binaural beats

Optimizing Workspace for Productivity, Focus, & Creativity

Andrew Huberman

A sound technology involving different frequencies in each ear that can entrain brainwaves for specific cognitive enhancements, particularly 40 Hertz for focus and memory.

The Science of Hearing, Balance & Accelerated Learning

Andrew Huberman

A phenomenon involving playing different frequencies of sound to each ear, with the brain averaging them into an intermediate frequency to induce specific brain states (e.g., focus, relaxation).

How to Control Your Metabolism by Thyroid & Growth Hormone

Andrew Huberman

An auditory phenomenon where two different frequencies played in each ear create a perceived third frequency, with existing apps claiming to induce delta waves, but lacking strong peer-reviewed scientific support.

These Illusions Fool Almost Everyone

Veritasium

A phenomenon where subtle beating is perceived when slightly different frequencies are played in each ear, with some claims of improving focus, though research is inconclusive.

Q&A with Tim — Parenting Considerations, Intuition, New Hobbies, Dating, and More

Tim Ferriss

How To Take Back Control Of Your Life From Alcohol, Porn & Social Media | Cal Newport

Cal Newport

Mentioned as part of Mark's deep work ritual, used for clearing his head while listening during laps.

Tools to Enhance Working Memory & Attention

Andrew Huberman

The presentation of different sound frequencies to each ear, typically via headphones, which can entrain brain activity to a particular frequency and show small to moderate improvements in working memory and visual spatial working memory.