Jon Hamilton Jon Hamilton is a correspondent for NPR's Science Desk. Currently he focuses on neuroscience, health risks, and extreme weather.

Brain imaging experiments found patterns associated with attention span. iStockphoto hide caption

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A Peek At Brain Connections May Reveal Attention Deficits

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An image from the Allen Institute's Brain Explorer shows gene expression across the human brain. Courtesy of Allen Institute For Brain Science hide caption

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Courtesy of Allen Institute For Brain Science

A Genetic Map Hints At What Makes A Brain Human

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The Brain's GPS May Also Help Us Map Our Memories

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Neuroscientist Takashi Kitamura works in the lab of Nobel laureate Susumu Tonegawa at the Massachusetts Institute of Technology. One of their recent projects helped identify a brain circuit involved in processing the "where" and "when" of memory. "Ocean cells" (red) and "island cells" (blue) play key roles. Takashi Kitamura/MIT hide caption

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Takashi Kitamura/MIT

30,000 Brain Researchers Meld Minds At Science's Hottest Hangout

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Researchers have used MRI scanners to learn that preemies are born with weak connections in some critical brain networks. iStockphoto hide caption

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Weak Brain Connections May Link Premature Birth And Later Disorders

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Alan Hoffman, shown with his wife, Nancy, at their home in Dumfries, Va., found that his Parkinson's symptoms improved when he took a cancer drug. Claire Harbage for NPR hide caption

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Claire Harbage for NPR

Can A Cancer Drug Reverse Parkinson's Disease And Dementia?

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Studies May Overstate The Benefits of Talk Therapy For Depression

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Club Drug Ketamine Gains Traction As A Treatment For Depression

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Sleepless Fruit Flies Could Hold The Secret To Curing Insomnia

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Rough night? Depending on specific tweaks to their genes, some fruit flies have trouble falling asleep, and others can't stay asleep. Getting too little shut-eye hurts their memory. David M. Phillips/Science Source hide caption

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David M. Phillips/Science Source

How Research On Sleepless Fruit Flies Could Help Human Insomniacs

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Treatment From Brain Tissue May Have Spread Alzheimer's Protein

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Experimental Drug Provides New Approach To Fighting Alzheimer's

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Renowned British neurologist and author Oliver Sacks, pictured in London in 1983, died Sunday of cancer. He was 82. United News/Popperfoto/Getty Images hide caption

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United News/Popperfoto/Getty Images

Oliver Sacks Was A Boundless Explorer Of The Human Brain

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Michael Arnott, of Cambridge, Mass., says he used to have trouble staying awake on long drives. Sleep specialists discovered he has obstructive sleep apnea, though not for the most common reasons — he isn't overweight, and doesn't smoke or take sedatives. M. Scott Brauer for NPR hide caption

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M. Scott Brauer for NPR

Snooze Alert: A Sleep Disorder May Be Harming Your Body And Brain

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A nanosecond pulsed laser beam starts the photoacoustic imaging process. Geoff Story/Courtesy of Washington University in St. Louis hide caption

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Geoff Story/Courtesy of Washington University in St. Louis

A Scientist Deploys Light And Sound To Reveal The Brain

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