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ScienceDaily: Nyt om Mind & Brain

Udgiv indhold Mind & Brain News -- ScienceDaily
Learn about migraine headache symptoms and treatment. Read the latest research on the various types of headaches such as migraine headaches, sinus headaches, and cluster headaches, among others. Find out the causes of headaches and how to get relief.
Opdateret: 8 min 46 sec siden

Devices or divisive: Mobile technology in the classroom

16 hours 9 min siden
Little is known about what teachers think about how mobile technology in the classroom will affect the development of students' non-cognitive skills, such as empathy, self-control, problem solving, and teamwork.
Kategorier: Hjernen

Telling the time of day by color

fre, 04/17/2015 - 19:52
New research has revealed that the color of light has a major impact on how the brain clock measures time of day and on how the animals' physiology and behavior adjust accordingly. The study, for the first time, provides a neuronal mechanism for how our internal clock can measure changes in light color that accompany dawn and dusk.
Kategorier: Hjernen

Protecting students from homophobic bullying

fre, 04/17/2015 - 19:52
Students who are bullied because of sexual orientation have willing defenders among their classmates -- motivated by leadership, courage, their beliefs in justice, altruism and having lesbian, gay, bisexual, and transgender friends, according to a new study.
Kategorier: Hjernen

Artificial blood vessel lets researchers better assess clot removal devices

fre, 04/17/2015 - 19:50
An in vitro, live-cell artificial vessel has been created that can be used to study both the application and effects of devices used to extract life-threatening blood clots in the brain. The artificial vessel could have significant implications for future development of endovascular technologies, including reducing the need for animal models to test new devices or approaches.
Kategorier: Hjernen

Text messages a good way to support mothers with postpartum depression

fre, 04/17/2015 - 17:19
New research explores the feasibility of helping low-income mothers through postpartum depression using text messages. The objective of the study was to evaluate the feasibility of sending supportive text messages to low-income mothers of racial and ethnic minority backgrounds with postpartum depression and gauge the perception of receiving such message for depression.
Kategorier: Hjernen

Study links brain anatomy, academic achievement, and family income

fre, 04/17/2015 - 17:19
Many years of research have shown that for students from lower-income families, standardized test scores and other measures of academic success tend to lag behind those of wealthier students. A new study offers another dimension to this so-called "achievement gap": After imaging the brains of high- and low-income students, they found that the higher-income students had thicker brain cortex in areas associated with visual perception and knowledge accumulation. Furthermore, these differences also correlated with one measure of academic achievement -- performance on standardized tests.
Kategorier: Hjernen

Two drugs reduce teacher-rated anxiety, in addition to ADHD, aggression

fre, 04/17/2015 - 17:18
The addition of risperidone to parent training and a stimulant also improves teachers’ assessments of anxiety and social avoidance, new research shows. Improvement in teacher-rated anxiety and social withdrawal also contributed to improvements in parent-rated disruptive behavior. Children who showed reduced anxiety also showed less disruptive behavior.
Kategorier: Hjernen

Diabetes perceptions vary according to risk factors, researchers find

fre, 04/17/2015 - 16:06
Differing perceptions among adult populations at-risk for diabetes have been uncovered by researchers, which may offer new approaches to diabetes education and prevention. Illness perceptions, the organized cognitive representations and beliefs that people hold about a condition, are recognized as important determinants of self-care behaviors and outcomes in patients. The way that people mentally represent their conditions has a concrete effect on the way that they manage these conditions and therefore on their prognoses.
Kategorier: Hjernen

Smoking and mother's genetics combine to increase likelihood of twins

fre, 04/17/2015 - 15:37
African American mothers who smoke and have a genetic profile that includes a single nucleotide polymorphism, SNP, of the TP53 gene have an increased likelihood of having twins, concluded a team of researchers.
Kategorier: Hjernen

New studies about endovascular therapy for stroke represent paradigm shift

fre, 04/17/2015 - 15:37
An expert who writes an accompanying editorial for five studies about endovascular stroke therapy published simultaneously in the New England Journal of Medicine says these randomized clinical trials represent a breakthrough in showing the benefits of endovascular therapy for acute ischemic strokes.
Kategorier: Hjernen

How to develop healthy eating habits in a child: Start early and eat your vegetables

fre, 04/17/2015 - 15:34
A healthy diet promotes success in life -- better concentration and alertness, better physical health that translates into good mental and emotional health.
Kategorier: Hjernen

Effectiveness of new stroke treatment confirmed

fre, 04/17/2015 - 13:54
A research paper confirms earlier findings that a procedure called endovascular therapy for ischemic stroke is the best treatment option for many patients by reducing the incidents of disability. This is the fourth research paper published this year that confirms the efficacy of the treatment.
Kategorier: Hjernen

Young women objectify themselves more browsing Facebook, magazines than media types

fre, 04/17/2015 - 13:54
Though it is widely believed that the media objectifies women, women further diminish themselves by constantly comparing their bodies to others. Regardless of how much time young women devote to viewing television, music videos and using the internet, they will compare their appearances more frequently to photos in magazines and on Facebook, finds a new article.
Kategorier: Hjernen

Smokers underestimate risks of a few cigarettes

fre, 04/17/2015 - 13:54
Many people still dangerously underestimate the health risks associated with smoking even a few cigarettes a day, despite decades of public health campaigning, researchers report. "People who smoke very much tend to underestimate their risks," an investigator said, "and it makes me think that 'denial' is still prevalent. As an oncologist and tobacco control advocate, it amazes me and strikes me as so unfortunate that such lack of knowledge is so prevalent."
Kategorier: Hjernen

Self-affirmations may calm jitters, boost performance

fre, 04/17/2015 - 13:54
Individuals in positions of low power perform worse under pressure, relative to those in positions of high power. However, new research shows that self-affirmations can effectively reduce the power differences.
Kategorier: Hjernen

Cognitive problems are common after cardiac arrest

fre, 04/17/2015 - 13:52
Half of all patients who survive a cardiac arrest experience problems with cognitive functions such as memory and attention, a major international study shows. Surprisingly, however, a control group comprising heart attack patients had largely the same level of problems. This suggests that it is not only the cardiac arrest and the consequent lack of oxygen to the brain that is the cause of the patients’ difficulties.
Kategorier: Hjernen

Nothing beats a good night's sleep for helping people absorb new information, new research reveals

fre, 04/17/2015 - 13:52
Researchers have found that successful long-term learning happens after classroom teaching, after the learners have slept on the new material.  
Kategorier: Hjernen

Cardiorespiratory fitness reduces disease risk among smokers

fre, 04/17/2015 - 13:50
Cardiorespiratory fitness is associated with reduced metabolic syndrome risk among smokers, according to researchers. Smoking is estimated to cause 443,000 deaths each year in the United States, primarily from cancer, cardiovascular diseases and respiratory disease, according to the Centers for Disease Control and Prevention.
Kategorier: Hjernen

Game-changer for stroke treatment: Better function after stroke if clots removed

fre, 04/17/2015 - 13:50
Patients with severe strokes had far better outcomes when they were treated using not only a drug to dissolve the blood clot causing the stroke, but also with a procedure to grab, dislodge and remove the clot, according to an international study.
Kategorier: Hjernen

New genomics tool could help predict tumor aggressiveness, treatment outcomes

fre, 04/17/2015 - 00:27
A new method for measuring genetic variability within a tumor might one day help doctors identify patients with aggressive cancers that are more likely to resist therapy, according to a study. Researchers used a new scoring method they developed called MATH (mutant-allele tumor heterogeneity) to measure the genetic variability among cancer cells within tumors from 305 patients with head and neck cancer. High MATH scores corresponded to tumors with many differences among the gene mutations present in different cancer cells.
Kategorier: Hjernen