Psychedelic states occupy a peculiar and contested position within the depth-psychology corpus, functioning simultaneously as pharmacological phenomena, windows onto the unconscious, and occasions for mystical or transpersonal experience. The literature divides, broadly, along three axes. First, the therapeutic tradition — represented most comprehensively by Stanislav Grof — treats psychedelic states as accelerated access routes to perinatal, biographical, and transpersonal strata of the psyche, arguing that high-dose sessions can produce personality transformations of a depth and durability unavailable through conventional analytic work. Second, the neurobiological tradition — most rigorously developed by Carhart-Harris and colleagues — reframes psychedelic states as conditions of elevated neural entropy, in which the default mode network's ego-sustaining functions are suppressed and primary consciousness re-emerges; this account bridges depth-psychological intuitions about ego dissolution with measurable brain dynamics. Third, the Jungian integration project — notably in Mahr and McGovern — asks whether psychedelic states grant access to archetypal rather than merely personal unconscious material, and whether the clinical and theoretical frameworks of analytical psychology can accommodate, or even require, this expanded phenomenology. Running through all three traditions is the unresolved question of whether the contents disclosed in psychedelic states are ontologically meaningful or artefactual, and whether their therapeutic value depends on mystical interpretation or neurochemical reorganisation alone.
In the library
27 passages
Psychedelic drugs appear to provide access to unconscious material and, when used in a therapeutic context, may cause deep and longstanding psychological change. The psychological effects of psychedelic drugs are reviewed from the perspective of Jungian theory.
This paper argues that psychedelic states function as access routes to the Jungian unconscious and proposes that their therapeutic effects can be systematically interpreted through archetypal theory.
Mahr, Greg, Psychedelic Drugs and Jungian Therapy, 2020thesis
random and so harder to predict in primary states - of which the psychedelic state is an exemplar... one reason why the DMN is so highly and persistently active, is that it receive regular endogenous input from internal drivers.
Carhart-Harris positions the psychedelic state as the neurological exemplar of primary consciousness, defined by suppression of the default mode network and the consequent dissolution of ego-anchored predictability.
Carhart-Harris, Robin, The Entropic Brain: A Theory of Conscious States Informed by Neuroimaging Research with Psychedelic Drugs, 2014thesis
psychedelic sessions were associated with dramatic emotions, psychomotor excitement, and vivid perceptual changes. They thus seemed to be closer to states that psychiatrists considered to be pathological and tried to suppress by all means than to conditions to which one would attribute therapeutic potential.
Grof documents the institutional resistance to psychedelic states by situating them historically as mistaken for pathology, thereby establishing the revisionary claim that such states carry intrinsic therapeutic potential.
Grof, Stanislav, LSD Psychotherapy: The Healing Potential of Psychedelic Medicine, 1980thesis
psychedelic sessions were associated with dramatic emotions, psychomotor excitement, and vivid perceptual changes. They thus seemed to be closer to states that psychiatrists considered to be pathological and tried to suppress by all means than to conditions to which one would attribute therapeutic potential.
Parallel to the companion volume, Grof frames the misclassification of psychedelic states as pseudo-psychoses as the central conceptual obstacle the field was obliged to overcome.
Grof, Stanislav, LSD Psychotherapy: Exploring the Frontiers of the Hidden Mind, 1980thesis
The subject in this state feels that he has access to direct insightful knowledge and wisdom about matters of fundamental and universal significance... it is a complex revelatory insight into the essence of being and existence.
Grof characterises the epistemological quality of the psychedelic state as a form of unitive, ontologically privileged insight that supersedes ordinary consensual knowledge.
Grof, Stanislav, Realms of the Human Unconscious: Observations from LSD Research, 1975thesis
psychedelic drugs are especially useful tools for studying primary states as they allow for primary consciousness to be 'switched on' with a relatively high degree of experimental control.
The entropic brain framework asserts that psychedelic states offer the most experimentally tractable model of primary consciousness, enabling neuroscientific hypotheses about ego and selfhood to be empirically tested.
Carhart-Harris, Robin, The Entropic Brain: A Theory of Conscious States Informed by Neuroimaging Research with Psychedelic Drugs, 2014thesis
with careful volunteer screening and preparation and when sessions are conducted in a comfortable, well-supervised setting, a high dose of 30 mg/70 kg psilocybin can be administered safely.
Griffiths demonstrates empirically that controlled psychedelic states can be induced safely and reliably occasion mystical-type experiences of lasting personal and spiritual significance.
Griffiths, Roland, Psilocybin Can Occasion Mystical-Type Experiences Having Substantial and Sustained Personal Meaning and Spiritual Significance, 2006thesis
Consciousness after the ingestion of LSD manifests a characteristic qualitative transformation... there is also none of the confusion and disorientation in regard to personal identity, time, and place of the session that can be seen after the administration of common delirogens.
Grof distinguishes the psychedelic state phenomenologically from delirium and toxic psychosis, establishing its qualitative specificity as a class of altered consciousness distinct from pathological confusional states.
Grof, Stanislav, Realms of the Human Unconscious: Observations from LSD Research, 1975supporting
Within the psycholytic framework, transpersonal phenomena are not acknowledged and their therapeutic value is not recognized. Patients are thus implicitly or explicitly discouraged from entering transcendental states.
Grof argues that the failure to honour transpersonal dimensions of psychedelic states within the psycholytic approach forecloses the most therapeutically significant registers of the experience.
Grof, Stanislav, LSD Psychotherapy: The Healing Potential of Psychedelic Medicine, 1980supporting
Within the psycholytic framework, transpersonal phenomena are not acknowledged and their therapeutic value is not recognized. Patients are thus implicitly or explicitly discouraged from entering transcendental states.
Duplicating the argument in the companion volume, Grof insists that transpersonal phenomena accessible in psychedelic states require a theoretical framework that psycholytic practice systematically refuses.
Grof, Stanislav, LSD Psychotherapy: Exploring the Frontiers of the Hidden Mind, 1980supporting
While DMT may be involved in both spiritual and psychotic experiences, it is important to distinguish between them... mystical experiences result from a mature and conscious effort toward obtaining them.
Strassman draws a phenomenological and contextual boundary between psychedelic mystical experience and psychotic states, arguing that intentionality, moral context, and social sanction differentiate the two.
Strassman, Rick, DMT: The Spirit Molecule: A Doctor's Revolutionary Research into the Biology of Near-Death and Mystical Experiences, 2001supporting
While DMT may be involved in both spiritual and psychotic experiences, it is important to distinguish between them... mystical experiences result from a mature and conscious effort toward obtaining them.
In parallel text, Strassman reinforces the interpretive boundary between sanctioned psychedelic mystical experience and unsolicited psychotic phenomena, grounding the distinction in set, context, and intention.
Strassman, Rick, DMT: The Spirit Molecule, 2001supporting
it is by altering brain function that psychedelics change consciousness. The earliest psychopharmacological... DMT and 5-MeO-DMT effects are remarkably rapid in onset and brief in duration.
Strassman grounds psychedelic states in pharmacological mechanism, emphasising that consciousness alteration is produced through brain function modification, while documenting the variable temporal profiles of different compounds.
Strassman, Rick, DMT: The Spirit Molecule: A Doctor's Revolutionary Research into the Biology of Near-Death and Mystical Experiences, 2001supporting
it is by altering brain function that psychedelics change consciousness... DMT and 5-MeO-DMT effects are remarkably rapid in onset and brief in duration.
The pharmacological framing positions psychedelic states as the direct consequence of neurochemical action, with duration and intensity determined by chemical structure and route of administration.
Strassman, Rick, DMT: The Spirit Molecule, 2001supporting
Maximum awareness of the inner process and its full emotional, perceptual and physical expression is of paramount importance for a good integration of the LSD experience.
Grof specifies the conditions for productive psychedelic states in clinical settings, arguing that internalization, full somatic expression, and integration are essential to therapeutic outcome.
Grof, Stanislav, LSD Psychotherapy: The Healing Potential of Psychedelic Medicine, 1980supporting
Maximum awareness of the inner process and its full emotional, perceptual and physical expression is of paramount importance for a good integration of the LSD experience.
The parallel text reiterates that the safety and value of psychedelic states depend on maintaining an internalized, expression-permissive orientation throughout the session.
Grof, Stanislav, LSD Psychotherapy: Exploring the Frontiers of the Hidden Mind, 1980supporting
According to the nature of the emerging unconscious material, Freudian, Rankian, or Jungian approach might be used in various stages of the treatment.
Grof's early clinical framework positions psychedelic states as theoretically plurivocal, demanding interpretive frameworks drawn from Freudian, Rankian, and Jungian depth psychology depending on the phenomenological register encountered.
Grof, Stanislav, Varieties of Transpersonal Experiences: Observations from LSD Psychotherapy, 1972supporting
The whole world is brilliant. . . . The whole room is filled with spirits... Everything has a spiritual tinge but is so real. . . . I feel that I have landed.
Firsthand reports from early DMT research illustrate the characteristic phenomenology of full-dose psychedelic states: spatial dissolution, spirit encounter, and oscillation between awe and groundedness.
Strassman, Rick, DMT: The Spirit Molecule: A Doctor's Revolutionary Research into the Biology of Near-Death and Mystical Experiences, 2001supporting
There is a progression from the personal to the transpersonal series of experiences DMT elicits. It's possible to work through one's own psychological and psychosomatic problems with the spirit molecule's light and power.
Strassman identifies a hierarchical phenomenological sequence in psychedelic states, moving from personal psychodynamic material through near-death encounter to mystical-transpersonal experience.
Strassman, Rick, DMT: The Spirit Molecule: A Doctor's Revolutionary Research into the Biology of Near-Death and Mystical Experiences, 2001supporting
There is a progression from the personal to the transpersonal series of experiences DMT elicits... Near-death experiences seem to have the greatest impact on those who take the next step within that mysterious experience—the leap to a mystical level of awareness.
The personal-to-transpersonal arc described in DMT phenomenology parallels depth-psychological models of the unconscious, situating psychedelic states within a developmental structure of psychic experience.
Strassman, Rick, DMT: The Spirit Molecule, 2001supporting
The three major scales on the APZ are the OSE (oceanic boundlessness, a state common to classic mystical experiences including feelings of unity and transcendence of time and space), the AIA (dread of ego dissolution, dysphoric feelings similar to those of some 'bad trips').
Griffiths employs validated psychometric instruments to differentiate phenomenological dimensions of psychedelic states, including oceanic unity and ego-dissolution anxiety, providing empirical structure to qualitative descriptions.
Griffiths, Roland, Psilocybin Can Occasion Mystical-Type Experiences Having Substantial and Sustained Personal Meaning and Spiritual Significance, 2006supporting
In our current materialistic culture, where spirituality is dogmatically marginalized, there may be more of such 'poor impoverished creatures' than Jung might have imagined. For these individuals, hallucinogens could be a heaven-sent gift.
Mahr contextualises the contemporary therapeutic relevance of psychedelic states within a post-religious cultural landscape where pharmacologically facilitated access to the numinous may compensate for the atrophy of traditional spiritual pathways.
Mahr, Greg, Psychedelic Drugs and Jungian Therapy, 2020supporting
I myself have no doubt that psychedelics can occasionally induce elements of genuine extrasensory perception at the time of their pharmacological effect.
Grof makes the speculative claim that psychedelic states can produce paranormal perceptual capacities, extending the phenomenological catalogue beyond conventional altered-state accounts.
Grof, Stanislav, LSD Psychotherapy: The Healing Potential of Psychedelic Medicine, 1980aside
I myself have no doubt that psychedelics can occasionally induce elements of genuine extrasensory perception at the time of their pharmacological effect.
The parallel assertion in the companion volume reinforces Grof's contention that psychedelic states may episodically breach ordinary sensory limits, a claim central to his transpersonal model.
Grof, Stanislav, LSD Psychotherapy: Exploring the Frontiers of the Hidden Mind, 1980aside
Many patients showed a definite alleviation of various emotional symptoms, such as depression, general tension, sleep disturbances, and psychological withdrawal. LSD therapy also had a striking, although not predictable, effect on severe physical pain.
Clinical data from the Maryland Psychiatric Research Center establish the therapeutic range of psychedelic states applied to terminal cancer patients, demonstrating measurable symptom alleviation including analgesia.
Grof, Stanislav, LSD Psychotherapy: The Healing Potential of Psychedelic Medicine, 1980aside
Eigenmodes of the deep unconscious: the neuropsychology of Jungian archetypes and psychedelic experience
McGovern's recent synthesis proposes that psychedelic states activate neural eigenmodes corresponding to Jungian archetypes, offering a neuropsychological bridge between depth-psychological theory and contemporary psychedelic neuroscience.
McGovern, Hugh, Eigenmodes of the Deep Unconscious: The Neuropsychology of Jungian Archetypes and Psychedelic Experience, 2025aside
Ego-dissolution and psychedelics: validation of the ego-dissolution inventory (EDI).
This bibliographic reference within a shamanism study indexes the conceptual linkage between psychedelic states, ego dissolution, and altered states of consciousness research, situating the field within a broader anthropological and Jungian frame.
Sun, Hang; Kim, Eunyoung, Archetype Symbols and Altered Consciousness: A Study of Shamanic Rituals in the Context of Jungian Psychology, 2024aside