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Comparative Anatomy of the Psyche

Comparative Anatomy of the Psyche

Jung’s method of proof for the collective unconscious is morphological, not philosophical. “Just as the human body represents a whole museum of organs, with a long evolutionary history behind them, so we should expect the mind to be organized in a similar way rather than to be a product without history… This immensely old psyche forms the basis of our mind, just as the structure of our body is erected upon a generally mammalian anatomy. Wherever the trained eye of the morphologist looks, it recognizes traces of the original pattern” (Jung, CW 18 §522).

The evidence is image-comparative: dream-images produced autochthonously by individuals who could not have encountered their mythological analogues through personal experience, cultural transmission, or education. “The experienced investigator of the psyche cannot help seeing the analogies between dream-images and the products of the primitive mind, its représentations collectives, or mythological motifs. But just as the morphologist needs the science of comparative anatomy, so the psychologist cannot do without a ‘comparative anatomy of the psyche’” (CW 18 §522). The method requires a double competence: thorough acquaintance with dreams and the spontaneous productions of the unconscious, and thorough acquaintance with mythology in its widest sense.

This method is the practical foundation of Jung’s whole evidentiary argument, and it is what amplification operationalizes in the consulting room and von Franz‘s fairy-tale scholarship operationalizes in the library. The collective unconscious is not directly observable; the archetype-as-such is “irrepresentable.” What is observable is the recurring motif — the same structure appearing in the dream of a Swiss patient, the myth of a Pueblo tribe, and an alchemical woodcut from four centuries earlier. Where the pattern recurs across contexts that cannot account for its recurrence by shared tradition, the inference to a common psychic substrate is empirically licensed.

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