Articles with the keyword: 
Simple Brain Mechanisms Explain Arbitrary Human Visual Decisions
piggy submitted, created time 1 week 4 days (www.sciencedaily.com)
Mark Twain, a skeptic of the idea of free will, argues in his essay "What Is Man?" that humans do not command their minds or the opinions they form. "You did not form that [opinion]," a speaker identified as "old man" says in the essay. "Your [mental] machinery did it for you—automatically and instantly, without reflection or the need of it."
Twain's views get a boost this week from researchers at Washington University School of Medicine in St. Louis and University of Chieti, Italy 
Animal Intelligence and the Evolution of the Human Mind
jerry submitted, created time 2 months 3 weeks (www.sciam.com)
The human brain lacks conspicuous characteristics—such as relative or absolute size—that might account for humans’ superior intellect. This article in Scientific American is a smoothly written and interesting discussion of how scientists have found ways to measure intelligence in non-human species--especially primates--and of the speculation on the reasons behind human intelligence.
Madness: Price of a Big Brain?
sea-maid submitted, created time 3 months 1 week (sciencenow.sciencemag.org)
A new study suggests that the debilitating disease schizophrenia may be a byproduct of the genetic changes that fueled the evolution of the expansive human brain. The idea, still preliminary, is that the massive energy demands of the brain may make it vulnerable to mutations in metabolism-related genes.
Peering into the Human Brain with fMRI Techniques
sea-maid submitted, created time 5 months 1 week (www.npr.org)
According to a new study, individuals performing monotonous tasks display abnormal brain activity before committing a mistake.
Monkeys show amazing learning curve with thought-controlled prosthetics
Darkfrog submitted, created time 5 months 3 weeks (www.nytimes.com)
Monkeys with small (as in a mm or so wide) grid implanted just beneath their skulls have shown themselves able to control a mechanical arm with their thoughts.
This is an NYT writeup of an article originally published in Nature. Scientists first taught the monkeys how to control a mechanical arm with a joystick, then implanted a small grid, only a mm or so wide, onto the motor centers of their brains. The monkeys' own arms were then gently restrained. The scientists used a computer to move the arm at first. The article uses the expression, "teaching with biofeedback
sea-maid submitted, created time 6 months 2 days (www.newscientist.com)
The brain is the most complex organ in the human body. This article is a brief overview of human knowledge of the brain.
The similarity between human and fly
Sue Wu submitted, created time 8 months 4 days (www.sciencedaily.com)
According to researchers at the Monell Center, fruit flies are more like humans in their responses to many sweet tastes than are almost any other species.
August submitted, created time 1 year 2 months (sciencenow.sciencemag.org)
There's no news like bad news. The tabloids are full of accidents, gory murders, and mayhem, and people eat it up. But there may be a silver lining, at least for seniors. A new study finds that the human brain reacts less strongly to emotionally negative stimuli as we age, in effect making us more responsive to all things positive and less responsive to the dark and dismal. This bolsters a growing body of evidence showing that aging changes how the brain reacts to emotional stimuli.
Scientists a step closer to understanding how anaesthetics work in the brain
bianjie submitted, created time 1 year 3 months (www.eurekalert.org)
An important clue to how anaesthetics work on the human body has been provided by the discovery of a molecular feature common to both the human brain and the great pond snail nervous system, scientists say today.
Attention, Memory And Language Links In The Human Brain Mapped By Pioneering Study
Cindy submitted, created time 1 year 6 months (www.medicalnewstoday.com)
"This is the chance to study the ultimate form of animal communication -- language," said Thomas A. Christensen of UA's department of speech, language and hearing sciences (SLHS). "Humans have evolved a very sophisticated symbolic form of communication. Language affects how we think, what we believe, how we interact with each other. I'd even go so far as to say that our future as a species depends on understanding how we communicate. But very little is known about what's going on in the brain when we're having a simple conversation."
Human Brain Has Origin in Lowly Worm
bioman submitted, created time 1 year 6 months (www.livescience.com)
The origin of the human brain has been traced back to primitive central nervous systems in worms and bugs, researchers now say. Humans and other vertebrates evolved from an ancient common ancestor that also gave rise to insects and worms, scientists have long known. But they're of course quite different today.
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