To Learn by Example

A neuroscience demonstration.

At the east end of the University of Arizona’s 7.5 acre grass mall is a Carolina sphinx moth fit snug in a blue plastic tube with its insect head sticking out. Two electrodes, one placed on the left eye and the other in a tiny clear plastic tube surrounding the moth’s right antenna. The electrodes are hooked up to a portable screen that displays the measured electrical activity of the moth’s antenna. Each antenna houses a quarter million primary sensory neurons that allow the moth to sense its environment. In this case, the environment happens to be engulfed in the smoky smell of barbecued ribs coming from the BrushFire’s BBQ co. tent next door. Continue reading

Posted in by Dara Farhadi, Educators, Neuroeducation
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Marijuana Use Causes 7-Fold Increased Risk of Violent Behavior

Marijuana use and violence

New research reported in the journal Psychological Medicine, concludes that continued use of cannabis causes violent behavior as a direct result of changes in brain function that are caused by smoking marijuana over many years. Continue reading

Posted in Addiction, Brain Development, by Douglas Fields, Chemicals, Educators, In Society, Neural Network Function, Policymakers, Psychiatric Disorders, Sensing, Thinking & Behaving, Uncategorized
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Caitlyn Jenner on the July 2015 cover of Vanity Fair magazine.

Bruce Jenner and Changing Your Brain’s Sex

The debut of Bruce Jenner’s sex change on the cover of Vanity Fair was stunning, but superficial.  A deeper question than her newfound beauty is:  What about her brain?

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Posted in Brain Development, by Douglas Fields, Chemicals, Diseases & Disorders, Educators, In Society, Neural Network Function, Neuroanatomy, Psychiatric Disorders, Uncategorized
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The back of a child's head as he watches tv.

Watching TV Alters Children’s Brain Structure and Lowers IQ

From the black-and-white days of I Love Lucy to the blue-ray lasers of today’s Game of Thrones in dazzling 3D, parents have worried that television might harm their child’s brain development.  Now the answer is plain to see.  Brain imaging (MRI) shows anatomical changes inside children’s brains after prolonged TV viewing that would lower verbal IQ. Continue reading

Posted in Brain Development, by Douglas Fields, Caregivers, Childhood, Childhood Disorders, Educators, In Society, Learning and Memory, Press, Uncategorized
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