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ScienceDaily: Mind & Brain News |
| Preventing the long-term effects of traumatic brain injury Posted: 09 Sep 2021 11:12 AM PDT Researchers have identified a specific molecule in a part of the brain called the thalamus that plays a key role in secondary effects of traumatic brain injury, such as sleep disruption, epileptic activity, and inflammation. They also showed that an antibody treatment could prevent the development of these negative outcomes. |
| How serotonin curbs cocaine addiction Posted: 09 Sep 2021 11:12 AM PDT Contrary to common thinking, cocaine triggers an addiction only in 20% of the consumers. But what happens in their brains when they lose control of their consumption? Thanks to a recent experimental method, neuroscientists have revealed a brain mechanism specific to cocaine, which has the particularity of triggering a massive increase in serotonin in addition to the increase in dopamine common to all drugs. Indeed, serotonin acts as an intrinsic brake on the overexcitement of the reward system elicited by dopamine, the neurotransmitter that causes addiction. |
| Too much free time may be almost as bad as too little Posted: 09 Sep 2021 09:44 AM PDT As an individual's free time increases, so does that person's sense of well-being -- but only up to a point. Too much free time can be also be a bad thing, according to new research. |
| Link between ADHD and dementia across generations Posted: 09 Sep 2021 09:39 AM PDT A large study has found a link between ADHD and dementia across generations. The study shows that parents and grandparents of individuals with ADHD were at higher risk of dementia than those with children and grandchildren without ADHD. |
| Think bad news before it's delivered, new research suggests Posted: 07 Sep 2021 08:06 AM PDT Psychologists have known there's value in finding a 'silver lining,' in coaxing oneself through bad news. But there has been little consideration of whether there's a benefit to looking for those upsides in bad news before the news arrives. |
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