Organic Chemicals: News and Research on Biogenic Monoamines

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How a flash of light could help the brain learn new skills

A new University of Otago—Ōtākou Whakaihu Waka-led study has put its own spin on Pavlov's dog experiment, shining a light on how our brain learns new things. The study, "The superior colliculus gates dopamine responses to ...

Lower dopamine may drive teen risk-taking that fades with age

Teenage risk-taking, such as experimentation with alcohol, cannabis, nicotine and other substances, may reflect a compensatory response to lower baseline dopamine, the brain chemical for reward activity, a new University ...

Mathematical modeling tackles the human psychedelic experience

Psychedelic drug experiences are among the most fascinating but mysterious journeys of the human mind. Long the domain of indigenous shamans and modern "psychonauts" who seek self-discovery, the sensory-rich experiences often ...

Naloxone use during cardiac arrest linked to improved survival

A new study by emergency medicine researchers at UC Davis Health set out to assess the effects of naloxone administration by first responders treating patients with out-of-hospital cardiac arrest (OA-OHCA). The study, published ...

The bigger the reward, the faster we learn, researchers find

Scientists long assumed that learning speed depends primarily on our experience—how many times we try and succeed—not the size of the reward. We become better at poker because we keep playing and winning, regardless of the ...

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