Consciousness
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Consciousness
It's a mystery...
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Consciousness on-off switch located deep in human brain

Consciousness on-off switch located deep in human brain | Consciousness | Scoop.it
Scientists say they've located the part of the brain that controls consciousness; it's a thin layer deep in the brain called the claustrum.

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In a new study -- published this week in the journal Epilepsy & Behavior -- neurologist Mohamad Koubeissi of George Washington University recounted how he and his colleagues were able to turn a woman's consciousness off and on by stimulating her claustrum.

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As the new study explains, when GW researchers zapped a woman's claustrum with high frequency electrical impulses, she subsequently lost consciousness. The claustrum shocks caused -- as researchers explained -- "arrest of volitional behavior, unresponsiveness, and amnesia without negative motor symptoms or mere aphasia."

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Documentary- Reality and the Extended Mind (2 of 2)

Reality and the Extended Mind is a non-profit documentary by Adrian Nelson. As an increasing number of academics acknowledge the findings erupting from psi research, quantum mechanics and many other areas of science, thinkers are coalescing on a new description of reality.

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Lucid Awareness Gives Incredible Insight Into Human Consciousness | TruthTheory

Lucid Awareness Gives Incredible Insight Into Human Consciousness | TruthTheory | Consciousness | Scoop.it

The human capacity of self-perception, self-reflection and consciousness development are among the unsolved mysteries of neuroscience. Despite modern imaging techniques, it is still impossible to fully visualise what goes on in the brain when people move to consciousness from an unconscious state. The problem lies in the fact that it is difficult to watch our brain during this transitional change. Although this process is the same, every time a person awakens from sleep, the basic activity of our brain is usually greatly reduced during deep sleep. This makes it impossible to clearly delineate the specific brain activity underlying the regained self-perception and consciousness during the transition to wakefulness from the global changes in brain activity that takes place at the same time.

 

Scientists from the Max Planck Institutes of Psychiatry in Munich and for Human Cognitive and Brain Sciences in Leipzig and from Charite in Berlin have now studied people who are aware that they are dreaming while being in a dream state, and are also able to deliberately control their dreams. Those so-called lucid dreamers have access to their memories during lucid dreaming, can perform actions and are aware of themselves — although remaining unmistakably in a dream state and not waking up. As author Martin Dresler explains, “In a normal dream, we have a very basal consciousness, we experience perceptions and emotions but we are not aware that we are only dreaming. It’s only in a lucid dream that the dreamer gets a meta-insight into his or her state.”

 

By comparing the activity of the brain during one of these lucid periods with the activity measured immediately before in a normal dream, the scientists were able to identify the characteristic brain activities of lucid awareness.

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Friends with cognitive benefits: Mental function improves after certain kinds of socializing

Talking with other people in a friendly way can make it easier to solve common problems, a new study shows. But conversations that are competitive in tone, rather than cooperative, have no cognitive benefits.

Via Mushin
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