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  2. Audio-visual entrainment - Wikipedia

    en.wikipedia.org/wiki/Audio-Visual_Entrainment

    A large area of skin must be stimulated to affect brainwaves, which leaves both auditory and photic stimulation as the most effective and easiest means of affecting brain activity. Therefore, mind machines are typically in the form of light and sound devices. [1]

  3. Mind machine - Wikipedia

    en.wikipedia.org/wiki/Mind_machine

    A light and sound machine with headphones and strobe light goggles. A mind machine (aka brain machine or light and sound machine) uses pulsing rhythmic sound, flashing light, or a combination of these. Mind machines can induce deep states of relaxation [1] or concentration. [2] The process applied by some of these machines is said to induce ...

  4. Brainwave entrainment - Wikipedia

    en.wikipedia.org/wiki/Brainwave_entrainment

    Brainwave entrainment is a colloquialism for 'neural entrainment', [25] which is a term used to denote the way in which the aggregate frequency of oscillations produced by the synchronous electrical activity in ensembles of cortical neurons can adjust to synchronize with the periodic vibration of external stimuli, such as a sustained acoustic ...

  5. Microcurrent electrical neuromuscular stimulator - Wikipedia

    en.wikipedia.org/wiki/Microcurrent_electrical...

    A microcurrent electrical neuromuscular stimulator or MENS (also microamperage electrical neuromuscular stimulator) is a device used to send weak electrical signals into the body. Such devices apply extremely small microamp [uA] electrical currents (less than 1 milliampere [mA]) to the tissues using electrodes placed on the skin.

  6. The Machine That Helps Me Sleep - AOL

    www.aol.com/news/machine-helps-sleep-230416130.html

    For premium support please call: 800-290-4726 more ways to reach us

  7. Blue light spectrum - Wikipedia

    en.wikipedia.org/wiki/Blue_light_spectrum

    The amount of blue light received by ipRGCs regulates the circadian rhythm to control cycles of alertness [20] and sleepiness. The more light stimulation, the less signals are transmitted to the pineal gland through the SCN of the hypothalamus [21] to produce melatonin. Blue light exposure, particularly in the evening or at night, suppresses ...

  8. The 13 Best Light Therapy Devices to Clear Your Skin - AOL

    www.aol.com/lifestyle/13-best-light-therapy...

    ELLE editors share their favorite light therapy devices to shop now. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 ...

  9. The best sunrise alarm clocks of 2025 - AOL

    www.aol.com/lifestyle/best-sunrise-alarm-clocks...

    The light signals to your body to stop producing melatonin and to begin rising from sleep. The clock may or may not also play a sound to assist with waking you up.

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