Hypnotherapy training teaches a practitioner's repertoire of induction techniques (progressive relaxation, rapid inductions, Ericksonian naturalistic methods), trance deepening skills, therapeutic suggestion writing, Ericksonian language patterns, working with resistance, case conceptualisation, and supervised client work. Quality training includes personal development components where trainees receive hypnotherapy themselves, developing empathy for client vulnerability and processing personal material that could interfere with practice. The training experience shifts the practitioner from intellectual understanding of hypnosis to embodied skill in facilitating trance states reliably, ethically, and effectively across diverse client presentations.
Note: This article provides educational information about hypnotherapy training. It does not constitute professional health or career advice. Consult relevant professional bodies for current training requirements in your jurisdiction.
Last updated: March 2026
Key Takeaways
- Effective hypnotherapy training builds a repertoire of induction styles rather than a single technique, allowing the practitioner to match approach to client.
- Ericksonian training emphasises rapport, indirection, and utilisation of resistance (substantially different skills from classical suggestion training).
- Supervised practicum with real clients is the most important component: quality varies widely between programmes in format and supervisor-to-student ratio.
- Personal development (receiving hypnotherapy as a client) is a mandatory component of quality training, not an optional supplement.
- Case conceptualisation (triage between what is appropriate for hypnotherapy and what requires referral) is a core clinical competency developed through training.
- Steiner's imaginative faculty development parallels the therapeutic presence quality that advanced hypnotherapy training cultivates.
Training vs Certification: What This Article Covers
Hypnotherapy certification addresses credentials, accreditation, regulatory requirements, and career paths. Hypnotherapy training addresses the experiential and skill-development process: what you actually learn to do, how those skills develop across the arc of a programme, and what the training experience is like from the inside.
These are complementary but distinct questions. A practitioner may choose between two certified programmes that produce very different skill profiles depending on their methodology (classical vs Ericksonian), their approach to supervised practicum (live supervision vs recording review), and their personal development requirements. Understanding the training dimension of hypnotherapy education helps prospective trainees choose programmes that match their learning style and professional goals, not just their certification requirements.
Building an Induction Repertoire
The capacity to reliably guide a diverse range of clients into trance is the foundational practical skill in hypnotherapy. This requires a repertoire of induction approaches, because different clients respond optimally to different styles. A practitioner who knows only one induction technique will find a significant proportion of clients difficult to work with; a practitioner with five to eight induction approaches, and the clinical judgment to match approach to client, can work effectively with nearly everyone.
Progressive Muscular Relaxation Induction
PMR induction is the most accessible entry point in hypnotherapy training and the foundation on which other induction skills build. The trainee learns to guide systematic attention through the body from feet to crown, combining relaxation suggestions with breath-pacing and body-scan language. PMR induction training develops the fundamental skills of verbal pacing (matching the client's breathing rhythm), temporal pacing (matching suggestion delivery to the client's response pace), and sensory language (describing experience rather than commanding it).
PMR is the most appropriate induction for clients new to hypnotherapy, clients with high analytical resistance (who respond to the apparently physiological and systematic quality of the method), and clients in medical or procedural settings where familiarity and predictability support comfort.
Eye-Fixation and Eye-Roll Inductions
Eye-fixation inductions (asking the client to focus on a fixed point, ceiling spot, or the practitioner's finger) develop the practitioner's skill in pacing visual fatigue and utilising the natural physiological narrowing of attention that follows sustained fixation. Eye-roll inductions (directing the client to roll the eyes upward before closing them) use David Spiegel's eye-roll hypnotic induction method, based on his research showing that the degree of upward eye-roll before closure correlates with hypnotic susceptibility (Spiegel and Spiegel, 2004).
Rapid and Instant Inductions
Rapid inductions (three to thirty seconds) are among the most striking and clinically useful tools in a hypnotherapist's repertoire. They work by utilising naturally occurring micro-trance states and by interrupting the analytical mind's moment-to-moment processing of experience. The handshake interrupt (interrupting a habitual behavioural programme mid-execution), arm levitation (creating ideomotor response as a trance indicator and deepener), and instant inductions (combining physical contact, eye contact, and simultaneous vocal suggestion) are all taught in clinical training.
Rapid induction training requires considerable supervised practice because the practitioner must develop the capacity to read and respond to the client's micro-responses in real time, adjusting verbal and physical input within seconds. This is a significantly more advanced skill than PMR induction and develops across weeks of supervised peer practice.
Ericksonian Naturalistic Inductions
Naturalistic inductions use ordinary conversation and behavioural observation to guide a client into trance without formal induction procedures. This approach, developed by psychiatrist Milton Erickson (1901-1980), requires the most sophisticated language skills and the deepest capacity for clinical presence. Trainees learn to identify naturally occurring trance behaviours (unfocused gaze, absorption in an idea, rhythmic movement) and utilise them as trance entry points without announcing an induction.
Therapeutic Suggestion Writing
The quality of therapeutic suggestions delivered during trance largely determines session effectiveness. Suggestion writing is a craft that develops across training and continues to develop throughout a practitioner's career.
Direct vs Indirect Suggestion
Direct suggestions explicitly tell the unconscious what to do or feel: "You will no longer want to smoke." "Your hand is becoming numb and comfortable." These work well with highly hypnotisable clients and for simple, unambiguous presentations. They are less effective with clients who have significant analytical resistance or complex psychological dynamics, where the command quality of direct suggestion can provoke counterproductive opposition.
Indirect suggestions offer possibilities rather than commands: "You might notice, perhaps with some surprise, that cigarettes are becoming less interesting to you." "Your hand can begin, in its own way and in its own time, to discover a quality of comfortable warmth." Indirect suggestions work with the client's natural processes rather than commanding them, and are particularly effective for complex presentations, resistant clients, and work involving unconscious material that needs space to emerge rather than being directed.
Embedded Commands and Truisms
Embedded commands are indirect suggestions embedded within larger sentences that disguise the command quality while still directing the unconscious. "I don't know when you'll begin to feel more comfortable, whether it's soon or gradually." The command "feel more comfortable" is embedded in a structure that presents it as an observation rather than a directive.
Truisms are statements about universal human experience that the client cannot disagree with, used to establish the "yes-set" that makes subsequent suggestions more readily accepted. "Everyone has experienced the pleasant sensation of being deeply absorbed in something interesting." "The body has a natural wisdom about finding rest." Trainers teach students to build suggestions by layering truisms, embedded commands, and pacing statements in sequences that progressively deepen suggestibility.
Metaphor and Storytelling
Ericksonian hypnotherapy makes extensive use of therapeutic metaphor and storytelling as indirect therapeutic vehicles. Erickson himself developed hundreds of case-derived stories that embedded suggestions for specific psychological changes within narratives about apparently unrelated subjects. Trainees learn the structure of therapeutic metaphor: isomorphism with the client's situation, embedded solution representation, and indirect suggestion of the desired resolution, all within a story that the conscious mind can enjoy while the unconscious receives the therapeutic message.
Trance Deepening Techniques
Induction establishes the initial state of trance; deepening methods increase the depth of hypnotic absorption, which improves the therapeutic effectiveness of subsequent suggestions for most applications.
Countdown and Staircase Deepening
Countdown deepening guides the client to associate descending numbers with increasing depth of relaxation and absorption. Trainees learn to embed escalating depth suggestions within the count, pace the count to the client's breathing rhythm, and use bridging language ("with each number, twice as deeply relaxed...") to create cumulative deepening. Staircase and elevator visualisations extend this principle through sustained imagery, allowing the client to develop a personally meaningful depth-association over multiple sessions.
Fractionalisation
Fractionalisation (interrupting trance and re-inducing) produces deeper trance with each cycle. Trainees learn to use fractionalisation strategically: interrupting the induction at a point of natural deepening, bringing the client briefly to lighter trance, then re-inducing. Each cycle produces a deeper baseline. This technique is taught as both a deepening method and as a therapeutic tool for clients who have difficulty sustaining deep trance in single extended inductions.
Ideomotor Response and Depth Testing
Ideomotor responses are unconscious muscular movements (finger signals, arm levitation, arm catalepsy) that occur in response to suggestion without voluntary conscious movement. Training in ideomotor response work develops the practitioner's ability to establish a reliable communication system with the client's unconscious, test trance depth without breaking the trance state through verbal questioning, and use ideomotor feedback to guide the session's therapeutic direction.
Ericksonian Hypnotherapy Training
Ericksonian hypnotherapy represents the most influential innovation in 20th-century hypnosis practice. Milton H. Erickson's approach fundamentally reframed the relationship between hypnotherapist and client: from a directive authority-compliance dynamic to a collaborative, respectful utilisation of the client's own natural resources and processes.
Ernest Rossi, one of Erickson's closest collaborators, documented and systematised many of Erickson's methods in their co-authored volumes (Erickson and Rossi, 1979; Rossi, 1993). The Betty Erickson technique and the Three-Step Induction (used for self-hypnosis training) are widely taught in contemporary Ericksonian programmes as accessible entry points to the broader Ericksonian skill set.
Core Ericksonian Training Skills
Pacing and leading is the foundational Ericksonian skill: the practitioner matches (paces) the client's current experience before attempting to guide (lead) it in a therapeutic direction. This principle applies at every level from breathing rhythm to emotional tone to belief systems. Trainees practise pacing in role-play exercises until it becomes habitual and automatic rather than deliberate and effortful.
Utilisation is the practice of working with whatever the client brings (including resistance, skepticism, unusual responses, and unexpected behaviours) as material to be used therapeutically rather than obstacles to manage. This requires considerable flexibility and creativity from the practitioner and represents a significantly different orientation from classical training's emphasis on client compliance.
The Ericksonian language patterns drawn from Neuro-Linguistic Programming's early codification of Erickson's methods (Bandler and Grinder, 1975) include: the Milton Model (a systematic map of Erickson's language patterns), embedded commands, artfully vague language (language that allows the client to apply universal statements personally), and presuppositions (linguistic structures that assume the desired outcome rather than suggesting it).
Working with Resistant Clients
Working effectively with client resistance is one of the most important and most difficult skills developed in hypnotherapy training. It requires a fundamental shift in how resistance is understood.
Classical hypnosis training often frames resistance as client non-compliance to be overcome through authority, persistence, or technique escalation. Ericksonian and contemporary clinical training frames resistance as a protective communication from the client's system that carries valuable information about what is needed. The client who cannot close their eyes during induction may be experiencing anxiety about loss of control; the client who keeps opening their eyes to check may need to maintain more environmental awareness for safety; the client who intellectualises suggestions rather than experiencing them may need a more permissive, indirect approach.
Trainees practise identifying the type of resistance being communicated, adjusting their approach accordingly, and maintaining warm therapeutic alliance through the adjustment rather than communicating frustration. Role-play exercises with trainers simulating different resistance profiles (analytical, emotionally protective, skeptical, distracted) develop this flexibility before trainees encounter it with real clients.
Case Conceptualisation Skills
Case conceptualisation is the clinical skill of creating a working understanding of a client's presenting concern within a framework that guides treatment selection, technique choice, and session structure.
In hypnotherapy training, case conceptualisation is taught through structured case study analysis, intake assessment practice, and supervised review of practicum cases. Trainees learn to distinguish between: presentations where hypnotherapy is the primary treatment (simple phobias, habit change, performance anxiety, acute procedural anxiety); presentations where hypnotherapy is an adjunctive tool within a broader treatment plan (chronic pain, IBS, some anxiety disorders); and presentations that require referral to other professionals before or instead of hypnotherapy (active psychosis, severe depression, complex trauma without specialist supervision).
This triage skill is ethically essential. Researchers in clinical hypnosis consistently note that the modality's effectiveness in appropriate presentations is substantially undermined when practitioners work outside their competence or apply hypnotherapy to presentations requiring specialist intervention.
Supervised Client Work
The practicum component transforms intellectual training into embodied clinical skill. Nothing in pre-practicum training fully prepares the trainee for the experience of conducting an actual client session, and this gap between theoretical knowledge and clinical performance is precisely what quality supervision addresses.
Formats of Supervision
Live supervision, where a supervisor observes the session in real time (through one-way mirror, adjacent presence, or video), provides the most immediate and contextually rich feedback. The supervisor can identify micro-moments where different choices would have been more effective, often missed in retrospective review. This format is less common because it requires dedicated facilities and supervisor time, but it produces the fastest skill development.
Recorded session review is the most common format in part-time and distance programmes. Trainees submit session recordings for supervisor analysis and receive written or verbal feedback. Quality feedback addresses not only technique choices but relationship dynamics, verbal and non-verbal congruence, suggestion timing, and missed opportunities visible on recording but not apparent to the trainee in the moment.
Group supervision gathers a small group of trainees with a supervisor to review and discuss case presentations. This format develops case conceptualisation through exposure to diverse presentations and exposes trainees to approaches different from their own. Many experienced practitioners continue group supervision throughout their careers as a vehicle for professional development and collegial support.
Contraindications and Safety Training
Safety and contraindication training is a mandatory component of responsible hypnotherapy education. Without this training, practitioners may inadvertently cause harm by working with presentations outside their competence or failing to recognise and respond effectively to adverse events during sessions.
Absolute Contraindications
Active psychosis or paranoid states, severe personality disorder without specialist supervision, unmanaged epilepsy where some induction procedures could precipitate seizures, and significant cardiovascular conditions in contexts involving intense relaxation or emotional activation are taught as presentations requiring specialist referral or medical clearance before hypnotherapy can proceed.
Abreaction Management
Abreaction is a sudden, intense emotional release during hypnosis, sometimes involving memories, physical sensations, or distress not anticipated from the intake presentation. All trainees receive training in abreaction management: how to respond to unexpected emotional intensity in a client during a session, how to gently bring a client out of a distressing trance state, how to provide grounding support after a session, and when to refer for additional psychological support following an abreaction that reveals complex material.
Abreaction management training typically involves role-play exercises where trainers simulate mild abreaction responses, and discussion of case examples where abreactions revealed presentations requiring specialist referral. Trainees who have received personal hypnotherapy are better equipped for this training because they understand the subjective experience of deep trance from the inside.
Personal Development Component
The personal development component of hypnotherapy training is often the most unexpectedly valuable part of the experience. Trainees who enter training expecting primarily to learn techniques frequently report that receiving hypnotherapy themselves, participating in intensive peer practice, and exploring their own responses to therapeutic process are what most deeply changed their capacity to work with clients.
Receiving hypnotherapy during training serves multiple functions. It develops direct experiential understanding of the subjective trance state, which no amount of watching or reading can provide. It reveals the practitioner's own vulnerabilities to certain trance phenomena (hypervigilance, difficulty with eye closure, emotional surfacing) that may be mirrored in specific client presentations. It processes material in the trainee's own history that, if unaddressed, may interfere with therapeutic neutrality when similar material appears in clients.
Research in psychotherapy training (Bennett-Levy, 2006) demonstrates that trainee-therapists who engage in personal therapy during training show measurably greater empathy, self-awareness, and clinical flexibility than those who do not, regardless of theoretical orientation. The same principle applies in hypnotherapy training, which is why credible programmes include mandatory personal hypnotherapy hours rather than offering them as optional.
Skill Progression Through Training
Hypnotherapy training skill development follows a characteristic arc that trainees benefit from understanding before they begin, to normalise the experience of early difficulty and maintain perspective during the steep learning curve of practicum.
| Training Phase | Primary Focus | Common Challenge | Milestone Indicator |
|---|---|---|---|
| Foundation (months 1-3) | PMR induction, basic suggestion scripting, trance theory | Feeling mechanical and scripted; over-monitoring technique | Successfully inducing trance in peer practice without script |
| Skill building (months 3-6) | Deepening techniques, rapid inductions, suggestion refinement | Inconsistent results across different practice partners | Reliably deepening trance in three or more consecutive sessions |
| Ericksonian foundations (months 6-9) | Pacing and leading, indirect suggestion, utilisation | Feeling less in control; uncertainty about when to guide vs follow | Successfully working with a resistant peer partner using utilisation |
| Practicum (months 9-18) | Real client work, case conceptualisation, supervision response | Performance anxiety with real clients; unexpected abreactions | Completing ten client sessions with positive outcome feedback and supervisor sign-off |
| Integration (final phase) | Developing personal therapeutic style, specialisation areas | Comparing self to more experienced practitioners | Receiving consistent client referral requests; supervisor confidence assessment |
Steiner's Philosophy and Therapeutic Presence
Rudolf Steiner's descriptions of inner development offer an unexpectedly relevant framework for understanding what hypnotherapy training cultivates in the practitioner's capacity for therapeutic presence.
In How to Know Higher Worlds (GA10, 1904), Steiner describes the development of the "imaginative" faculty: the capacity to hold a living inner image with full conscious presence, without imposing personal will upon it and without slipping into passive imagination or daydream. This inner quality of active receptive attention is precisely what distinguishes skilled therapeutic presence in a hypnotherapy session from either passive passivity (insufficient guidance) or controlling direction (undermining the client's autonomous process).
Steiner's exercises for developing concentration, equanimity, and positivity (outlined in the six supplementary exercises in Knowledge of the Higher Worlds) directly cultivate the psychological qualities that experienced hypnotherapy trainers identify as the hallmarks of an advanced therapeutic practitioner: sustained attentional focus without strain, inner stability during emotional client processes, and genuine positive regard for the client's potential that is not dependent on session outcome.
In Theosophy (GA9, 1904), Steiner describes the distinction between the soul that reacts to experience and the spirit that observes experience from a position of greater freedom. This distinction maps onto a core training challenge in hypnotherapy: learning to remain present and therapeutically effective during a client's emotional intensity or unexpected response, rather than being captured by the session's content or reacting from personal anxiety. Trainees who engage with Steiner's meditative development exercises alongside their clinical training often find their capacity for this quality of therapeutic presence deepens more naturally than through clinical technique training alone.
Journey of Souls: Case Studies of Life Between Lives (Michael Newton's Journey of Souls, 1) by Newton, Michael
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Frequently Asked Questions
What induction techniques are taught in hypnotherapy training?
Comprehensive hypnotherapy training covers a repertoire of induction approaches rather than a single method. Progressive muscular relaxation (PMR) induction teaches systematic body scanning and tension release. Eye-fixation inductions develop verbal pacing and leading skills. Rapid inductions (arm levitation, handshake interrupt, instant induction) develop the practitioner's ability to work with naturally occurring trance states. Ericksonian naturalistic inductions teach the use of everyday language and conversational rapport to deepen trance without formal procedures. Confusion techniques (Erickson's handshake and patter methods) train the practitioner to work with analytically resistant clients. Training in multiple approaches is essential because different clients respond best to different styles.
How do hypnotherapy trainees learn to write effective therapeutic suggestions?
Suggestion writing is typically taught through analysis of existing scripts, identification of linguistic patterns that increase suggestibility, and progressive script development with trainer feedback. Trainees learn the difference between direct suggestion (commanding the unconscious to respond) and indirect suggestion (offering possibilities and metaphors that allow the unconscious to find its own pathway to the desired response). Ericksonian indirect suggestion involves embedded commands, truisms, and universal experience statements. Trainees practise writing and delivering suggestions for common applications (smoking cessation, confidence, pain management) before developing personalised session scripts for individual client presentations.
What is trance deepening and how is it taught?
Trance deepening refers to techniques that deepen the level of hypnotic absorption after induction has established initial trance. Common deepening techniques taught in training include: countdown methods (counting from ten to one with suggestions of increasing depth), staircase or elevator visualisations (descending imagery with verbal depth suggestions), fractionalisation (bringing the client partially out of trance and re-inducing, which deepens each subsequent induction), and arm catalepsy testing (using ideomotor responses to both test depth and deepen it). Trainees practise recognising trance indicators (slow breathing, facial muscle relaxation, REMs) to assess depth without verbal testing.
How does hypnotherapy training address working with resistant clients?
Resistance in hypnotherapy is understood as important clinical information rather than a problem to be overcome. Training covers: reframing resistance as protective unconscious intelligence; using the client's resistance within the induction rather than working against it (Ericksonian utilisation technique); distinguishing between analytical resistance (skepticism, need for control) and emotional resistance (protective avoidance of content); adjusting suggestion style from direct to indirect when direct suggestions are not received; and maintaining therapeutic alliance by validating the client's experience rather than challenging it. Trainers often model resistant client styles in role-plays so trainees practise adapting in real time.
What personal development work is included in hypnotherapy training?
Quality hypnotherapy training includes significant personal development components. Trainees receive hypnotherapy themselves (as clients) to understand the subjective experience, develop empathy for client vulnerability, and process any personal material that may interfere with effective practice. Peer practice sessions, where trainees alternate as hypnotherapist and client, provide both skill development and personal process opportunity. Some programmes include personal therapy hours, reflective journalling, and supervision of the trainee's own responses to clients as part of their professional development. This parallels the personal therapy requirements in psychotherapy training and is considered essential for practitioners who will be facilitating deep personal process work.
How is Ericksonian hypnotherapy taught differently from classical hypnosis?
Classical hypnosis training emphasises authority, command-style suggestion, and client compliance. Ericksonian training emphasises rapport, permissiveness, utilisation, and indirection. In Ericksonian training, practitioners learn to pace the client's current experience before attempting to lead it, use language that is meaningful to the individual client rather than standardised scripts, embed therapeutic suggestions within naturalistic conversation, work with metaphor and storytelling as therapeutic vehicles, and respect the client's natural resistance rather than attempting to override it. Ericksonian training typically involves more personal practice, clinical supervision, and advanced language skills development than classical training programmes.
What does supervised client work involve in hypnotherapy training?
Supervised client work (practicum) is the practical application phase where trainees work with real clients under qualified supervisor oversight. Formats vary: some programmes use live supervision (trainer observes session through one-way mirror or video and provides feedback immediately after); others use recorded session review (trainee submits session recordings for supervisor analysis); and group supervision (small group of trainees discuss case presentations, challenges, and outcomes with a supervisor). Quality practicum supervision addresses case conceptualisation, induction choice, suggestion effectiveness, therapeutic relationship dynamics, contraindication management, and professional ethics in real clinical situations.
How do hypnotherapy trainees develop case conceptualisation skills?
Case conceptualisation is the skill of creating a working understanding of a client's presenting concern, underlying psychological dynamics, and appropriate treatment direction. In hypnotherapy training, this is taught through case study analysis, structured intake assessment practice, and supervised client work. Trainees learn to distinguish between presentations suitable for direct hypnotherapy (habit change, performance anxiety, phobias) and those requiring integration with psychotherapy or referral to other professionals (complex trauma, psychosis, unmanaged mood disorders). This triage skill is considered a core competency in clinical hypnotherapy training.
How does hypnotherapy training address contraindications and safety?
Safety and contraindication training is a mandatory component of credible hypnotherapy programmes. Trainees learn absolute contraindications (active psychosis, severe personality disorder without specialist supervision, epilepsy in some contexts, some cardiovascular conditions during specific induction styles) and relative contraindications (dissociative tendencies, borderline states, early trauma work without specialist training). Training also covers abreaction management (working with unexpected emotional release during sessions), post-session destabilisation response protocols, when to refer rather than treat, and documentation standards for clinical safety.
What role does Rudolf Steiner's philosophy play in understanding hypnotherapy training?
Rudolf Steiner's anthroposophical psychology, particularly his descriptions in How to Know Higher Worlds (GA10, 1904), offers a complementary framework for understanding what hypnotherapy training develops in the practitioner. Steiner described the development of the 'imaginative' faculty: the capacity to hold a clear inner image with full conscious presence without slipping into fantasy or imposing will. This precisely describes the therapeutic attention quality a skilled hypnotherapist develops: full presence with the client's unfolding process, clear inner clarity of intention, and non-coercive guidance through imagery and language. Trainees who engage with Steiner's meditative development exercises often find their capacity for therapeutic presence deepens more readily.
Sources
- Bandler, R., & Grinder, J. (1975). The Structure of Magic. Science and Behavior Books, Palo Alto.
- Bennett-Levy, J. (2006). Therapist skills: A cognitive model of their acquisition and refinement. Behavioural and Cognitive Psychotherapy, 34(1), 57-78.
- Erickson, M.H., & Rossi, E.L. (1979). Hypnotherapy: An Exploratory Casebook. Irvington, New York.
- Kirsch, I., Montgomery, G., & Sapirstein, G. (1995). Hypnosis as an adjunct to cognitive-behavioral psychotherapy: A meta-analysis. Journal of Consulting and Clinical Psychology, 63(2), 214-220.
- Rossi, E.L. (1993). The Psychobiology of Mind-Body Healing. Norton, New York.
- Spiegel, H., & Spiegel, D. (2004). Trance and Treatment: Clinical Uses of Hypnosis (2nd ed.). American Psychiatric Publishing, Washington DC.
- Steiner, R. (1904). How to Know Higher Worlds (GA10). Anthroposophic Press, Hudson, NY.
- Steiner, R. (1904). Theosophy (GA9). Anthroposophic Press, Hudson, NY.
- Steiner, R. (1909). Occult Science: An Outline (GA13). Rudolf Steiner Press, London.
- Whorwell, P.J., Prior, A., & Faragher, E.B. (1984). Controlled trial of hypnotherapy in the treatment of severe refractory irritable-bowel syndrome. Lancet, 2(8414), 1232-1234.