Psychologists

  • 387 BCE

    Plato

    Plato suggested that the brain is the mechanism of mental processes.
  • 335

    Aristotle

    Aristotle suggested that the heart is the mechanism of mental processes.
  • Period: 387 to

    history of psychology

  • Hypnosis

    Franz Mesmer detailed his cure for some mental illness, originally called mesmerism and now known as hypnosis.
  • Philippe Pinel

    Philippe Pinel released the first mental patients from confinement in the first massive movement for more humane treatment of the mentally ill.
  • Webers law

    Ernst Heinrich Weber published his perception theory of ‘Just Noticeable DIfference,’ now known as Weber’s Law.
  • Carl Wernicke

    Carl Wernicke published his work on the frontal lobe, detailing that damage to a specific area damages the ability to understand or produce language
  • First American Ph.D in psychology

    G. Stanley Hall received the first American Ph.D. in psychology. He later founded the American Psychological Association.
  • first laboratory of Psychology

    Wilhelm Wundt founded the first formal laboratory of Psychology at the University of Leipzig, marking the formal beginning of the study of human emotions, behaviors, and cognitions.
  • first lab in America

    The first laboratory of psychology in America is established at Johns Hopkins University.
  • Personalty Theory

    Sigmund Freud began performing therapy in Vienna, marking the beginning of personality theory.
  • psychological assessment

    The term “Mental Tests” was coined by James Cattell, beginning the specialization in psychology now known as psychological assessment.
  • 'Principles of Psychology'

    William James published ‘Principles of Psychology,’ that later became the foundation for functionalism.
  • NY passed State Care Act

    New York State passed the State Care Act, ordering indigent mentally ill patients out of poor-houses and into state hospitals for treatment and developing the first institution in the U.S. for psychiatric research.
  • First library of psychodiagnosis

    Alfred Binet founded the first laboratory of psychodiagnosis.
  • British Psychological Society was founded.

    British Psychological Society was founded.
  • Electroschock

    Electroshock therapy was first used on a human patient.
  • 'Counseling and Psychotherapy'

    Carl Rogers published ‘Counseling and Psychotherapy’ suggesting that respect and a non-judgmental approach to therapy is the foundation for effective treatment of mental health issues.
  • Code of Ethics

    Code of Ethics for Psychologists was developed by the American Psychological Association.
  • legislation to prescribe medication

    New Mexico becomes the first state to pass legislation allowing licensed psychologists to prescribe psychotropic medication.