Biofeedback

What Is Quantum Biofeedback (SCIO)?

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“Quantum biofeedback” is a name used for a device, sold under names including SCIO, EPFX and QXCI, that is claimed to read the body’s reactions to various frequencies and send frequencies back to change the body. The US Food and Drug Administration’s record draws the line that matters: the EPFX has a premarket notification for therapeutic biofeedback to control stress and to teach relaxation, but was not given marketing clearance to read subtle energy fields, for electro-dermal screening, or for measuring a person’s physical, mental and emotional levels. The narrow biofeedback use and the broader “quantum” claims are two different things. No reading from the device should guide a diagnosis or a treatment decision.

What is the device said to do?

The Wikipedia article on the device describes the Electro Physiological Feedback Xrroid (EPFX), also known as the Quantum Xrroid Consciousness Interface (QXCI), as a radionics device which claims to read the body’s reactivity to various frequencies and then send back other frequencies to make changes in the body. On a Device Watch page, Stephen Barrett, M.D., writes that the device has been marketed mainly under the names EPFX or SCIO.

What did the FDA clear, and what did it not?

The FDA’s <a href="https://www.accessdata.fda.gov/cmsia/importalert231.html”>Import Alert 80-06 lists the EPFX, the QXCI and the SCIO among devices that may be detained at import, noting claims of “bio-energetic medicine” for the treatment of disease or adverse medical conditions. In the same entry, the agency states that the EPFX has a premarket notification for therapeutic biofeedback to control stress and to teach a patient to relax, and that it was not given marketing clearance for evoked potential biofeedback technology, for reading a client’s subtle energy fields, for electro-dermal screening, or for measuring physical, mental and emotional levels.

That is a useful lesson beyond this device. A clearance covers a specific use. A phrase such as “FDA cleared” on a product page tells you nothing about claims outside that use, so ask which use was cleared.

How is that different from clinical biofeedback?

In who does the learning. In clinical biofeedback, as defined in a 2019 evidence map in the Journal of General Internal Medicine, instruments measure your physiological responses and feed them back to you in real time so that you can learn to change those responses. You watch one real signal, such as muscle tension or heart rate, and you are the one who changes it.

The cleared use, stress control and relaxation, sits close to that model. The broader claims work the other way: the device is said to read the body and to send frequencies into it, and those claims fall outside what the FDA cleared.

What does the evidence say?

Two attributed findings frame it:

  • On what the device measures: the Wikipedia article quotes Barrett’s conclusion that the device mainly reflects skin resistance, meaning how easily low-voltage electric currents from the device pass through the skin, which is not related to the body’s health.
  • On radionics in general: the Wikipedia article on radionics reports that several systematic reviews have found radionics no more effective than placebo.

The Wikipedia article on the device also records a case in which leukemia went undiagnosed and untreated, and the patient died. That is the risk in practice: a reassuring or alarming reading can delay the care a person needs.

If you are offered a scan

Ask what the device physically measures. If the answer is a list of conditions, imbalances or frequencies rather than a single body signal, it is not the biofeedback studied in clinical research. Do not start, stop or delay any medical treatment because of the result, and take any symptom that worries you to a doctor.

This article is general information, not medical or psychological advice; talk with a licensed clinician about your own situation.

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