3rd Period Timeline

  • 387 BCE

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

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

    Aristotle suggested that the heart is the mechanism of mental processes.

    Aristotle suggested that the heart is the mechanism of mental processes.
  • G. Stanley Hall becomes the first American to earn a Ph.D. in psychology.

    G. Stanley Hall becomes the first American to earn a Ph.D. in psychology.
  • William Wundt founds the first experimental psychology lab in Germany

    William Wundt founds the first experimental psychology lab in Germany
  • The first laboratory of psychology in America is established at Johns Hopkins University.

    The first laboratory of psychology in America is established at Johns Hopkins University.
  • Sigmund Freud began performing therapy in Vienna, marking the beginning of personality theory

    Sigmund Freud began performing therapy in Vienna, marking the beginning of personality theory
  • Sigmund Freud begins providing therapy to patients in Vienna, Austria.

    Sigmund Freud begins providing therapy to patients in Vienna, Austria.
  • William James published ‘Principles of Psychology,’ that later became the foundation for functionalism

    William James published ‘Principles of Psychology,’ that later became the foundation for functionalism
  • Foundation of the American Psychological Association (APA) headed by G. Stanley Hall, with an initial membership of 42.

    Foundation of the American Psychological Association (APA) headed by G. Stanley Hall, with an initial membership of 42.
  • Alfred Binet founded the first laboratory of psychodiagnosis

    Alfred Binet founded the first laboratory of psychodiagnosis
  • The first psychological clinic was developed at the University of Pennsylvania marking the birth of clinical psychology

    The first psychological clinic was developed at the University of Pennsylvania marking the birth of clinical psychology
  • he British Psychological Society was founded

  • The Journal of Abnormal Psychology was founded by Morton Prince.

  • Chlorpromazine (Thorazine) first used in the treatment of schizophrenia.

    Chlorpromazine (Thorazine) first used in the treatment of schizophrenia.
  • Alfred Bandura introduced the idea of Observational Learning on the development of personality.

    Alfred Bandura introduced the idea of Observational Learning on the development of personality.
  • Aaron Beck published a psychological model of depression suggesting that thoughts play a significant role in the development and maintenance of depression.

  • First Doctor of Psychology (Psy.D.) professional degree program in Clinical Psychology was established in the Department of Psychology at The University of Illinois

  • American Psychological Society established

  • Psychologists in Guam gain prescription privileges for psychotropic medication

    Psychologists in Guam gain prescription privileges for psychotropic medication
  • New Mexico becomes the first state to pass legislation allowing licensed psychologists to prescribe psychotropic medication

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