This week on Built This Week we sit down with Ramses Alcaide, founder of Neural, to demo a noninvasive brain computer interface that tracks your focus in real time through a pair of headphones. No surgery. No implants. Just data.

We cover:

What a brain computer interface actually is and how it works
A live demo of focus tracking during the episode
A browser plugin that adjusts podcast speed based on your brain activity
How the technology detects brain fatigue before you feel it
Gaming, medical, and sports applications
How AI finally unlocked BCI for consumer devices after 40 years in labs
The science behind ice baths affecting men and women differently
Why kids are bypassing age verification AI with a fake mustache
Why AI security cameras are still failing at basic common sense
The edge compute problem nobody in consumer hardware wants to talk about
Why your brain signature might be the future of identity verification

If you are building with AI, interested in wearables, or want to understand what brain computer interfaces actually are today, this episode is for you.

TIMESTAMPS

[00:00] Intro

[00:44] Meet Ramses — what is a brain computer interface

[01:40] How the headphones track focus in real time

[02:28] Live focus tracking demo on the podcast

[03:00] Browser plugin that adjusts podcast speed to your brain

[04:35] How to use biofeedback to stay focused

[07:02] Brain health tracking — cognitive strain and brain age

[07:33] Gaming use case — overclocking your brain with HP

[08:16] ER doctors and high stakes focus applications

[09:08] How AI finally brought BCI out of the lab

[10:01] Origin story — PhD, family tragedy, US Army backing

[11:45] How to find Ramses and the product

[13:09] Ice bath experiment — men vs women brain data

[14:45] News — AI security cameras calling dogs bears

[15:13] Why edge AI for consumer hardware is brutally hard

[16:28] Brain data and camera AI share the same constraint

[17:08] Kids bypassing age verification with a fake mustache

[19:23] Brain signature as the future of identity verification

[20:03] Wrap up

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