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387 BCE
Plato suggested that the brain is the mechanism of mental processes.
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335 BCE
Aristotle suggested that the heart is the mechanism of mental processes.
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G. Stanley Hall becomes the first American to earn a Ph.D. in psychology.
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William Wundt founds the first experimental psychology lab in Germany
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The first laboratory of psychology in America is established at Johns Hopkins University.
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Sigmund Freud began performing therapy in Vienna, marking the beginning of personality theory
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Sigmund Freud begins providing therapy to patients in Vienna, Austria.
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William James published ‘Principles of Psychology,’ that later became the foundation for functionalism
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Foundation of the American Psychological Association (APA) headed by G. Stanley Hall, with an initial membership of 42.
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Alfred Binet founded the first laboratory of psychodiagnosis
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The first psychological clinic was developed at the University of Pennsylvania marking the birth of clinical psychology
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he British Psychological Society was founded
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The Journal of Abnormal Psychology was founded by Morton Prince.
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Chlorpromazine (Thorazine) first used in the treatment of schizophrenia.
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Alfred Bandura introduced the idea of Observational Learning on the development of personality.
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Aaron Beck published a psychological model of depression suggesting that thoughts play a significant role in the development and maintenance of depression.
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First Doctor of Psychology (Psy.D.) professional degree program in Clinical Psychology was established in the Department of Psychology at The University of Illinois
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American Psychological Society established
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Psychologists in Guam gain prescription privileges for psychotropic medication
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New Mexico becomes the first state to pass legislation allowing licensed psychologists to prescribe psychotropic medication