The Focused Human — Daily Brief | March 5, 2026

Navigating the age of artificial intelligence with intent and clarity. Your daily read to stay current, informed, and in control of your attention.

Spotting Fake (Deepfakes) Videos

Online deepfakes grew from 500,000 in 2023 to 8 million in 2025—annual growth near 900%. Voice cloning now requires just a few seconds of audio to generate a convincing clone, complete with natural intonation, breathing, and emotion. Some major retailers report receiving over 1,000 AI-generated scam calls per day.

But new research from University of Florida reveals something unexpected: while AI programs detect fake photos with up to 97% accuracy, they perform at chance levels on videos. We, meanwhile, correctly identify real and fake videos about two-thirds of the time.

The videos have more cues. Movement, gesture, the way someone's expression shifts—your brain picks up on subtle inconsistencies AI misses. Those with higher analytical thinking and internet skills performed better at detection.

Interestingly, people in better moods performed worse, possibly reflecting greater trust when feeling positive.

The problem: deepfakes now move toward real-time synthesis. Researchers expect entire video-call participants to be synthesized in real time—interactive AI-driven actors whose faces, voices, and mannerisms adapt instantly.

The perceptual tells that once gave away synthetic voices have largely disappeared.

The Focused Human Lens

Your visual system evolved to detect deception in faces. When someone lies, micro-expressions leak through—fleeting muscle movements lasting 40 to 200 milliseconds that contradict their words.

You're not consciously aware you're tracking them, but your nervous system registers the mismatch.

Deepfake videos create a different kind of mismatch. The face moves plausibly, but something about the temporal flow feels wrong.

Maybe the blink doesn't quite sync with the emotional content. Maybe the head turns but the lighting doesn't shift. These aren't logical deductions—they're perceptual hunches your visual cortex generates from millions of years tracking biological movement.

This is why you outperform AI on videos. The algorithms analyze pixels. You analyze living systems. Your attention isn't just processing visual information—it's constantly checking whether movement patterns match what bodies actually do.

But here's the attention cost: evaluating authenticity now runs as background processing on everything you watch. You're not just consuming content. You're forensically analyzing it.

That's additional cognitive load your nervous system carries without you noticing, until you feel the exhaustion of never quite trusting what you see.

Today's Thought

Your brain knows how real humans move. The question is how long before you stop believing what it tells you.


A. Karacay is the author of The Focused Human series — The Focused Human, The Attention Effect, and The Human Energy Advantage — available on Amazon. Listen to The Focused Human podcast, available wherever you listen to podcasts.

If you're looking for a weekly practice to help you direct your attention more deliberately, the Weekly Attention Reset Protocol is designed for exactly this. It's free, simple, and built to help you reclaim coherence in a world designed to fragment it. And, as always, stay curious!

Attention is Physics®