Expectation occupies a pivotal position across multiple registers of depth-psychological and neuroscientific discourse gathered in this corpus. At its most fundamental, expectation designates the anticipatory structure that the organism projects onto incoming experience — a predictive scaffolding that either confirms, modifies, or shatters itself against reality. In the neuroscientific literature, Schultz’s dopamine reward prediction-error framework renders expectation as a quantifiable signal whose violation (the prediction error) drives learning, motivation, and, potentially, addiction. Barrett’s constructionist neuroscience extends this into a thoroughgoing theory of mind: the brain is constitutively predictive, and every perception, emotion, and concept is an expectation tested against sensory input. In the Jungian lineage, expectation appears in a more charged register: Samuels and Hillman both invoke archetypal expectation — the innate anticipatory demand the psyche brings to developmental experience — whose frustration produces pathology. Schore, approaching from developmental neuroscience, shows how misattunement violates the infant’s expectation of affective resonance, producing shame and narcissistic injury. Von Franz and Hillman characterize inferior feeling as a structure of massive, undifferentiated expectation laden with resentment. The tension between neurobiological precision and depth-psychological depth animates the most interesting treatments of this term: expectation is simultaneously a computational signal, a developmental demand, an archetypal claim, and a source of suffering when reality fails to comply.