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Forbes

Cognito Therapeutics, founded by Prof. Ed Boyden and Prof. Li Huei Tsai, has developed a “specialized headset that delivers 40Hz auditory and visual stimulation” to the brain, which could potentially slow down the cognitive decline and neurodegeneration in Alzheimer’s disease, reports William A. Haseltine for Forbes. Prof. Li-Huei Tsai “and her team speculated that if gamma wave activity is reduced in Alzheimer’s disease, perhaps, artificially stimulating the brain may enhance synchronized firing and restore cognition,” writes Haseltine.

Forbes

Cognito Therapeutics, founded by Prof. Ed Boyden and Prof. Li-Huei Tsai, is using a 40 Hzlight-flickering and auditory headset to help slow the progression of Alzheimer’s and restore cognition, reports William A. Haseltine for Forbes. “A recent pilot clinical trial found that this technology is not only safe and tolerable for home use, but also has a positive impact on reducing symptoms associated with age-related neurodegeneration,” writes Haseltine.

Nature

Researchers at MIT and elsewhere have identified key cell types that may protect the brain against Alzheimer’s symptoms, reports Sara Reardon for Nature. “Most Alzheimer’s research has focused on excitatory neurons, which relay electrical signals to activate other neurons,” explains Reardon. “But the authors found that the cells with reelin or somatostatin were inhibitory neurons, which halt neuronal communication. These inhibitory cells might therefore have a previously unknown role in the types of cognitive function that are lost during Alzheimer’s.”

Scientific American

MIT scientists have developed a new brain “atlas” and computer model that sheds insight into the brain-body connections in C. elegans worms, reports Lauren Leffer for Scientific American. “Through establishing those brain-behavior links in a humble roundworm,” writes Leffer, “neuroscientists are one step closer to understanding how all sorts of animal brains, even potentially human ones, encode action.”

Forbes

Researchers at MIT have found that those with an E4 variant display abnormalities in cholesterol metabolism, reports William A. Haseltine for Forbes. “The MIT team suggest that the disruption of cholesterol metabolism could be a fundamental reason why those with the E4 variant are more likely to develop Alzheimer’s disease symptoms,” writes Haseltine.

Forbes

An MIT research study suggests that those with the E4 variant of the APOE gene are more likely to develop Alzheimer’s symptoms, reports William A. Haseltine for Forbes. The variant “disrupts how fat molecules are processed in the brain,” writes Haseltine. “It appears that the disruption of these fat molecules could be the fundamental reason why those that contain the E4 variant are more likely to develop Alzheimer’s symptoms.”

Quanta Magazine

Researchers at MIT have found “the brain is not wired to transmit a sharp ‘stop’ command in the most direct or intuitive way,” reports Kevin Hartnett for Quanta Magazine. The brain “employs a more complicated signaling system based on principles of calculus,” writes Hartnett.

Economist

Prof. Edward Boyden has developed a new imaging technique called expansion-revealing microscopy that can reveal tiny protein structures in tissues, reports The Economist. “Already his team at MIT has used it to reveal detail in synapses, the nanometer-sized junctions between nerve cells, and also to shed light on the mechanisms at play in Alzheimer’s disease, revealing occasional spirals of amyloid-beta protein around axons, which are the threadlike parts of nerve cells that carry electrical impulses.”

Popular Mechanics

Researchers at MIT have found that the brain can send a burst of noradrenaline when it requires you to pay attention to something crucial, reports Juandre for Popular Mechanics. “The MIT team discovered that one important function of noradrenaline, commonly known as norepinephrine, is to assist the brain in learning from unexpected results,” explains Juandre.

The Boston Globe

Writing for The Boston Globe, Prof. Li-Huei Tsai underscores the need for the Alzheimer’s research community to “acknowledge the gaps in the current approach to curing the disease and make significant changes in how science, technology, and industry work together to meet this challenge.” Tsai adds: “With a more expansive mode of thinking, we can bridge the old innovation gaps and cross new valleys of discovery to deliver meaningful progress toward the end of Alzheimer’s.”

National Public Radio (NPR)

Prof. Mark Bear speaks with NPR’s Jon Hamilton about how injecting tetrodotoxin, a paralyzing nerve toxin found in puffer fish, could allow the brain to rewire in a way that restores vision and help adults with amblyopia or "lazy eye." Bear explains that: “Unexpectedly, in many cases vision recovered in the amblyopic eye, showing that that plasticity could be restored even in the adult.”

NPR

NPR’s Jon Hamilton spotlights Prof. Li-Huei Tsai’s work developing a noninvasive technique that uses lights and sounds aimed at boosting gamma waves and potentially slowing progression of Alzheimer’s disease. "This is completely noninvasive and could really change the way Alzheimer's disease is treated," Tsai says.

Scientific American

Scientific American reporter Leslie Nemo spotlights postdoctoral fellow Matheus Victor’s photograph of a petri dish full of neurons. Nemo writes that Victor and his colleagues hope the “rudimentary brain tissue will reveal why a new therapy might alleviate Alzheimer’s symptoms.”

The Boston Globe

Boston Globe reporter Corrie Pikul spotlights Prof. Li-Huei Tsai’s work finding that exposure to a specific pattern of rhythmic lights and sound bursts could potentially serve as a non-invasive treatment for Alzheimer’s. “These are really surprising findings,” says Tsai. “We are seeing multiple different cellular responses that are consistent with increased brain health.”

NIH

Dr. Francis Collins, director of the NIH, spotlights a video created by Prof. Kwanghun Chung that takes viewers on a voyage through a region of the brain that controls voluntary movement. Thanks to imaging techniques like Chung’s, “mapping the biocircuitry of the brain just keeps getting better all the time,” Collins explains.