Thursday, April 7, 2011
Sunday, April 3, 2011
Thought Control
Neural Implant Trials at New Scientist
A long-term goal of the BrainGate research team is to create a system that, quite literally, turns thought into action – and is useful to people with neurologic disease or injury, or limb loss. Currently, the system consists of a “sensor” (a device implanted in the brain that records signals directly related to imagined limb movement); a “decoder” (a set of computers and embedded software that turns the brain signals into a useful command for an external device); and, the external device – which could be a standard computer desktop or other communication device, a powered wheelchair, a prosthetic or robotic limb, or, in the future, a functional electrical stimulation device that can move paralyzed limbs directly.
A long-term goal of the BrainGate research team is to create a system that, quite literally, turns thought into action – and is useful to people with neurologic disease or injury, or limb loss. Currently, the system consists of a “sensor” (a device implanted in the brain that records signals directly related to imagined limb movement); a “decoder” (a set of computers and embedded software that turns the brain signals into a useful command for an external device); and, the external device – which could be a standard computer desktop or other communication device, a powered wheelchair, a prosthetic or robotic limb, or, in the future, a functional electrical stimulation device that can move paralyzed limbs directly.
Tuesday, March 29, 2011
attention deficit hyperactivity disorder
an @gamma counter retweet of @brainpicker via twitter from the lancet via grist
"Dr. Pessler's study is the first to conclusively say that diet is implicated in ADHD. In the NPR interview, Dr. Pessler did not mince words, "Food is the main cause of ADHD," she said adding, "After the diet, they were just normal children with normal behavior. They were no longer more easily distracted, they were no more forgetful, there were no more temper-tantrums." The study found that in 64 percent of children with ADHD, the symptoms were caused by food. "It's a hypersensitivity reaction to food," Pessler said."
"Dr. Pessler's study is the first to conclusively say that diet is implicated in ADHD. In the NPR interview, Dr. Pessler did not mince words, "Food is the main cause of ADHD," she said adding, "After the diet, they were just normal children with normal behavior. They were no longer more easily distracted, they were no more forgetful, there were no more temper-tantrums." The study found that in 64 percent of children with ADHD, the symptoms were caused by food. "It's a hypersensitivity reaction to food," Pessler said."
Tuesday, March 22, 2011
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