Psychology from 300 BC to the present

  • 387 BCE

    Plato makes a discovery

    Plato makes a discovery
    Plato suggested that the brain is the mechanism of mental process.
  • 335 BCE

    Aristotle challenges Plato

    Aristotle challenges Plato
    Aristotle suggested that the heart is the mechanism to mental process.
  • Period: 300 BCE to

    Psychology

  • Franz Mesmer studies mental illness

    Franz Mesmer studies mental illness
    Franz Mesmer detailed his cure for some mental illness, originally called mesmerism, now called hypnosis.
  • First massive movement for the human treatment of the mentally ill.

    First massive movement for the human treatment of the mentally ill.
    Philippe Pinel released the first mental patients from confinement in the first massive movement for the humane treatment of the mentally ill.
  • Phrenology

    Phrenology
    Franz Gal wrote about phrenology which was the idea that a persons skull shape and placement of bumps on the head can reveal personality traits.
  • Phineas Gage suffers brain damage

    Phineas Gage suffers brain damage
    Phineas Gage suffers brain damage when an iron pole pierces his brain. His personality was changed but his intellect remained intact suggesting that an area of the brain lays a role in personality.
  • On the Origin of Species

    On the Origin of Species
    Charles Darwin publishes On the Origin of Species detailing his view of evolution and expanding on the theory of "survival of the fittest."
  • left frontal lobe

    left frontal lobe
    French physician, Paul Broca, discovered an area in the left frontal lobe that plays a key role in language development.
  • first formal laboratory of psychology

    first formal 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 behavior, emotions and cognition's.
  • First laboratory in America

    First laboratory in America
    The first laboratory in America is established at John Hopkins University.
  • Nonsense Syllable

    Nonsense Syllable
    Herman Ebbinghaus introduced the nonsense syllable as a means to study memory processes.
  • Beginning of Therapy

    Beginning of Therapy
    Sigmund Freud began performing therapy in Vienna, marking the beginning of personality theory.
  • mental tests

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

    Principles of Pyschology
    William James published ‘Principles of Psychology,’ that later became the foundation for functionalism.
  • American Psychological Association

    American Psychological Association
    Foundation of the American Psychological Association (APA) headed by G. Stanley Hall, with an initial membership of 42.
  • Psychodiagnosis

    Psychodiagnosis
    Alfred Binet founded the first laboratory of psychodiagnosis.
  • Functionalism

    Functionalism
    Writings by John Dewey began the school of thought known as functionalism.
  • clinical psychology

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

    British Psychological Society
    The British Psychological Society was founded.
  • Abnormal Psychology

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