40Hz Signal

Based on Wang et al. 2026 PNAS research

05:00

Source Research

1kHz
Tone frequency
40/sec
Pulse rate

Wang et al. (2026). "Long-term effects of forty-hertz auditory stimulation as a treatment of Alzheimer's disease: Insights from an aged monkey model study." PNAS 123(2)

Note: This is a simulation of the audio signal used in the referenced research paper. This is not a medical device and makes no claims. For research and educational purposes only.