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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: 7 min 13 sec siden

Blood pressure medications can lead to increased risk of stroke

12 hours 31 min siden
The importance of preventing hypertension is reinforced by a study showing anti-hypertension medicines can increase stroke risk by 248 percent, according to new research.
Kategorier: Hjernen

A patient's budding cortex -- in a dish? Networking neurons thrive in 3-D human 'organoid'

fre, 05/29/2015 - 19:47
Scientists have perfected mini cultured 3-D structures that grow and function much like the outer mantle -- the key working tissue, or cortex -- of the brain of the person from whom they were derived. Strikingly, these 'organoids' buzz with neuronal network activity. Cells talk with each other in circuits, much as they do in our brains.
Kategorier: Hjernen

Pembrolizumab shows real promise against head and neck cancer, study suggests

fre, 05/29/2015 - 19:47
Immunotherapy with the anti-PD-1 antibody pembrolizumab decreased the size of tumors by 30 percent or more in 24.8 percent of 132 patients with recurrent or metastatic head and neck cancer. That's nearly twice as effective as the current preferred treatment.
Kategorier: Hjernen

Alzheimer's culprit causes memory loss even before brain degeneration

fre, 05/29/2015 - 18:18
A brain protein believed to be a key component in the progress of dementia can cause memory loss in healthy brains even before physical signs of degeneration appear, according to new research.
Kategorier: Hjernen

Social work researchers create easier, accurate way to analyze TSCC trauma results

fre, 05/29/2015 - 18:18
A social work research team has proposed and tested an alternative method to using the Trauma Symptoms Checklist for Children in assessing trauma in children -- especially those in the juvenile justice system.
Kategorier: Hjernen

Migraine surgery for teens: Good results in initial experience

fre, 05/29/2015 - 18:18
As in adults, migraine surgery is effective for selected adolescent patients with severe migraine headaches that don't respond to standard treatments, reports a new study.
Kategorier: Hjernen

Restricting firearms access for people who misuse alcohol may prevent violence

fre, 05/29/2015 - 15:11
Restricting access to firearms for people who misuse alcohol could prevent firearm violence, but policies that more clearly define alcohol misuse should be developed to facilitate enforcement, according to a review of existing research and public policies.
Kategorier: Hjernen

Inmates denied methadone treatment less likely to seek it once free

fre, 05/29/2015 - 13:35
When people on methadone maintenance treatment (MMT) are incarcerated in the United States, they are almost always forced off of the addiction-controlling medicine. In a randomized trial, inmates allowed to stay on MMT while in jail proved much more likely to seek treatment after release than those whose treatment was interrupted.
Kategorier: Hjernen

Parental smoking puts nearly half a million UK children into poverty

fre, 05/29/2015 - 13:35
Smoking is not only bad for your health; it also puts 400,000 children in poverty in the UK alone. Smoking places a financial burden on low income families, suggesting that parents are likely to forgo basic household and food necessities in order to fund their addiction.
Kategorier: Hjernen

Impulsivity linked to binge eating

tor, 05/28/2015 - 21:31
Do you get impulsive when you're upset? If so, this could be putting you at risk for binge eating. The more impulsive you are, the more likely it is you'll binge eat when experiencing negative feelings.
Kategorier: Hjernen

Parents feel racial socialization may help minority children succeed in school

tor, 05/28/2015 - 21:31
A connection between certain approaches to racial socialization in early childhood and parents' expectations for greater success in school has been uncovered by a new study. The researchers organized 16 focus groups involving 114 parents of children four years of age and younger from several ethnicity-language groups. Parents participating in the study felt that racial socialization in early childhood promotes school readiness, but were unsure of the best timing and particular approach for success.
Kategorier: Hjernen

News may influence racial bias

tor, 05/28/2015 - 21:31
A recent study suggests that long-term exposure to news may negatively influence racial bias towards social groups.
Kategorier: Hjernen

As people non-consciously categorize others by political affiliation, they ignore race, but not age or gender

tor, 05/28/2015 - 21:31
Beatles versus Rolling Stones. Ironman versus the Incredible Hulk. Deep dish versus thin crust. Such differences of opinion among family and friends rarely end in serious squabbles. Let the conversation turn to political parties, however, and lively disagreements can become downright ugly. Why is it that even among the people we care about most, differences in political affiliation often result in awkwardness and discomfort, and pushed far enough, can feel like a threat to the entire relationship?
Kategorier: Hjernen

Even when we're resting, our brains are preparing us to be social

tor, 05/28/2015 - 21:31
Our brains are wired to prepare us, during quiet moments, to be socially connected to other people, neuroscientists report. Facebook is aligned with the state of our brains at rest -- which can explain why it's such a popular activity when we want to take a break.
Kategorier: Hjernen

Brain training induces lasting brain, mental health gains for veterans, civilians with brain injury

tor, 05/28/2015 - 20:36
In the first study of its kind, veterans and civilians with traumatic brain injury showed improved cognitive performance and psychological and neural health following strategy-based cognitive training. The study was conducted by an interdisciplinary team of cognitive neuroscientists, rehabilitation specialists, and neuroimaging experts.
Kategorier: Hjernen

Implicit social biases made to drop away during sleep

tor, 05/28/2015 - 19:29
Can we learn to rid ourselves of our implicit biases regarding race and gender? A new study indicates that sleep may hold an important key to success in such efforts. Building on prior research, investigators aimed to find out whether learning to alter habitual reactions to other people could be enhanced during sleep.
Kategorier: Hjernen

Scientists retrieve lost memories using optogenetics

tor, 05/28/2015 - 19:28
Researchers have found that memories that have been 'lost' as a result of amnesia can be recalled by activating brain cells with light. They reactivated memories that could not otherwise be retrieved, using a technology known as optogenetics.
Kategorier: Hjernen

How sleep helps us learn and memorize

tor, 05/28/2015 - 19:28
Sleep is important for long lasting memories, particularly during this exam season. New research suggests that sleeping triggers the synapses in our brain to both strengthen and weaken, which prompts the forgetting, strengthening or modification of our memories in a process known as long-term potentiation.
Kategorier: Hjernen

Protecting women from multiple sclerosis

tor, 05/28/2015 - 17:45
An innocent mistake made by a graduate student in a lab who accidentally used male mice instead of female mice during an experiment, has led scientists to a novel discovery that offers new insight into why women are more likely than men to develop autoimmune diseases such as multiple sclerosis.
Kategorier: Hjernen

Brain circuit that controls decisions that induce high anxiety identified

tor, 05/28/2015 - 17:44
Some decisions arouse far more anxiety than others. Among the most anxiety-provoking are those that involve options with both positive and negative elements, such choosing to take a higher-paying job in a city far from family and friends, versus choosing to stay put with less pay.
Kategorier: Hjernen