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The Greek letter ψ (psi).
Mar 4, 2024 · The story of the psychology symbol involves some mythology and the strange evolution of the term “psi” (Ψ). It’s the twenty-third letter in the Greek alphabet, and at some point, the Romans transliterated it to form the word psyche .
Psi / ˈ ( p) saɪ, ˈ ( p) siː / (P)SY, (P)SEE [1] (uppercase Ψ, lowercase ψ or 𝛙; Greek: ψι psi [ˈpsi]) is the twenty-third and penultimate letter of the Greek alphabet and is associated with a numeric value of 700.
The greek letter psi is mainly used as a symbol in the Schrödinger equation and bra–ket notation in physics as well as the J/ψ (J/psi) meson. It is also used to represent the polygamma function, the gamma function, the super golden ratio, and the division polynomials in mathematics.
You have probably noticed that many psychologists and institutions related to the world of Psychology They use the same symbol: “Ψ”. What exactly does this rare symbol mean and what is its relationship to mental health? Who decided that this should be the emblem of behavioral science?
The Ψ symbol, which is the Greek letter psi, is an iconic emblem in psychology. It appears in logos of psychological associations to denote membership and authority, on academic materials as a marker of educational content, and in professional settings to identify practitioners’ expertise.
Psi (Ψ, ψ) Definition. Psi (Ψ, ψ) is the 23rd letter of the Greek alphabet. In the system of Greek numerals it has a numeric value of 700. In both Classical and Modern Greek, the letter indicates the combination /ps/ (as in English word lapse).
