Ancient DNA Shows All Europeans Were Once Descended From Belgians. Ancient DNA left over from the last ice age shows that all Europeans, at one time, were descended from early humans living in Belgium.
Analysis of genomes also suggested our distant ancestors underwent significant evolutionary changes during the Ice Age and a few thousand years following that frigid era. A total of 51 genetic samples were examined in the latest study, a vast improvement in understanding compared with the four examples available previous to now. Temperatures began to warm in Europe roughly 19,000 years ago, freeing the continent of widespread ice sheets. As the frozen cover receded, human populations from modern-day Spain migrated toward the north. Levels of Evidence - Evidence Based Medicine - Research and Subject Guides at University of Illinois at Chicago. Is All Evidence C reated Equal?
The medical literature is immense, but only a small portion of it is immediately useful in answering clinical questions. The literature reports the whole spectrum of the scientific research process -- the long journey from in-vitro studies to double-blind randomized controlled trials. Body Language. Resilio. Habit Change. La créativité: 18 choses que les gens créatifs font différemment des autres. CERVEAU - La créativité opère de manière mystérieuse et souvent paradoxale.
La pensée créative est une caractéristique stable qui définit certaines personnalités, mais elle peut aussi changer en fonction du contexte. On a souvent l’impression que l’inspiration et les idées naissent de nulle part et qu’elles disparaissent au moment où on a le plus besoin d’elles. La pensée créative nécessite une cognition complexe qui est néanmoins complètement différente du processus de réflexion. La neuroscience nous propose une image très complexe de la créativité. Tels que les scientifiques le comprennent aujourd’hui, la créativité est bien plus complexe que la distinction entre les parties droite et gauche du cerveau nous aurait laissé penser (en théorie, le cerveau gauche serait rationnel et analytique tandis que le cerveau droit serait créatif et émotionnel).
Lire aussi:» 7 choses que les gens calmes font différemment des autres » 10 choses que les employés productifs font différemment des autres. Optimisme: een sterkte of zwakte? SeniorenNet. Esoterica » Blog Archive » Seven Days With Depression. I’d been meaning to try out a new illness ever since the crazy times I had on the Norovirus, so when I was offered a week’s trial of depression I jumped at the opportunity.
I’d never tried a mental illness before and was curious to see how it compared to the physical kind. As only 1 in 4 people have suffered with a mental health problem I was looking forward to being part of an elite group, and had many questions about the experience. Would my illness be apparent to those around me? Would it garner sympathy like a broken leg, or make people tactfully avoid me like when I have something contagious?
Serotonin map of brain could lead to better targeted antidepressants. Research that aims to map the activity of serotonin in the brain could revolutionise the use of antidepressants and behavioural therapy for people with mental illnesses.
The neurotransmitter serotonin has long been associated with mood, with drugs that boost the chemical in the brain helping to alleviate the symptoms of common illnesses such as depression and anxiety, but scientists lack a deep understanding of how it mediates different mood disorders. By understanding the biology of serotonin, the hope is that drugs can be created that only target cells relevant to a particular disorder and behavioural therapies can be made more effective, reducing the need for antidepressants. Dr Jeremiah Cohen, an assistant professor at the Johns Hopkins Brain Science Institute in Baltimore, said: “The ultimate aim is to understand the biology of mood and how groups of cells in the brain connect to produce our emotional behaviour.
The cognitive cost of sleep lost. Research Nodes. Pharma.be. Savvy Psychologist : 7 Myths About Suicide. The media frenzy is starting to settle after the tragic suicide of Robin Williams.
Some of the coverage, I was happy to see, was sensitive and compassionate, while some was just plain irresponsible, sensationalistic, and full of specific details-- all of which can put vulnerable people at risk, and perpetuate misinformation. So, this week on the Savvy Psychologist, we’ll set right 7 myths about suicide. History of Science, Invention, and World. This is What Heavy Multitasking Could Be Doing To Your Brain. Multitasking may affect crucial areas of the brain’s emotional and cognitive centres.
Using laptops, phones and other media devices at the same time could be shrinking important structures in our brains, a new study may indicate. For the first time, neuroscientists have found that people who use multiple devices simultaneously have lower gray-matter density in an area of the brain associated with cognitive and emotional control (Loh & Kanai, 2014). Multitasking might include listening to music while playing a video game or watching TV while making a phone call or even reading the newspaper with the TV on. Kep Kee Loh, the study’s lead author, said: Sociale media, wat doen ze met ons brein? Brain-Based Learning. Clusters. The Science of Memory (and 4 Uncommon Ways to Enhance It) I have a pretty bad memory, it seems.
The Super Supercapacitor. Science of scent (ted talk) Psychologie.