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Thoughts?
originally posted by: rickymouse
Driving down the road with the sun flashing through the trees can trigger seizures in people who have epilepsy....and they do tests with lights to test epilepsy when doing testing for epilepsy with the wires hooked up and stuck to your head. The flashing lights did give me some weird feeling but never triggered my seizures because I knew they were purposely doing it to trigger seizures. It is when you are not paying attention that a seizure can be triggered, and young kids do not have enough life experience to know how to control it.
How It Works
Squareeater uses a combination of binaural beats and psychostrobic flicker effects to attempt to induce brainwave entrainment in the viewer.
Binaural beats are achieved by putting a tone in one ear of the listener and a slightly different tone in the other. For example, if the left ear is hearing a sine wave tone of 397hz (cycles per second) and the right is hearing 403hz, the brain perceives a pulse of 6hz, the difference in the frequencies.
Under ideal conditions, frequency following response occurs in brainwave functions, meaning the brain starts to function at the same frequency as the binaural stimulus. Different frequencies of stimulus correspond to different brainwave states, for example 4-7hz correspond to theta waves, a brain state associated with deep meditation or early stages of sleep.
Additionally, other forms of stimulus can achieve some of the same effects. Indigenous cultures have used rhythmic drumming in rituals for neurophysiological effects and research backs up these assertions. Also the stimulus does not have to be auditory, but psychostrobic visuals can also induce similar effects (ie. the dream machine). The strobing used on squareeater is intended to reinforce the audio.
We are often asked "aren't the effects just placebo?". While there certainly have been users whose response is largely imagined, there have been a number of studies (see research below) published in legitimate scientific journals drawing a correlation between binaural beats and brainwave functions. While the research is insufficient at this point to fully understand how the brain reacts with entrainment, a variety of responses have been well documented.
What Are Binaural Beats? Reviewed by Dan Brennan, MD on April 12, 2021
A binaural beat is an illusion created by the brain when you listen to two tones with slightly different frequencies at the same time. Your Brain and Binaural Beats Your brain interprets the two tones as a beat of its own.
The two tones align with your brain waves to produce a beat with a different frequency.
This frequency is the difference in hertz (Hz) between the frequencies of the two tones.
For example, if you are listening to a 440 Hz tone with your left ear and a 444 Hz tone with your right ear, you would be hearing a 4 Hz tone.
When you listen to binaural beats, your brain activity matches the frequency set by the frequency of the beat.
This is called the frequency-following effect. This means you can use binaural beats to entrain your mind to reach a certain mental state.