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Hello readers,
Welcome to the AI For All newsletter! Today, we’re talking about how AI can detect your brain health from your voice, how edge AI is transforming wearables, and more!
AI in Action: AI is listening for the signs that you’re slipping
Every conversation leaves behind a hidden signal. The pauses between words, the "ums" and "uhs" that fill the silence, the moment you reach for a word that won't come — these aren't just tics of style or nervousness. According to new research from Baycrest, the University of Toronto, and York University, they're measurable markers of how well your brain is working. The study found that these subtle features of speech timing are directly linked to executive function, the cognitive system that governs memory, planning, attention, and flexible thinking — and that AI can read them with surprising accuracy.
The method is straightforward in design. Participants described detailed images in their own words, then completed standard tests of executive function. An AI system analyzed the recordings, identifying hundreds of fine-grained speech features — pause length, filler frequency, hesitation patterns — and used them to predict how participants performed on the cognitive tests. The predictions held up even after controlling for age, sex, and education level. What makes this meaningful isn't just the correlation; it's the medium. Speech is something people produce constantly, without effort, in ordinary life. That makes it a very different kind of data source than a clinic visit.
The practical target here is dementia. Executive function is one of the first cognitive systems to decline as the disease develops, but catching that decline early is hard. Standard tests are time-consuming, and people tend to score better simply from practice. A passive speech analysis — run on a phone call, a recorded conversation, a voice assistant interaction — doesn't have those problems. Researchers are careful to say more longitudinal work is needed, following individuals over time to separate normal aging from the first signs of disease. But the direction is clear: the way you talk may one day be one of the earliest, easiest-to-collect indicators of what's happening inside your brain.
🔥 Rapid Fire
Don’t be fooled. Anthropic is not profitable.
Analysis: AI Is Too Expensive + What If … We’re In An AI Bubble?
What Anthropic’s leaked source code reveals about its engineering culture
EY retracts study after researchers discover AI hallucinations
NASA develops AI tool that could help track harmful algae
Winning, on-brand ads—without endless prompting
Most AI creative tools fall short for one simple reason. You can generate tons of ads, but they aren’t up to par.
Refining copy, adjusting layouts, or nudging a CTA into place shouldn’t require rewriting prompts over and over. It slows teams down and breaks the creative process.
With Hightouch Ad Studio, AI gets you 90% of the way there. For the final 10%, use a built-in editor to quickly refine copy and design, or export directly to Figma for seamless collaboration with your design team.
Move faster without losing control. Every ad, exactly how you want it.
📖 What We’re Reading
The rise of Edge AI enables moving intelligence from the cloud to the wearable device itself. In other words, wearables no longer simply collect data but also process it, analyze it, and react to it on the spot.
This may seem insignificant at first, yet this small step changes the overall user experience. Think faster feedback, more privacy, better reliability, and not having to move around looking for a decent signal. If you care about the privacy of your health data, especially after the Flo lawsuit fiasco, this shift is worth paying attention to.
