Individualization in the depth-psychology corpus occupies a conceptually charged position that must be carefully distinguished from, yet held in productive tension with, individuation. Where Jung employs individuation to name the teleological integration of the whole psyche — including its unconscious depths — individualization in his usage designates the methodological imperative to tailor therapeutic technique to the singular person, resisting the homogenizing tendencies of both Freudian biologism and Adlerian social reduction. Rudhyar further sharpens the distinction within an astrological-philosophical register, mapping individualization as the solar, ego-consolidating arc from Leo to Capricorn — the conscious achievement of a bounded 'I am' — while reserving individuation for the subsequent transpersonal dissolution and reintegration. Simondon, arriving from a philosophy of technology and biology rather than psychotherapy, radically reconceptualizes the term: individualization names a secondary operation whereby an already-individuated psychosomatic being undergoes internal splitting into somatic and psychical domains, resolving tensions with its milieu through the production of signification. Rank traces individualization at the cultural-historical level, arguing that increasing individualization transforms instinctive collective art-impulses into consciously willed personal expression, thereby reshaping the entire ideology of culture. Neumann situates the process within the broader history of consciousness, linking it to the constructive, spiritually generative tendencies of group psychology on its way toward greater ego differentiation. Across these registers the term marks a threshold, a structural division, and a clinical imperative simultaneously.
In the library
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Starting in Leo on the path to individualization with great solar spontaneity, Man reaches in Capricorn full and concrete individualization as an 'I am'—in a personal or a planetary sense. Then he begins to assimilate the beyond, the contents of the collective unconscious—and this is the path to individuation.
Rudhyar draws a decisive structural distinction between individualization as the ego-consolidating solar arc culminating in Capricorn and individuation as the subsequent transpersonal opening to collective unconscious contents.
Dane Rudhyar, The Astrology of Personality: A Re-formulation of Astrological Concepts and Ideals in Terms of Contemporary Psychology and Philosophy, 1936thesis
Before individualization, psychosomatic unity is a homogeneous unity; after individualization, it becomes a functional and relational unity. Individualization is merely a partial splitting (in normal cases), for the psycho-physiological relation sustains the unity of the individuated being.
Simondon defines individualization as a secondary, partial splitting of the already-individuated psychosomatic being into somatic and psychical domains, with the psycho-physiological relation preserving unity across the divide.
Simondon, Gilbert, Individuation in Light of Notions of Form and Information, 2020thesis
I have stressed the need for more extensive individualization of the method of treatment and for an irrationalization of its aims—especially the latter, which would ensure the greatest possible freedom from prejudice.
Jung explicitly advocates for the individualization of therapeutic method as a corrective against the collectivizing tendencies of both Freudian and Adlerian psychology, linking it to respect for the singular person's own path.
Jung, Carl Gustav, The Practice of Psychotherapy: Essays on the Psychology of the Transference and Other Subjects, 1954thesis
a preliminary community of the conditions of the personality allows for the formation of a single mediation, of a single personality for two individuations and two individualizations.
Simondon argues that genuine interpersonal community can only arise at the level prior to constituted personalities, showing that individualization belongs to a structural layer between individuation and sociality.
Simondon, Gilbert, Individuation in Light of Notions of Form and Information, 2020thesis
increasing individualization alters the whole cultural ideology and therefore art with it; and consequently abstract linear ornament is not now created consciously by the individual will of the artists as heretofore instinctively by the primitive impulse to abstraction.
Rank reads increasing cultural individualization as a historical force that transforms collective instinctive art-impulses into consciously willed personal expression, fundamentally reshaping aesthetic ideology.
Rank, Otto, Art and Artist: Creative Urge and Personality Development, 1932supporting
each hydranth becomes the center of a coenobium associated with other coenobia, each one originating from the complete yet fleeting individualization of hydranths detached from older coenobia.
Simondon grounds individualization biologically by showing how individualization operates as a measurable, transient parameter distributed between part and whole in colonial organisms.
Simondon, Gilbert, Individuation in Light of Notions of Form and Information, 2020supporting
the more the whole is individualized, the less individualized the parts are; on the contrary, if the parts are almost complete individuals, virtually detachable without requiring regeneration afterwards, the whole is poorly individualized.
Simondon establishes individualization as an inversely distributed quantity between parts and wholes, providing the ontogenetic scaffolding for his later psychical and social applications of the concept.
Simondon, Gilbert, Individuation in Light of Notions of Form and Information, 2020supporting
the genuine group man is for the most part unconscious, he nevertheless lives under the rule of centroversion; he is a psychic whole in which powerful tendencies are at work, making for consciousness, individualization, and spiritual growth.
Neumann situates individualization as one of three co-emergent developmental tendencies within group psychology, connecting it to centroversion and spiritual growth in the history of consciousness.
Neumann, Erich, The Origins and History of Consciousness (Princeton, 2019supporting
this individuation after the initial individuation is individualizing for the individual to the extent that it is resolving for the milieu.
Simondon articulates the reciprocal logic whereby further individuation of the living being simultaneously constitutes an individualizing resolution of tension in its surrounding milieu.
Simondon, Gilbert, Individuation in Light of Notions of Form and Information, 2020supporting
The concept of this individualized soul-image has a long, complicated history; its appearance in cultures is diverse and widespread and the names for it are legion.
Hillman situates the individualized soul-image — the acorn or daimon — within a cross-cultural history of concepts for the unique formative principle governing each singular life.
Hillman, James, The Soul's Code: In Search of Character and Calling, 1996supporting
throughout human history the expression of individuality has been felt as a threat to the status quo. For all its expressed championing of the individual, our culture in many ways favors conformity.
Moore registers the cultural resistance to genuine individuality as a psychological and social reality, contextualizing the soul's need for its own path against the deadening pull of collective sameness.
Moore, Thomas, Care of the Soul Twenty-fifth Anniversary Edition: A Guide, 1992aside
clinicians should work in partnership with clients on a case-by-case basis to develop strategies that maximize recovery capital (and its utilization) tailored to the individual's situation.
Laudet invokes the individualization of clinical services as a practical recovery-management principle, echoing the Jungian therapeutic imperative in an empirical addiction-treatment context.
Laudet, Alexandre B., Recovery Capital as Prospective Predictor of Sustained Recovery, Life Satisfaction, and Stress Among Former Poly-Substance Users, 2008aside