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.
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?
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.
On this episode we have Leanne Boucher from Nova Southeastern University and Nick Spitzer from UCSD. We discuss with Nick about his new discoveries recently published in Science. His article shows how certain neurons switch their neurotransmitters based on exposition of an animal to different schedules of light/dark cycles. You can view the full discussion here, it was fascinating! Continue reading