Spot the ball: Radical breakthrough study pinpoints exactly how our brains track fast-moving objects. Our brains 'push' moving images forward because our eyes can't process the images straight awayThe discovery is a significant development into understanding By Victoria Woollaston Published: 16:07 GMT, 8 May 2013 | Updated: 16:16 GMT, 8 May 2013 It explains how tennis players can hit a ball travelling at over 100mph, and how footballers know exactly where to kick a ball. For the first time ever scientists have discovered exactly how our brains track fast-moving objects.
And it involves pushing moving images forward so that our brains actually see them further along in their trajectory than what our eyes see. The visual cortex in the brain of tennis players such as Roger Federer need to be highly tuned to process fast-moving objects. Magnetic resonance imaging or MRI is a type of scan used to diagnose health conditions that affect organs, tissue and bone. MRI scanners use strong magnetic fields and radio waves to produce detailed images of the inside of the body.
Enlarge. Daphne Bavelier: Your brain on video games. From neurobiology to online gaming | Science News. How digital culture is rewiring our brains | Science News. Sports take brain as well as brawn | Science News. Golfers can improve their putt with a different look: Visualize a great big hole | Science News. Action videogames change brains, improve visual attention | Science News. Computer Games Can Be Good For Brains, Says Neuroscientist | PRLog | Science News. [Video] Students Develop Brain Pong Game | Science News. Group cohesiveness. When discussing social groups, a group is said to be in a state of cohesion when its members possess bonds linking them to one another and to the group as a whole.
Although cohesion is a multi-faceted process, it can be broken down into four main components: social relations, task relations, perceived unity, and emotions.[1] Members of strongly cohesive groups are more inclined to participate readily and to stay with the group.[2] Definition[edit] There are different ways to define group cohesion, depending on how researchers conceptualize this concept. However, most researchers define cohesion to be task commitment and interpersonal attraction to the group.[3][4] Causes[edit] The bonds that link group members to one another and to their group as a whole are not believed to develop spontaneously. Attraction, task commitment and group pride are also said to cause group cohesion.
Attraction[edit] Group pride[edit] Task commitment[edit] Factors[edit] Similarity of group members[edit] Beal, D.