Resonance occupies a richly polysemous position in the depth-psychology corpus, operating simultaneously as a neurobiological mechanism, an archetypal process, a philosophical principle of individuation, and a phenomenological quality of dream imagery. Daniel Siegel anchors the term most precisely in neuroscience, identifying 'resonance circuits'—orbitofrontal, anterior cingulate, and midline prefrontal structures including mirror neurons—as the neural substrate through which one mind attunes to and internally simulates another's state. This interpersonal-neurobiological usage frames resonance as the physiological bedrock of empathy, attachment repair, and therapeutic change. Michael Conforti extends the concept into Jungian field theory, treating resonance as the mechanism by which clinical repetitions entrain both patient and therapist to underlying archetypal constellations. Mario Jacoby pursues a cognate idea through the mythological register, arguing that the Muses were created precisely to give resonance to existence—establishing mirroring and affirmation as ontological necessities for healthy narcissism. Richard Schwartz grounds resonance in a quasi-physical field ontology borrowed from wave mechanics, where Self-to-Self vibration across persons constitutes transpersonal connection. Erik Goodwyn formalizes 'psychological resonance' as a measurable property of dream images. Gilbert Simondon, operating from a philosophy-of-individuation standpoint, treats internal resonance as the living being's constitutive self-relation, the very process by which organisms continuously re-individuate rather than merely equilibrate. These positions are in productive tension: the neuroscientific, the archetypal, the ontological, and the phenomenological.
In the library
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A set of interconnected neural regions I have called the 'resonance circuits' enables us to tune in to others and align our internal states with them. This circuit involves the orbitofrontal cortex and anterior cingulate, as well as other midline structures
Siegel identifies specific neural architecture—'resonance circuits' including mirror neurons and midline prefrontal structures—as the biological mechanism by which interpersonal attunement and internal state alignment are achieved.
Siegel, Daniel J., The Developing Mind: How Relationships and the Brain Interact to Shape Who We Are, 2020thesis
The living individual is a system of individuation, an individuating system, and a system that is in the midst of undergoing the process of individuating; internal resonance and the translation of self-relation into information
Simondon argues that internal resonance is not merely a metaphor but the ontological mechanism by which a living being continuously constitutes itself through self-relation, distinguishing life from mere technical operation.
Simondon, Gilbert, Individuation in Light of Notions of Form and Information, 2020thesis
The repetition of these events between the client and therapist creates a resonance and entrainment to the underlying archetypal constellation. All life develops through the creation and development of such resonances between the contained and the container.
Conforti positions resonance as the field-theoretical process by which clinical repetitions entrain the therapeutic dyad to an archetypal pattern, making it a morphogenetic rather than merely psychological phenomenon.
Conforti, Michael, Field, Form, and Fate: Patterns in Mind, Nature, and Psyche, 1999thesis
Because our particle Self is an aspect of a vibrating field, it will resonate with the Self in other people and in our parts. Resonance is a type of motion, characterized by oscillation between two states. And ultimately all matter is just vibrations of various underlying fields.
Schwartz imports wave-physics terminology to argue that the Self is literally a vibrational field that resonates across persons and intra-psychic parts, grounding IFS transpersonal connection in a quasi-physical ontology.
The Muses had to be created to give resonance to this existence by music, and re-flection of it by words. If this holds true of the macrocosm, how much more does a microcosm, the fragile and vulnerable individual human being, need praise, resonance and mirroring of his existence?
Jacoby uses the myth of the Muses to argue that resonance—as affirmation, mirroring, and musical reflection—is a cosmological and psychological necessity, not merely a therapeutic technique.
Jacoby, Mario, The Analytic Encounter: Transference and Human Relationship, 1984thesis
Looking at the characteristics of resonance (minimal unusualness, emotionality, sensual vividness, indeterminacy of time/place, middle-level categories, low complexity, rhythmic elements, simple plots/irony, interconnectedness)
Goodwyn formalizes psychological resonance as a measurable property of dream images defined by a specific cluster of phenomenological and structural characteristics that determine a dream's affective grip.
Goodwyn, Erik D., Understanding Dreams and Other Spontaneous Images: The Invisible Storyteller, 2018thesis
psychological resonance 3 psychological resonance defined 37–40 psychotherapy as alchemical exercise 49
The concordance entry in Goodwyn's own index treats psychological resonance as a defined technical term occupying a central place in his theory of how spontaneous images achieve their affective and meaning-making power.
Goodwyn, Erik D., Understanding Dreams and Other Spontaneous Images: The Invisible Storyteller, 2018supporting
The attuned resonant relationship with the therapist allows patients to make left-mode, verbally mediated, interpreter-driven sense out of their right-mode autobiographical representations.
Siegel links resonance explicitly to therapeutic mechanism, arguing that the attuned resonant therapeutic relationship enables hemispheric integration and the narrative processing of previously dissociated traumatic material.
Siegel, Daniel J., The Developing Mind: How Relationships and the Brain Interact to Shape Who We Are, 2020supporting
the becoming of the living being is always a becoming between two individuations; the individuating and the individuated are in a prolonged allagmatic relation in the living being.
Simondon elaborates the allagmatic structure of living individuation—the ongoing reciprocal relation between individuating process and individuated result—which constitutes the philosophical scaffolding for his concept of internal resonance.
Simondon, Gilbert, Individuation in Light of Notions of Form and Information, 2020supporting
All musical sounds are motions started by a blow, and these motions follow one another at shorter or longer intervals, making the sound heard correspondin
Plato's Timaeus grounds acoustic resonance in the physics of vibrational transmission, providing the cosmological precursor to later psychological appropriations of the resonance metaphor.
Plato, Plato's cosmology the Timaeus of Plato, 1997supporting
The two strings must be in tune with one another, so that the proper concordant correspondence exists at the outset.
The Timaeus account of musical concordance establishes that resonance requires pre-existing structural correspondence between systems—a principle that recurs in depth-psychological formulations of attunement.
Plato, Plato's cosmology the Timaeus of Plato, 1997supporting
Fourth Yang loses its resonate relationship with First Yin. This is why Fourth Yang must release [i.e., free itself from] this big toe before the friend [First Yin, its true resonate partner] will come.
Wang Bi's I Ching commentary deploys 'resonate relationship' as a technical term for the proper cosmological pairing of yin and yang lines, introducing resonance as a structural principle of relational rightness.
Wang Bi, Richard John Lynn, The Classic of Changes: A New Translation of the I Ching as Interpreted by Wang Bi, 1994supporting
relationships that are characterized by mutual understanding, emotional attunement, and a sense of interpersonal joining as a part of a larger we.
Siegel characterizes optimal interpersonal integration through the language of attunement and joining, concepts that are functionally synonymous with resonance in his broader framework even when the term itself is not deployed.
Siegel, Daniel J., The Developing Mind: How Relationships and the Brain Interact to Shape Who We Are, 2020aside
the salubrious sensations evoked by the combination of breathing and the sound's reverberations allow the individual to contact an inner security and trust along with some sense of orientation
Levine describes somatic resonance through vocalic reverberation as a bodily pathway to restoring the internal sense of safety disrupted by trauma.
Levine, Peter A., In an Unspoken Voice: How the Body Releases Trauma and Restores Goodness, 2010aside
the clay at the end of molding is the mass in which all the forces of deformation encounter in every direction forces equal and in opposite directions to those of which their equilibrium consists.
Simondon's analysis of molding as a dynamic equilibrium of forces provides the broader ontological context within which his concept of internal resonance in living systems becomes intelligible.
Simondon, Gilbert, Individuation in Light of Notions of Form and Information, 2020aside