Maclean Fitzgerald is Posit Science's webmaster. He has worked at the company for 8 years. Mac is an avid sports fan and the captain of an as-yet undefeated softball team. His favorite movie is "Anchorman: The Legend of Ron Burgundy".
It was recently reported that for every 8 American patients who see a doctor about a headache, 1 of those patients gets a brain scan done as part of the medical evaluation. The problem? Almost all of these scans are medically unnecessary, yet they cost a total of over $1 bilion per year. As well, brain scans expose patients to harmful radiation and can lead to further unnecessary tests.
I just watched a great video from TED.com about stress. In the video, researcher Kelly McGonigal reveals recent research findings that turn some of our preconceptions about stress upside-down. After years of researching the negative effects of stress, McGonigal, a Stanford University psychologist, has turned her critical eye to the positive side of stress.. Check out this excellent video and … read more
I recently watched another great video from ASAP Science about talent vs. training. The video asks the question, “which is more important: genetics or hard work?” They briefly discuss research that looked at athletic achievements. The research found that a person’s genetics can mark them as a highly responsive to training, possessing high endurance, or both, or neither. As you might expect, a person who is … read more
Recent news reports have focused on some tragic stories involving people described as “brain-dead.” But what does “brain-dead” actually mean? Is there hope for a brain-dead person? Is there a difference between being brain-dead, in a vegetative state, or in a coma? Here are some facts about what it means when a person is brain-dead and how it is different from a vegetative state or … read more
Do these “moving” illusions make your brain hurt? Even though you see they are two stationary drawings and not really moving, it’s still hard for the brain to reconcile because the animation is so convincing. If you watch the video, you’ll see that even cats are fooled by it! Simply amazing.