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October 29, 2024
by Patricia Tomasi

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New Study Looks At Dopamine And Reward Responses

October 29, 2024 08:00 by Patricia Tomasi  [About the Author]

bigstock neurotransmitter dopamine in b 285053794
A new study published in the Journal of Nature looked at how dopamine dynamics are dispensable for movement but promote reward responses. “We tested whether rapid dopamine dynamics are necessary for the behavioral functions of dopamine,” study author Pascal S. Kaeser told us. “There is conflicting literature on each dopamine function as to whether it is mediated by fast and precise signalling or by slower, tonic signaling.” [More]

December 15, 2020
by Patricia Tomasi

bigstock psychological health care conc 388598125

What Cocaine And Mice Can Tell Us About Sleep Deprivation

December 15, 2020 08:00 by Patricia Tomasi  [About the Author]

bigstock psychological health care conc 388598125
Did you know that adults need an average of seven to nine hours of sleep per day and that adolescents need eight to ten hours? According to statistics from the Institute of Medicine, American adults and teens aren’t getting enough sleep. How does lack of sleep or sleep deprivation affect our brain’s reward system? An average of 50-70 million American adults have a sleep disorder. The most common sleep disorder is insomnia. Approximately 30 per cent of American adults say they have experienced short term insomnia while 10 per cent say they experience chronic insomnia. A new study published in eNeuro looked at sleep-deprivation and rewards using mice and cocaine. [More]