NIMH &183; Brain Matures a Few Years Late in ADHD, But Follows Normal Pattern. In youth with attention deficit hyperactivity disorder (ADHD), the brain matures in a normal pattern but is delayed three years in some regions, on average, compared to youth without the disorder, an imaging study by researchers at the National Institutes of Health’s (NIH) National Institute of Mental Health (NIMH) has revealed.
The delay in ADHD was most prominent in regions at the front of the brain’s outer mantle (cortex), important for the ability to control thinking, attention and planning. Otherwise, both groups showed a similar back-to-front wave of brain maturation with different areas peaking in thickness at different times (see movie below). “Finding a normal pattern of cortex maturation, albeit delayed, in children with ADHD should be reassuring to families and could help to explain why many youth eventually seem to grow out of the disorder,” explained Philip Shaw, M.D., NIMH Child Psychiatry Branch, who led the research team.
Source: NIMH Child Psychiatry Branch. How Time Dilation Makes Sense. Previous home next PDF Michael Fowler, UVa Physics, 12/1/07 “Moving Clocks Run Slow” plus “Moving Clocks Lose Synchronization” plus “Length Contraction” leads to consistency!
The object of this exercise is to show explicitly how it is possible for two observers in inertial frames moving relative to each other at a relativistic speed to each see the other’s clocks as running slow and as being unsynchronized, and yet if they both look at the same clock at the same time from the same place (which may be far from the clock), they will agree on what time it shows! Suppose that in Jack’s frame we have two synchronized clocks C1 and C2 set 18 x 108 meters apart (that’s about a million miles, or 6 light-seconds).
Jill’s spaceship, carrying a clock C', is traveling at 0.6c, that is 1.8 x 108 meters per second, parallel to the line C1C2, passing close by each clock. Suppose C' is synchronized with C1 as they pass, so both read zero. Online Diagram & Flowchart Software. Usenet Physics FAQ. Version Date: February 2018 This list of answers to frequently asked questions in physics was created by Scott Chase in 1992.
Its purpose was to provide good answers to questions that had been discussed often in the sci.physics and related Internet news groups. The articles in this FAQ are based on those discussions and on information from good reference sources. They were later maintained and enlarged by Michael Weiss and Philip Gibbs. Others who have written for the FAQ are credited at the top of the items they submitted, while many more who have made smaller contributions have been thanked privately. Most of the entries that you'll find here were written in the days when the Internet was brand new. So because of their age, the FAQ entries that you'll find here have a great deal of academic credibility—but they are not always perfect and complete.
This document is copyright. General Physics Particle and Nuclear Physics Quantum Physics Relativity and Cosmology Speed of Light Black Holes. Why Bad CEOs Get to Keep Their Jobs. Six famous thought experiments explained quickly. U.S. Government Anti-Piracy System Delayed To Later This Year. We reported back in February on a plan being implemented by the Center for Copyright Information and major ISPs to stop the rampant problem of file-sharing over BitTorrent.
Back then, it was announced that the plan would go into effect on July 1 of this year. It would appear that the original date is going to be missed. TorrentFreak is reporting that the CCI told them that the July 1 date was not set in stone and that the date could slip. The problem seems to be stemming from the fact that not all the ISPs are on board yet. The six-strikes plan currently being implemented by the CCI and ISPs is going to take a long time to actively implement. The six-strikes plan will see a user found pirating content being sent a warning by their ISP.
The CCI also said that they have found a partner to monitor BitTorrent swarms for signs of piracy. Why We Cry: The Fascinating Psychology of Emotional Release. May 18, 2012 | Like this article?
Join our email list: Einstein On Creative Thinking: Music and the Intuitive Art of Scientific Imagination. "The greatest scientists are artists as well," said Albert Einstein (Calaprice, 2000, 245).
As one of the greatest physicists of all time and a fine amateur pianist and violinist, he ought to have known! So what did Einstein mean and what does it tell us about the nature of creative thinking and how we should stimulate it? In our last post, we suggested that community singing might be a simple way to introduce creativity into one's life. In the post before that Einstein's musical hobbies served as an example of personal creativity providing the kind of recreation that enables professional innovation. And in an even earlier post on Einstein, we introduced the idea that creative thinking can be done with your body as well as your mind. For Einstein, insight did not come from logic or mathematics.
But how, then, did art differ from science for Einstein? Anyone in science education reading this?! In other interviews, he attributed his scientific insight and intuition mainly to music. Eagle Eye » Top 10 most dangerous cities in the world in 2011.