Within the depth-psychology corpus, the apple operates as a remarkably polyvalent symbol whose meanings range from the purely neurological to the profoundly mythological. At one pole, Barrett and LeDoux deploy the apple as a paradigm case for embodied cognition and predictive neural simulation — the brain’s capacity to reconstruct sensory experience from mere conceptual cues. At the other pole, Jungian and archetypal writers — Signell, Bly, von Franz, Jung himself — treat the apple as a primary symbol laden with pre-Christian associations: immortality, paradise, the goddess, Sophia, the sacred pentangle, and the alchemical tree of life. Critically, Signell traces how the apple’s esteem in goddess religion was inverted and pathologized under patriarchal Christianity, transforming a symbol of life and fecundity into one of temptation, forbidden knowledge, and the Fall. Carson’s literary-erotic analysis finds the apple operating as an emblem of desire and unreachability in Sappho, while Auerbach’s philological work recovers its pivotal dramatic role in the medieval Adam play. Jung and his circle return repeatedly to the apple-tree as an alchemical image connected to the tree of paradise, the second Adam (Christ), and transformative symbolism. The term thus sits at the intersection of archetypal imagery, embodied cognition, and the long Western mythological argument over nature, knowledge, and the feminine.