Eric Wollberg is working on a headset to help you control some of your dreams. He co-founded the tech startup Prophetic to build “world’s first wearable device for stabilizing lucid dreams.” It’s a headband-like device that sends focused ultrasound signals.
CNBC reports:
Lucid dreams occur when a person sleeping becomes aware they’re dreaming and may be able to control parts of the dream….To prototype the noninvasive device, dubbed the “Halo,” Prophetic has partnered with Card79 — the same company that designed and built hardware for Elon Musk’s brain-computer interface company, Neuralink.
Prophetic’s hardware bet comes at a time when a handful of artificial intelligence companies are investing in devices or wearables. Humane AI, a company founded in 2017 by former Apple employees, debuted its wearable — the AI Pin — on the runway last week at Paris Fashion Week….Wollberg plans to showcase a semi-working prototype either later this month or in early November. But the full test of the prototype, they say, will have to wait until the third or fourth quarter of 2024, after the conclusion of a yearlong study on brain imaging conducted in partnership with the Donders Institute for Brain, Cognition and Behaviour at Radboud University.
The co-founders have … lofty dreams…But a year out from a fully working prototype, with plans to ship devices starting in spring 2025, Prophetic is still a ways away from delivering on its promises.
Lucid dreaming has fascinated the public and the neuroscience community alike for decades, spawning references across pop culture, from films like “The Matrix” and “Inception,” to a Reddit community (r/LucidDreaming) with more than 500,000 members. Neuroscientific studies on the subject date back to the 1970s, according to research published in the National Library of Medicine, but interest has increased with the expansion of the cognitive neuroscience field.
Wollberg had his first lucid dream at age 12, and though he doesn’t remember exactly what he did, he called it “just about the most profound experience I’ve ever had.” In college, he started lucid dreaming twice a week and realized he wanted to create a way to use the practice to explore consciousness on a deeper level….Wollberg and Berry are counting on the results of the Donders Institute’s yearlong study to provide enough training data for their AI to work on the Halo device. The golden-ticket type of brain data they’re looking for via the study is gamma frequencies — the fastest measurable “band” of brain wave frequencies, which occur in states of deep focus and are a hallmark of an active prefrontal cortex, which is believed to be a defining characteristic of lucid dreams.
While today’s leading transformer models that underpin tools like OpenAI’s ChatGPT deal in inputs and outputs of text, Berry is aiming to do something differently with Prophetic. His plan is to use a convolutional neural net to decode brain-imaging data into “tokens,” then feed those into the transformer model in a way it can understand them.
“You can create this closed loop where the model is learning and figuring out what sort of sequences of brain states need to occur, what sort of sequences of neuro-stimulation need to occur, in order to maximize the activation of the prefrontal cortex,” Berry said.
Prophetic’s goal with the prototype is to use focused ultrasounds to stimulate the user’s prefrontal cortexes while dreaming. Research suggests that focused ultrasound stimulation can improve working memory, and Berry compares that, in a way, to the idea of not knowing how you got somewhere while dreaming. It’s part of why he believes there’s a “really, really, really good shot that this works.”
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