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ScienceDaily: Mind & Brain News |
| One and done: Researchers urge testing eyewitness memory only once Posted: 03 Nov 2021 03:12 PM PDT Psychological scientists and criminologists say our system of jurisprudence needs a simple no-cost reform -- switch to testing eyewitnesses for their memory of suspects only once. |
| Study links gene to cognitive resilience in the elderly Posted: 03 Nov 2021 12:08 PM PDT Researchers have discovered that environmental enrichment appears to activate a protein called MEF2, which controls a genetic program in the brain that promotes resilience to cognitive decline. |
| Combining two ‘old therapies’ packs a powerful punch against pediatric brain tumors Posted: 03 Nov 2021 12:03 PM PDT Copper has been clinically improving the lives of people since about 1500 BCE, when an Egyptian physician first recorded its use as a treatment for inflammation. Some 35 centuries later, researchers have provided solid evidence that the first metal used medicinally may now have a new role -- helping save children from a devastating central nervous system cancer known as medulloblastoma. |
| Bilingualism comes naturally to our brains Posted: 03 Nov 2021 11:01 AM PDT The brain uses a shared mechanism for combining words from a single language and for combining words from two different languages, a team of neuroscientists has discovered. Its findings indicate that language switching is natural for those who are bilingual because the brain has a mechanism that does not detect that the language has switched, allowing for a seamless transition in comprehending more than one language at once. |
| Brain reveals the risk for developing obesity Posted: 03 Nov 2021 08:54 AM PDT Obesity risk factors of family background are associated with changes in the brain function, finds a new study. The results show that the function of neural networks regulating satiety and appetite is altered already before a person develops obesity. |
| When building rapport, sometimes less is more Posted: 03 Nov 2021 08:54 AM PDT Sometimes less is more, at least when it comes to building rapport during interviews. That's according to new research which reveals that verbal interviewing techniques have a greater impact than nonverbal techniques -- and combining the two had a detrimental effect. |
| Our brains may think two steps ahead when trying to sway others Posted: 03 Nov 2021 08:54 AM PDT In an effort to understand how a sense of control over others may influence the brain's decision-making processes, researchers have tested the ability of healthy human subjects to play a bargaining game. For the first time, they found that people used "forward thinking" when trying to sway others. Forward thinking happened regardless of whether the subjects could actually influence others and appeared to be driven by neural activity in a well-known decision-making center of the brain. |
| Insomnia may be a risk factor for highly fatal brain aneurysm rupture Posted: 03 Nov 2021 05:26 AM PDT Researchers identified insomnia as a potential risk factor for brain aneurysm, also called an intracranial aneurysm, and a type of stroke called an aneurysmal subarachnoid hemorrhage. Smoking and high blood pressure, which are identified stroke risk factors, were also associated with increased risk for brain aneurysm. According to researchers, the finding that insomnia may be a potential risk factor for intracranial aneurysm is new and calls for additional research. |
| Lithium imaging method could shine new light on bipolar disorder, treatment Posted: 03 Nov 2021 05:26 AM PDT Since 1949, lithium has been a mainstay for treating bipolar disorder (BD), a mental health condition marked by extreme mood swings. But scientists still don't have a clear understanding of how the drug works, or why some patients respond better than others. Now, researchers have developed a method for imaging lithium in living cells, allowing them to discover that neurons from BD patients accumulate higher levels of lithium than healthy controls. |
| Deep brain stimulation surgery for treatment-resistant depression: Brain rhythm changes fast Posted: 02 Nov 2021 06:01 PM PDT Findings provide a putative physiological biomarker of brain state changes that can predict early antidepressant effects. |
| Drinking alcohol to stay healthy? That might not work, says new study Posted: 02 Nov 2021 11:06 AM PDT Increased mortality risk among current alcohol abstainers might largely be explained by other factors, including previous alcohol or drug problems, daily smoking, and overall poor health, according to a new study. |
| Lack of sleep affecting students’ mental health especially women Posted: 02 Nov 2021 08:11 AM PDT More than two thirds (65.5%) of students are experiencing poor sleep quality and this is linked to mental health problems, new research suggests. |
| Abnormal brain changes over time with bipolar disorder Posted: 02 Nov 2021 06:34 AM PDT Bipolar disorder (BD) is a debilitating psychiatric disorder characterized by fluctuating periods of depression and mania. Researchers have long suspected that BD may be accompanied by abnormal structural and functional changes in the brain. Small cross-sectional brain imaging studies of people with BD have shown hints at those changes, but the ability to interpret data collected at a single timepoint is limited. Now, a multi-center longitudinal study shows aberrant changes over time in the brains of people with BD. Some changes were specifically associated with more episodes of mania. |
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