Psychic apparatus: Freud id, ego, super-ego, contains pre-conscious, conscious, unconscious. The Oedipus complex: child’s sexual desire for the opposite-sex parent and hatred for the same-sex parent. Libido: energy of the sexual instinct. Electra complex: girl daughter–mother competition for psychosexual possession of the father. Narcissism: myth of Narcissus rejected the nymph Echo falling in love with his own reflection in water. Riddle of the Sphinx: What goes on four legs at dawn, two legs at noon, and three legs in the evening? Oedipus answered: Man, as a baby crawls on four legs, walks on two legs as adult, in old age walks with cane as third leg. Jung: synchronicity, archetypes, collective unconscious. Psychoanalysis base for psychotherapy. Prions: Normal PrPc, by misfolding, shifts from α‐helical, soluble protein to insoluble, PrPSc pathogenic particle high in β-sheets, causing neuronal cell death. Consciousness is mental images of executive functions, by neural circuits reverberating, firing with synchronicity. Purkinje cell infected with Prion, loss dendritic spines. Autapse is a synapse from axon neuron onto itself, with oscillatory behavior. Instincts are inborn pattern.