40 Hz sound in mice
Lab onlySeven days of 40 Hz tones improved spatial and recognition memory and reduced amyloid in mice bred to develop Alzheimer's-like changes.4 An earlier study did something similar with flickering light.1
Sound & memory, explained
Brain audio programs promise a sharper mind from a few minutes of listening. We dug into the research behind the idea, from 40 Hz experiments at MIT to sound played during deep sleep, and took an honest look at one popular program: The Brain Song.
Track 01 · 1 min
Your brain runs on rhythm. Groups of brain cells fire together in waves, and two of those rhythms have caught researchers' attention when it comes to memory.
Fast · gamma · about 40 Hz
In a mouse model of Alzheimer's disease, fast gamma rhythms weakened before any plaques or memory problems appeared. That made scientists ask whether they could be boosted from the outside.1
Slow · deep sleep · under 1 Hz
The slow waves of deep sleep are critical for turning the day's experiences into lasting memories.2
There's also a down-to-earth link between sound and memory: your hearing. Hearing loss is one of 14 modifiable risk factors for dementia named by the 2024 Lancet Commission.3 Before any brain audio, caring for your ears is the most proven “sound” habit there is.
Track 02 · 2 min
Here is the research most often linked to brain audio, with a signal meter showing how strong the evidence is today.
Seven days of 40 Hz tones improved spatial and recognition memory and reduced amyloid in mice bred to develop Alzheimer's-like changes.4 An earlier study did something similar with flickering light.1
In a small pilot, 15 people with mild Alzheimer's used a dedicated light-and-sound device every day for three months. It was well tolerated, and the active group did better on one memory test. The authors call for a larger trial.5
Soft sound pulses timed to a sleeper's slow waves strengthened memory consolidation.2 In 13 adults aged 60 to 84, one night of timed pink-noise pulses led to better overnight word recall than a sham night.6
Play a slightly different tone in each ear and the brain hears a “beat.” A meta-analysis of 22 studies found a medium-sized effect on memory, attention, anxiety and pain, with results depending on the frequency used, when people listened and for how long.7
Hearing loss is on the Lancet list.3 In the ACHIEVE trial of 977 adults aged 70 to 84, hearing aids made no overall difference in cognitive decline over three years, but the effect differed among people already at higher risk.8
Track 03 · 1 min
The U.S. National Institute on Aging advises caution with products that promise to sharpen your brain or prevent dementia, and recommends talking with your doctor before buying.9 That's good advice for any brain product, this one included. Think of brain audio as a low-cost experiment, not a treatment.
Track 04 · 1 min
The Brain Song is a 12-minute digital audio sold through ClickBank, an online retailer. Its website credits a company called Neural Revive and describes it as a simple daily routine you can do at home.
About reviews: the seller's website says the user experiences it features “may be dramatized via digital avatars,” so we haven't included testimonials here.
12-minute daily listening routine
$39one-time, as shown at checkout on Oct. 25, 2026
Get The Brain Song Here →You'll complete your order on ClickBank's secure checkout.
Track 05 · 1 min
Track 06 · 1 min
A 12-minute digital audio. Access is immediate after checkout, and nothing is shipped.
The seller describes it as a simple 12-minute daily routine you can do at home. Find a quiet, comfortable spot and keep the volume at a comfortable level.
No. Checkout shows a single $39 charge for the digital product.
The seller offers a 90-day money-back guarantee, and ClickBank, the retailer, accepts returns within 90 days of purchase.
No. It's a wellness audio and is not intended to diagnose, treat, cure or prevent any disease. If changes in your memory worry you, talk with your doctor.
Because the seller's own website notes that featured user experiences may be dramatized with digital avatars. We'd rather show you the research.
One audio, a one-time $39 payment and 90 days to decide if it belongs in your routine.
Get The Brain Song Here →Checkout by ClickBank · 90-day money-back guarantee
Track 07