Motor Control in Tourettes Syndrome
People with Tourettes struggle with uncontrollable physical tics and verbal outbursts, but a new study reveals that they also have highly developed cognitive control over their reactions.
University of Nottingham's Stephen Jackson, who examined brain scans of people with Tourettes, says: "'The motor outputs of children with Tourettes syndrome are under greater cognitive control. You might view this as their being less likely to respond without thinking, or as being less reflexive.' This helps explain why some people may have many tics as children, but as adults have very few. Over time, their brains have developed ways to control these tics. Jackson points out that this may mean people with Tourettes need mental exercises rather than brain surgery or drugs, because their brains will naturally develop compensatory mechanisms.
In a breakthrough for nuclear fusion research, scientists at China's Experimental Advanced Superconducting Tokamak (EAST) reactor have produced temperatures necessary for nuclear fusion on Earth.
- The EAST reactor was able to heat hydrogen to temperatures exceeding 100 million degrees Celsius.
- Nuclear fusion could someday provide the planet with a virtually limitless supply of clean energy.
- Still, scientists have many other obstacles to pass before fusion technology becomes a viable energy source.
Military recruits are supposed to be assessed to see whether they're fit for service. What happens when they're not?
- During the Vietnam War, Robert McNamara began a program called Project 100,000.
- The program brought over 300,000 men to Vietnam who failed to meet minimum criteria for military service, both physically and mentally.
- Project 100,000 recruits were killed in disproportionate numbers and fared worse after their military service than their civilian peers, making the program one of the biggest—and possibly cruelest—mistakes of the Vietnam War.
The 116th Congress is set to break records in term of diversity among its lawmakers, though those changes are coming almost entirely from Democrats.
- Women and nonwhite candidates made record gains in the 2018 midterms.
- In total, almost half of the newly elected Congressional representatives are not white men.
- Those changes come almost entirely from Democrats; Republican members-elect are all white men except for one woman.
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