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The new research pulls together two threads in earlier schizophrenia studies. Many scientists have noticed that when patients hallucinate voices, neurons in brain regions associated with processing sounds spontaneously fire despite there being no sound waves to trigger this activity. That's an indication of brain overload.
But when presented with real-world voices, other studies showed, hallucinating patients' brains often failed to respond at all, in contrast with healthy brains. These studies pointed to a stifling of brain signals.
By analyzing all of these studies together, biological psychologist Kenneth Hugdahl of the University of Bergen in Norway found the simultaneous over-stimulation and dampening of brain signals to be two sides of the same coin. The findings help explain why schizophrenia patients retreat into a hallucinatory world. Now, Hugdahl wants to use this knowledge to help patients reverse that tendency. [Top 10 Mysteries of the Mind]
People with schizophrenia, which affects about 1 per cent of the population, are already known to be immune to certain visual illusions. Immunity to the hollow-mask illusion, says Danai Dima, of Hannover School of Medicine in Germany, suggests that the "bottom-up" process of collecting incoming visual information from the eyes, and the "top-down" process of interpreting this information is different in people with schizophrenia.
"The term 'schizophrenia' was coined almost a century ago to mean the splitting of different mental domains, but the idea has now shifted more towards connectivity between brain areas," says Dima.
The prevailing theory is that perception comprises three main components: sensory input (bottom-up); the internal production of concepts (top-down); and a control component, which covers interaction between the two first components. "Our study provides further evidence of 'dysconnectivity' between these components in the brains of people with schizophrenia."
I'm not going to define myself by the way I might maybe possibly could potentially die.
I jump out of airplanes for fun.
I go sailing solo by myself.
I go on wilderness excursions solo, by myself, as far off-trail as I can get, for sometimes a whole month!
I do some no ropes solo rock climbing in the wild if it's necessary to get where I want to go.
I've been swimming with sharks!
I've been swimming with dolphins.
I've done cliff diving.
World religions by percentage, according to The World Factbook Christians (33.32%) Muslims (21.01%) Hindus (13.26%) Buddhists (5.84%) Non-religious (14.09%)
Originally posted by FlyersFan
Now the question and concern .... a chip in your head that can access all that information ... what if the company holding all that information wants the flow of information to go the other way? Instead of YOU accessing your chip to get the information, the powers behind that company decide to flow things the other way and put information into your chip/brain?