“You Don’t Have Time to Think.” Heroic Veteran Capt. Florent Groberg’s Selfless Action

 

Today it was announced that Army Capt. Florent Groberg will receive the Medal of Honor for instantly tackling a suicide bomber in a split-second reaction of self-sacrifice to save the lives of his comrades.  “You don’t have time to think.  You react,” he explains.  But how is that possible?

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Posted in Awareness and Attention, by Douglas Fields, In Society, Neural Network Function, Neuroanatomy, Senses and Perception, Sensing, Thinking & Behaving, Stress and Anxiety, Uncategorized
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What’s in Your Nightmares? The Top 5 Recurring Dreams of Adults and Kids

We spend a third of our life in a completely altered state of consciousness, indeed madness.  Dreaming is a descent into what would otherwise be a severe form of psychosis, and often these hallucinations are terrifying.  Dreams that reoccur are especially disturbing, and nearly everyone has experienced them.  A new study reveals the most common content of recurring dreams and finds very different hallucinations in the dreaming minds of adults and children.

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Posted in by Douglas Fields, Childhood, Pregnancy and Parenting, Sleep, Stress and Anxiety
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Why No One Helped

On Saturday, July 4, 2015, a horrifying bloodbath erupted before the eyes of passengers on the Red Line Metro subway train heading to Fourth of July festivities in Washington, DC. Wide-spread criticism in the press and social media erupted over the “apathetic” response of onlookers who reportedly said or did nothing to help the victim. But from the perspective of brain science, this scornful criticism is misguided.

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Posted in Awareness and Attention, by Douglas Fields, Evolution, Mood, Neural Network Function, Neuroanatomy, Psychiatric Disorders, Senses and Perception, Stress and Anxiety
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To Flee or Freeze? Neural Circuits of Threat Detection Identified

Suddenly something streaks into your peripheral vision.  Instantly, you jump back and raise your arms defensively.  “What was that!” You exclaim in shock.   Only then do you realize that the blurred streak you just dodged was a wayward basketball zinging like a missile on a collision course for your face.  A rush of adrenaline flushes through your blood setting your heart pounding and muscles twitching, but there is nothing left to do.  Your brain’s rapid response defense system has already detected the threat and avoided it before your conscious mind is even engaged.  How is that possible, scientist, Peng Cao and colleagues of the Chinese Academy of Sciences wondered?

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Posted in Animal Research, Awareness and Attention, by Douglas Fields, Cell Communication, Neuroanatomy, Psychiatric Disorders, Senses and Perception, Stress and Anxiety, Uncategorized
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Heisenberg Uncertainty and the Baltimore Riots

Yesterday I encountered a colleague outside the elevator. He was profoundly troubled, as are many, anguished by the violence in Baltimore this week. The looting, burning, and scores of injured from angry youths hurling bricks at police were sparked by the violent death of a black man, Freddie Gray, in police custody.

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Posted in by Douglas Fields, Policymakers, Sensing, Thinking & Behaving, Stress and Anxiety, Uncategorized
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Big Brain Stories of 2014

As we turn the page on 2014, here’s a list of some of the year’s highlights in neuroscience – along with a heavy dose of speculation about what they might mean for the future of the brain.

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Posted in About Neuroscience, Aging, Animal Research, Brain Basics, Brain Development, by Dwayne Godwin, Childhood, Degenerative Disorders, Diet and Exercise, Diseases & Disorders, Epilepsy, Movement Disorders, Neuroeconomics, Policymakers, Sensing, Thinking & Behaving, Sleep, Stress and Anxiety, Technologies
Posted by Dwayne Godwin        2 Comments