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Olympic Gold for Brainwave Performance

Whether or not a competitor stands on the podium wearing an Olympic metal can depend on a thousandth of a second difference in finishing time.  Greater physical performance may not be what separate winners from losers when the margin is that close.  Instead, it can be something beyond the competitor’s will–brainwaves.

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Posted in by Douglas Fields, Movement, Neural Network Function, Press, Sensing, Thinking & Behaving
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Alex Honnold climbing without a rope

No Fear

In an interesting article in the magazine Nautilus, J.B. MacKinnon, reports that a brain scan (fMRI) of free solo climber, Alex Honnold’s brain explains why he is so willing to risk his life to climb rocks without a rope.  The fear circuitry in his brain is dysfunctional.

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Posted in Awareness and Attention, by Douglas Fields, Neural Network Function, Neuroanatomy, Neuroethics, Psychiatric Disorders, Senses and Perception, Stress and Anxiety
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Are FMRI Data Analysis Methods Reliable?

There’s been a lot of discussion on social media of a recent paper in PNAS by Anders Eklund, Tom Nichols, and Hans Knutsson.
Cluster failure: Why fMRI inferences for spatial extent have inflated false-positive rates
Even Science magazine felt they needed to address it. What is this fuss all about?

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Posted in by Mark Reimers, Technologies, Uncategorized
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RayAkyroyd

Ectoplasm–Ghostbusters to spooky twitching nerves

“He slimed me!”  Venkman spits out in disgust, writhing in sticky ectoplasm in a memorable scene from the 1984 movie Ghostbusters.

Ectoplasm, the mysterious stuff of the supernatural world, also makes nerve axons twitch every time they fire, but almost nobody talks about it.

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Posted in by Douglas Fields, Cell Communication
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