Plato suggested that the brain is the mechanism of mental processes.
335 BCE
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.
William Wundt founds the first experimental psychology lab in Germany
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 begins providing therapy to patients in Vienna, Austria.
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.
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
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.
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
New Mexico becomes the first state to pass legislation allowing licensed psychologists to prescribe psychotropic medication
