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387 BCE
387 BC
Plato suggested that the brain is the mechanism of mental process -
1774 AD
Franz Mesmer detailed his cure for some mental illness, originally called mesmerism and now known as hypnosis. -
1861 AD
French physician Paul Broca discovered an area in the left frontal lobe that plays a key role in language development. -
1883 AD
The first laboratory of psychology in America is established at Johns Hopkins University -
1886 AD
Sigmund Freud began performing therapy in Vienna, marking the beginning of personality theory. -
1890 AD
William James published ‘Principles of Psychology,’ that later became the foundation for functionalism. -
1892 AD
Foundation of the American Psychological Association (APA) headed by G. Stanley Hall, with an initial membership of 42. -
1901
The British Psychological Society was founded. -
1905 AD
Afred Binet’s Intelligence Test was published in France. -
1911 AD
Alfred Adler left Freud’s Psychoanalytic Group to form his own school of thought, accusing Freud of overemphasizing sexuality and basing his theory on his own childhood. -
1917 AD
Robert Yerkes (President of APA at the time) developed the Army Alpha and Beta Tests to measure intelligence in a group format. The tests were adopted for use with all new recruits in the U.S. military a year later. -
1925 AD
Wolfgang Kohler published ‘The Mentality of Apes’ which became a major component of Gestalt Psychology. -
1932 AD
Walter B. Cannon coined the term homeostasis and began research on the fight or flight phenomenon. -
1942 AD
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. -
1953 AD
B.F. Skinner outlined behavioral therapy, lending support for behavioral psychology via research in the literature. -
1961 AD
John Berry introduced the importance of cross-cultural research bringing diversity into the forefront of psychological research and application. -
1983 AD
Howard Gardner (professor at Harvard University) introduced his theory of multiple intelligence, arguing that intelligence is something to be used to improve lives not to measure and quantify human beings. -
1995 AD
First Psychologists prescribe medication through the U.S. military’s psychopharmacology program. -
1998 AD
Psychology advances to the technological age with the emergence of e-therapy. -
2002 AD
New Mexico becomes the first state to pass legislation allowing licensed psychologists to prescribe psychotropic medication.
