Reiki operates at the psychic, spiritual, and energetic dimensions of healing — beyond the purely physical. Explore how Reiki energy works, what the human biofield is, distance healing
Reiki operates at the interface of the measurable and the mysterious. On one side lies a growing body of clinical research demonstrating its physiological effects — reduced anxiety, pain relief, improved sleep, enhanced wellbeing. On the other lies the ancient understanding that the human being exists not only as a physical body but as a field of consciousness, energy, and awareness that extends beyond the skin — and that healing can occur at all these levels simultaneously.
What is Reiki Energy?
In Reiki's framework, 'Ki' (Japanese) or 'Qi' (Chinese) or 'Prana' (Sanskrit) refers to the life force that animates all living beings. This energy flows through defined pathways (nadis in yogic tradition; meridians in Chinese medicine), concentrates at specific centres (chakras in yoga; dan tian in Qigong), and permeates the body's energetic field (the aura).
Health, in this framework, is the unimpeded flow of Ki through these pathways. Illness, pain, and emotional suffering are associated with blockages, deficiencies, or excesses of Ki in specific areas. Reiki healing works by restoring balanced, free-flowing Ki throughout the system.
The Psychic and Spiritual Dimensions of Reiki
Reiki as Psychic Healing
The word 'psychic' derives from the Greek psyche — meaning soul or mind. Psychic healing therefore refers to healing that operates through the soul/mind dimension rather than the purely physical. Reiki practitioners often describe an intuitive awareness during sessions: a felt sense of where energy is blocked, what qualities the energy holds, and what is needed for restoration.
Experienced Reiki practitioners develop what is sometimes called 'Reiki perception' — the ability to sense the energy field around the body with the hands, even without direct physical contact. This sensitivity, while difficult to quantify scientifically, is consistently reported and trained across all Reiki lineages.
Reiki as Spiritual Healing
Mikao Usui's original system had a distinctly spiritual orientation. The Reiki principles (Gokai) are as much a spiritual practice as a healing protocol. Usui taught that the practitioner's primary practice was not giving Reiki to others but developing their own inner life — through meditation (in particular Joshin Kokyuu Ho, the Reiki breathing meditation), mantra, and the cultivation of the Five Principles.
In this sense, Reiki is a path of spiritual development in which healing others is a natural consequence of one's own inner development, not a technique to be applied independently of it.
Distance Healing in Reiki
Reiki Level 2 introduces the HSZSN symbol (Hon Sha Ze Sho Nen — 'having no present, past, or future') and the practice of distance healing. Practitioners send Reiki across space and time to recipients who may be on the other side of the world.
From a conventional scientific perspective, this is difficult to explain. From a quantum physics perspective, non-locality — the ability of connected systems to influence each other regardless of distance — is an established reality. From an experiential perspective, numerous recipients report sensing Reiki distance sessions at the time they are being sent. Research is limited but suggests effects beyond chance.
The Human Energy Field (Aura)
Reiki's healing model assumes the existence of a human biofield — an energetic field surrounding and penetrating the physical body. This is not purely metaphysical: the human body does emit measurable electromagnetic fields (detected by EEG, ECG, and MEG), and research by institutions like the HeartMath Institute has demonstrated that the heart's electromagnetic field extends several feet beyond the body and can be detected by others.
What Reiki calls the 'aura' may be a simplified conceptual map of this complex biofield, including its electromagnetic, photonic, and possibly other dimensions not yet fully understood by conventional science.
The Chakras in Reiki Healing
Most Reiki lineages integrate the chakra system as a map for where to direct energy. The seven primary chakras — from Muladhara (root) to Sahasrara (crown) — are associated with different dimensions of health and consciousness. A skilled Reiki practitioner will sense which chakras are overactive, underactive, or blocked and direct the session accordingly.
Explore the complete chakra system: Chakra — Psychic Centres | Anahata: Heart Chakra | Ajna: Third Eye Chakra
Scientific Research on Reiki
While Reiki research faces significant methodological challenges (primarily blinding), a growing body of studies suggests real effects beyond placebo:
- A 2017 Cochrane-style review found Reiki superior to control conditions for anxiety and pain reduction in multiple trials.
- Studies in oncology settings consistently show Reiki reducing anxiety, fatigue, and pain in cancer patients, with effects comparable to standard relaxation therapy.
- Research on biofield therapies (a category including Reiki) by the National Institutes of Health has found measurable changes in immune markers and salivary cortisol.
- Practitioner-focused research shows changes in practitioner brainwaves during giving Reiki — shifting toward theta states similar to deep meditation.
Developing Your Reiki Perception
Even without formal Reiki attunement, you can develop sensitivity to subtle energy:
- Rub your hands vigorously together for 30 seconds, then slowly separate them and feel for warmth, tingling, or a sense of resistance/connection between the palms.
- Place both hands on your heart centre and breathe slowly. Notice any warmth, pulsation, or expansion that develops.
- Sit quietly with another person, both eyes closed. Notice what you sense in the space around them.
Frequently Asked Questions
Is Reiki energy measurable?
Partially. The human biofield — electromagnetic fields produced by the body — is measurable with standard medical equipment. Whether the specific 'Ki' that Reiki claims to transmit is a measurable phenomenon distinct from the practitioner's thermal radiation and biofield remains under investigation. What is measurable are the physiological effects on the recipient.
Can anyone learn to transmit Reiki energy?
In the Reiki tradition, the ability to transmit Reiki is activated through attunement — a ceremonial transmission from a Reiki Master Teacher. Level 1 attunement opens the channel for self-healing and simple hands-on healing. Without attunement, practitioners may still work with general therapeutic touch and intention, but classical Reiki lineages hold that attunement is what specifically opens the Reiki channel.
What does receiving Reiki energy feel like?
Recipients commonly report: warmth or heat in the area being worked on, tingling or electrical sensations, a sense of heaviness or deep relaxation, emotional releases (tears, laughter, sigh), visual imagery, and an overall sense of peace and wellbeing. Some people feel very little during the session but notice significant changes in mood, sleep, and pain levels in the following days.
Explore further: Reiki Healing | Ayurveda and Reiki: Prana Shakti | 6 Tips for Using Reiki with Surgery
Written by
Editorial Team


