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 Diagnostic Medicine


What happens when AI runs out of pictures?

AIHub

What happens when AI runs out of pictures? A hospital may only ever collect a few dozen scans of a rare condition - for example, an unusual tumour. The radiology department wants software to flag this on a scan - not to replace the specialist, but so a hospital without one still gets their scan checked the same way. The clinicians know what they're looking for. Over a decade, the hospital might gather 40 confirmed cases.


When expressive humanoid robots are awkward, people become wary – new brain study

Robohub

People become more suspicious of a humanoid robot that makes errors, especially when the robot is an expressive conversation partner. In our new study published in the journal Science Robotics, we had 50 people hold conversations and make joint decisions with the commercial humanoid robot Pepper, which is designed to be expressive and recognize emotions. Sometimes we had the robot give sound advice. Sometimes we had it make conversational mistakes, interrupting people or pushing illogical suggestions. For some participants, the robot was animated, using gestures, eye contact and nods.


Psilocybin Might Make Your Brain Live in the Moment

WIRED

Psychedelics are often associated with disconnecting from reality, but a recent neuroimaging study found that psilocybin can actually make our brain activity more attuned to the world around us. That's what scientists have generally thought, with several studies showing that when we take these substances, the signals pinging between our neurons become more diverse and unpredictable. This increased entropy in our gray matter may underlie the strange, random, and often memorable experiences of psychedelic trips. But in one of the largest neuroimaging studies on the effects of psilocybin to date, researchers uncovered a hidden order in the apparent chaos. The study, published in Nature, indicates that while psilocybin blurs some of the boundaries within the brain, our neurological reactions to what we're experiencing in that moment become even more distinct.


How accurate are sleep trackers? Lawsuit says Oura rings have 'a coin flip's chance of being correct'

ZDNet

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen How accurate are sleep trackers? Lawsuit says Oura rings have'a coin flip's chance of being correct' The class action lawsuit claims that Oura's sleep-tracking mechanisms sell'faulty AI-based inference as reliable science.' A lawsuit targets Oura's allegedly inaccurate sleep tracking features. The plaintiff alleges that Oura's sleep tracking has a coin flip's chance of being correct. Oura has defended its technology and methodology for its smart ring.


Why More Medical Testing Doesn't Always Make Us Healthier

TIME - Tech

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In rural Chad, solar kiosks bring healthcare closer

Al Jazeera

For Ache Kodo, seeing a doctor once meant saving money for the journey. Living in Bitkine, in central Chad, she said a medical visit could mean paying for transport, the consultation and other costs of travelling to a larger town. Now, she can consult a doctor remotely through a Telemedan kiosk closer to home. "Telemedan changed how my family accessed healthcare services," Ache told Al Jazeera. "It was difficult before, as it involved me saving money to travel just to see a doctor. Now I'm able to do it on time with fewer costs from where I am. It has also enhanced my economic status."


On Rashomon sets, the mathematics of simplicity, and why we don't need black boxes: an interview with Cynthia Rudin

AIHub

On Rashomon sets, the mathematics of simplicity, and why we don't need black boxes: an interview with Cynthia Rudin Welcome back to AI Pioneers - in-depth conversations with those shaping the field . This time, we speak with Cynthia Rudin, a trailblazer in the field of interpretable machine learning. Winner of the 2022 Squirrel AI Award for Artificial Intelligence for the Benefit of Humanity, Cynthia's algorithms are already predicting seizures, aiding crime detection, and powering biological research . We discuss black boxes, Rashomon sets, and what's next for her lab - from cancer detection to interpretable AI-generated music. Can you tell me a bit about your background - what drew you into the field of interpretable machine learning?


Google's newest Pixel Watch feature can monitor your blood pressure and insulin resistance

Engadget

At the launch of the Pixel Watch 5, Google announced Health Guardian, a new suite of tools to keep an eye on your health. Google says its new platform will be able to see trends on your blood pressure, breathing and, most interestingly of all, insulin resistance. If it has been able to achieve the latter, then the consequences could be staggering. Cuffless blood pressure monitoring is increasingly common in high-end wearables, but with a lot of caveats around accuracy. Samsung's Galaxy Watch feature, for instance, asks that users regularly calibrate their watch against a traditional blood pressure cuff.


Big Tech Wants to Harvest Your Thoughts

WIRED

Silicon Valley companies are already working on neurotechnology products that track your brain activity. The next privacy frontier might be the things you only think. Rafael Yuste is in his early sixties and bears a more than passing resemblance to Pablo Picasso--if Picasso had worn glasses and had a trim white goatee. Speaking succinctly and methodically, his accent rich with Spanish inflections, he told me about an experiment he had carried out in his lab at Columbia on the brains of mice, and specifically on that part of the cortex that responds to vision. His mentor had been the Swedish neuroscientist Torsten Wiesel, who won a Nobel Prize for his research into how our visual systems process information. "He discovered by chance that the strongest stimulus is a pattern of high-contrast dark and light bars." He held up one hand and waved his fingers back and forth. "If you imagine my fingers were bars of light surrounded by complete blackness--if I move my fingers in front of your eyes, that fires up your whole visual cortex."


Dogs really ARE man's best friend! Pooches can tell when we're angry, sad, or scared - simply by looking at our faces, study finds

Daily Mail - Science & tech

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