Wisconsin researchers have released a free software tool that could help Web surfers susceptible to certain seizures.
An estimated one in 4,000 people has photosensitive epilepsy and could suffer a seizure when exposed to bright colors and rapidly flashing images. The condition gained prominence in 1997 when more than 800 Japanese children were hospitalized after viewing a cartoon. Since then, television directors, video-game makers and others have tested their content to make sure it doesn’t reach seizure-inducing thresholds.
Web developers, though, didn’t have simple ways to run such tests. Researchers at the University of Wisconsin-Madison set out to change that.
“On the Web you really never know what’s going to pop up on the screen until it does, and one second later you could be having a seizure,” said Gregg Vanderheiden, the center’s director.
Web developers can use the Photosensitive Epilepsy Analysis Tool, or PEAT, to determine how fast an image blinks, for example, and let developers know whether it poses a seizure risk.
Content that doesn’t pass the test isn’t always risky. Researchers say flashy content that doesn’t fill at least 10 percent of a screen isn’t a danger.
Robert Fisher, the director of the Stanford Epilepsy Center in Palo Alto, Calif., said he knew of “dozens of clips” on YouTube that can provoke seizures. He advises viewers with epilepsy to avoid any sites where content blinks and flashes and to be ready to avert their eyes if necessary.
Dr. Giuseppe Erba, a neurology professor at the University of Rochester in New York, said Web developers now have a responsibility to use the testing tool to make sure the content they produce is safe.
Vanderheiden said his next priority is to create tools that give epileptics control over what is shown, so they wouldn’t have to rely on Web developers to run PEAT.
One option is a software tool that could detect and disable all blinking content, he said. Another might dim the contrast on the screen to mute the effect of changing colors.
Supreme Court Seems Likely To Uphold A Law That Could Force TikTok To Shut Down On Jan. 19
The Supreme Court on Friday seemed likely to uphold a law that would ban TikTok in the United States beginning Jan. 19 unless the popular social media program is sold by its China-based parent company.
Hearing arguments in a momentous clash of free speech and national security concerns, the justices seemed persuaded by arguments that the national security threat posed by the company's connections to China override concerns about restricting the speech either of TikTok or its 170 million users in the United States.
Early in arguments that lasted more than two and a half hours, Chief Justice John Roberts identified his main concern: TikTok's ownership by China-based ByteDance and the parent company's requirement to cooperate with the Chinese government's intelligence operations.
If left in place, the law passed by bipartisan majorities in Congress and signed by President Joe Biden in April will require TikTok to "go dark" on Jan. 19, lawyer Noel Francisco told the justices on behalf of TikTok.
At the very least, Francisco urged, the justices should enter a temporary pause that would allow TikTok to keep operating. "We might be in a different world again" after President-elect Donald Trump takes office on Jan. 20. Trump, who has 14.7 million followers on TikTok, also has called for the deadline to be pushed back to give him time to negotiate a "political resolution." Francisco served as Trump's solicitor general in his first presidential term.
But it was not clear whether any justices would choose such a course. And only Justice Neil Gorsuch sounded like he would side with TikTok to find that the ban violates the Constitution.
Gorsuch labeled arguments advanced by the Biden administration' in defense of the law a... Read More