Psychology is "the science of mental life".
2. Sigmund Freud (1923)
Psychology is "the science of the unconscious mind".
3. B.F. Skinner (1953)
Psychology is "the science of behavior".
4. Carl Rogers (1959)
Psychology is "the science of the person".
5. Abraham Maslow (1967)
Psychology is "the science of self-actualization".
6. Noam Chomsky (1975)
Psychology is "the study of mental representations and computations".
7. Steven Pinker (1997)
Psychology is "the study of the mind and its computational processes".
8. Daniel Kahneman (2011)
Psychology is "the science of how we think".
9. James Gross (2015)
Psychology is "the science of emotion and self-control".
10. Lisa Feldman Barrett (2017)
Psychology is "the science of how the brain makes the mind".