How the Neurotoxin in Dungeness Crab Causes Brain Damage

The California Fish and Game Commission has banned crab fishing until further notice after detecting high levels of a neurotoxin in Dungeness and rock crabs. The toxin, domoic acid, is produced by certain types of planktonic algae, and it becomes concentrated in tissue of crabs and other marine organisms during plankton blooms. People who consume sufficient quantities of the toxin develop amnesic shellfish poisoning, so named because it kills neurons in a part of the brain that is critical for memory. Here’s how it works.

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Posted in Animal Research, by Douglas Fields, Cell Communication, Chemicals, Diet and Exercise, Diseases & Disorders, Epilepsy, Learning and Memory, Policymakers, Uncategorized
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Alzheimer’s Disease—America’s Tsunami

 

WASHINGTON, D.C.– Amidst a tempest of election season political turbulence, a wave of bipartisan unity is rising in support of biomedical research, according to two US Senators speaking on Tuesday at an Alzheimer’s disease forum in Washington D.C., organized by AtlanticLIVE. “Every one of us knows how vulnerable we are,” says Senator Dick Durbin, D-IL. Continue reading

Posted in by Douglas Fields, Caregivers, Degenerative Disorders, Diseases & Disorders, In Society, Policymakers, Press
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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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What Color is Distress?

Social media has been on fire with a debate – not over ISIS, healthcare or global warming – but over the perceived color of a dress. The dress provides a unique opportunity to consider two big questions at the interface of philosophy, neuroscience and psychophysics: is there an objective reality, and do we all experience it the same way? You may see the dress differently when you see it next.

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Posted in Aging, Awareness and Attention, by Dwayne Godwin, Childhood, Evolution, Neural Network Function, Neuroeducation, Policymakers, Press, Senses and Perception, Technologies, Uncategorized
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