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ScienceDaily: Mind & Brain News |
| Even when they include them, gifted programs aren't serving Black or low-income kids Posted: 10 May 2021 01:15 PM PDT The first nationwide study of outcomes for different gifted subgroups shows the programs may not be adequately serving their Black and low-income students. |
| For twins, gesture and speech go hand-in-hand in language development Posted: 10 May 2021 01:14 PM PDT Twins produce fewer gestures and gesture to fewer objects than other children. Language use also lags for twins, and language -- but not gesture -- is also affected by sex, with girls performing better than boys. |
| Implanted wireless device triggers mice to form instant bond Posted: 10 May 2021 08:35 AM PDT Researchers have wirelessly programmed -- and then deprogrammed -- mice to socially interact with one another in real time. The advancement is thanks to an ultraminiature, wireless, battery-free and fully implantable device that uses light to activate neurons. |
| Diagramming the brain with colorful connections Posted: 10 May 2021 08:35 AM PDT BARseq2 is a new brain mapping technique that can identify cells by the unique sets of genes they use. Neuroscientists can use this tool to understand how brain cells are organized and connected. |
| Long-term stress in dogs linked to the owner-dog relationship Posted: 10 May 2021 08:35 AM PDT The relationship a dog has with its owner is related to its stress level. This is the conclusion of a newly published study. The results also suggest that the link between stress and the owner's personality traits differs between dog breeds. |
| Prenatal exposure to famine heightens risk for later being overweight Posted: 10 May 2021 07:44 AM PDT An analysis of historical medical records found that men who were prenatally exposed during early gestation to the Dutch famine of 1944-1945 were 30 percent more likely to be overweight with a Body Mass Index of 25 or over at age 19, compared to a similar group not exposed to the famine. |
| New finding suggests cognitive problems caused by repeat mild head hits could be treated Posted: 10 May 2021 07:43 AM PDT A neurologic pathway by which non-damaging but high frequency brain impact blunts normal brain function and causes long-term problems with learning and memory has been identified. The finding suggests that tailored drug therapy can be designed and developed to reactivate and normalize cognitive function, say neuroscientists. |
| Meaningful movies help people cope with life's difficulties Posted: 10 May 2021 07:43 AM PDT Watching meaningful films - those that we find moving and poignant - can make us feel more prepared to deal with life's challenges and want to be a better person, a new study found. The findings point to one reason why people may choose to see movies that make them sad as well as happy and that may explore difficult subjects that aren't always uplifting. |
| Reaching your life goals as a single-celled organism Posted: 10 May 2021 07:43 AM PDT How is it possible to move in the desired direction without a brain or nervous system? Single-celled organisms apparently manage this feat without any problems: for example, they can swim towards food with the help of small flagellar tails. A research team has now been able to simulate this process on the computer. |
| Managing children's weight, blood pressure and cholesterol protects brain function mid-life Posted: 10 May 2021 05:58 AM PDT Having high blood pressure, high cholesterol and/or obesity from childhood through middle age were linked to poorer brain function by middle age. These cardiovascular risk factors were linked with low memory, learning, visual processing, attention span, and reaction and movement time. Strategies to prevent heart disease and stroke should begin in childhood to promote better brain health by middle age. |
| Serotonin transporters increase when depression fades Posted: 10 May 2021 05:58 AM PDT Low levels of serotonin in the brain are seen as a possible cause of depression and many antidepressants act by blocking a protein that transports serotonin away from the nerve cells. A brain imaging study now shows that the average level of the serotonin transporter increased in a group of 17 individuals who recovered from depression after cognitive behavioral therapy. |
| Research results challenge a decades-old mechanism of how we hear sounds Posted: 10 May 2021 05:58 AM PDT Researchers have made several discoveries on the functioning mechanisms of the inner hair cells of the ear, which convert sounds into nerve signals that are processed in the brain. The results challenge the current picture of the anatomical organization and workings of the hearing organ, which has prevailed for decades. |
| Smartphone breath alcohol testing devices vary widely in accuracy Posted: 09 May 2021 12:38 PM PDT The latest generation of personal alcohol breath testing devices pair with smartphones. While some of these devices were found to be relatively accurate, others may mislead users into thinking that they are fit to drive, according to a new study. |
| How proteins control information processing in the brain Posted: 09 May 2021 12:38 PM PDT A complicated interaction between different proteins is needed for information to pass from one nerve cell to the next. Researchers have now managed to study this process in the synaptic vesicles, which play an important role in this process. |
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