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Latest news from Science Daily
Unlocking the science of sleep: How rest enhances language learning
Sleep is critical for all sorts of reasons, but a team of international scientists has discovered a new incentive for getting eight hours of sleep every night: it helps the brain to store and learn a new language.
Boosting brain's waste removal system improves memory in old mice
Aging compromises the lymphatic vessels surrounding the brain, disabling waste drainage from the brain and impacting cognitive function. Researchers boosted lymphatic vessel integrity in old mice and found improvements in their memory compared with old mice without rejuvenated lymphatic vessels.
Dyslexia genetics linked to brain structure
Dyslexia is a common learning difficulty in which genes often play a role. How do genes associated with dyslexia relate to brain structure in the general population? In a large-scale study, a team of scientists found that genetic variants that increase the chance of dyslexia were associated with differences in brain areas involved in motor coordination, vision, and language.
Could online technology be a clue as to why boys in Norway are outperforming girls in learning English as a second language?
Bucking conventionality, boys in Norway are making early gains in reading English as a second language and even outperforming girls at age 10 and 13 -- a new a study of more than one million students suggests.
Worm study shows hyperactivated neurons cause aging-related behavioral decline
Researchers found that excessively activated neurons over time, rather than decreased neuronal activity, cause aging-related decline in brain function in nematodes.
Scientists discover brain mechanism that helps us overcome fear
Researchers have unveiled the precise brain mechanisms that enable animals to overcome instinctive fears. The study in mice could have implications for developing therapeutics for fear-related disorders such as phobias, anxiety and post-traumatic stress disorder (PTSD).
Toddlers understand concept of possibility
Children too young to know words like 'impossible' and 'improbable' nonetheless understand how possibility works, finds new work with two- and three-year-olds. The findings demonstrate that young children distinguish between improbable and impossible events, and learn significantly better after 'impossible' occurrences.
Novel research shows brain connections can predict future substance use in adolescents
Adolescent substance use is a significant predictor of future addiction and related disorders. Understanding neural mechanisms underlying substance use initiation and frequency during adolescence is critical for early prevention and intervention. A novel study shows that by tracking year-to-year changes in brain connectivity underlying cognitive control, the ability to flexibly use goals to guide behavior and overcome habitual responses, data can predict when an adolescent is at high risk of starting to use substances, an important message for early prevention.
Don't let this stress you out
Having one traumatic experience is bad enough. If you've constantly experienced stress since before birth, you may be in for an especially tough time. Our emotions may be influenced by infections experienced in the mother's womb. This can result from two-hit stress, where an infection during pregnancy is followed by social stress during postpartum development. A team of researchers recently set out to understand the mechanisms behind which two-hit stress contributes to brain dysfunction and mental disorders.
Electroencephalography may help guide treatments for language disorders
Electroencephalography (EEG) may offer a more accessible alternative to functional magnetic resonance imaging (fMRI) for guiding transcranial direct current stimulation (tDCS) when treating aphasia. Researchers found an 80% agreement between EEG and fMRI in identifying brain regions activated during language tasks. Furthermore, EEG-guided tDCS improved picture-naming speed in participants, indicating its potential for innovative therapies in language disorders.
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