engineered by TruBrain’s team of scientists to create the biological conditions necessary for peak cognitive performance. Like a lot of other nootropic supplements, Brain Food contains the so-called “everyman stack” of caffeine and l-theanine, a combo humans have been taking for thousands of years in the form of green tea.