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ScienceDaily: Mind & Brain News |
| Protein from the liver may cause Alzheimer's disease in the brain, study finds Posted: 14 Sep 2021 12:25 PM PDT Amyloid protein made in the liver can cause neurodegeneration in the brain, according to a new study. Since the protein is thought to be a key contributor to development of Alzheimer's disease (AD), the results suggest that the liver may play an important role in the onset or progression of the disease. |
| LSD-triggered altered behaviors linked to abnormal brain communication Posted: 14 Sep 2021 08:13 AM PDT Researchers have discovered changes in the brain, triggered by LSD, that may explain the profound altered behavior associated with LSD, helping to understand how the brain generates behavior. |
| Scientists pinpoint the uncertainty of our working memory Posted: 14 Sep 2021 08:12 AM PDT The human brain regions responsible for working memory content are also used to gauge the quality, or uncertainty, of memories, a team of scientists has found. Its study uncovers how these neural responses allow us to act and make decisions based on how sure we are about our memories. |
| People synchronize heart rates while listening attentively to stories Posted: 14 Sep 2021 08:12 AM PDT People often unconsciously synchronize bodily functions like heartbeat and breathing when they share an experience, such as a live performance or have a personal conversation. According to a new study, subjects' heart rates synchronize even if they are just listening to a story by themselves, and this synchronization only occurs when the subjects are paying attention to the story. |
| Body clock off-schedule? Prebiotics may help Posted: 14 Sep 2021 07:00 AM PDT A new study suggests simple dietary compounds known as prebiotics, which serve as food for beneficial gut bacteria, could play an important role in helping us bounce back faster from jet lag, shift work or other sources of circadian rhythm disruption. |
| Researchers shed new light on molecular mechanisms in brain diseases Posted: 13 Sep 2021 10:58 AM PDT Rutgers researchers have discovered some of the first molecular insights into how toxic proteins are regulated in neurodegenerative diseases such as Alzheimer's and Parkinson's. |
| Elevated stress hormones linked to higher risk of high blood pressure and heart events Posted: 13 Sep 2021 10:57 AM PDT In a study of more than 400 adults with normal blood pressure, those who had high levels of stress hormones detected in their urine were more likely to develop high blood pressure over the next 6-7 years. Higher levels of the stress hormone cortisol were also linked to an increased risk of cardiovascular events, including heart attack and stroke. |
| Creative exploration followed by exploitation can lead to a career’s greatest hits Posted: 13 Sep 2021 10:57 AM PDT By using artificial intelligence to mine big data related to artists, film directors and scientists, researchers have found that years of exploration (studying diverse styles or topics) immediately followed by years of exploitation (focusing on a narrow area to develop deep expertise) can lead to a career's greatest hits. |
| Men may sleep worse on nights during the first half of the lunar cycle Posted: 13 Sep 2021 10:56 AM PDT Men's sleep may be more powerfully influenced by the lunar cycle than women's, according to a new study. |
| Uncertainty on climate change in textbooks linked to uncertainty in students Posted: 13 Sep 2021 10:56 AM PDT A new study suggests textbook wording that portrays climate change information as uncertain can influence how middle and high school students feel about the information, even for students who say they already know about climate change and its human causes. |
| Brain molecule helps 'wake up' cells that could help tackle MS and similar diseases Posted: 09 Sep 2021 11:13 AM PDT An immunological molecule called fractalkine can boost the production of brain cells that produce myelin, a key factor in diseases such as multiple sclerosis, according to recent research. |
| Discovery about cells' 'batteries' boosts battle against many diseases Posted: 09 Sep 2021 09:44 AM PDT A top exercise researcher reveals how our bodies ensure the proper functioning of the powerhouses of our cells. The findings could open the door to better treatments for many common diseases, including Alzheimer's and diabetes. |
| Socializing may improve older adults’ cognitive function in daily life Posted: 09 Sep 2021 09:43 AM PDT Researchers found that when adults between the ages of 70 and 90 reported more frequent, pleasant social interactions, they also had better cognitive performance on that day and the following two. |
| Study explores why asthma worsens at night Posted: 06 Sep 2021 12:14 PM PDT For hundreds of years, people have observed that asthma severity often worsens in the nighttime. One longstanding question has been to what degree the body's internal circadian clock -- as opposed to behaviors, such as sleep and physical activities -- contributes to worsening of asthma severity. |
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