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387 BCE
Plato
Plato suggested that the brain is the mechanism of mental processes. -
335
Aristotle
Aristotle suggested that the heart is the mechanism of mental processes. -
Period: 387 to
history of psychology
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Hypnosis
Franz Mesmer detailed his cure for some mental illness, originally called mesmerism and now known as hypnosis. -
Philippe Pinel
Philippe Pinel released the first mental patients from confinement in the first massive movement for more humane treatment of the mentally ill. -
Webers law
Ernst Heinrich Weber published his perception theory of ‘Just Noticeable DIfference,’ now known as Weber’s Law. -
Carl Wernicke
Carl Wernicke published his work on the frontal lobe, detailing that damage to a specific area damages the ability to understand or produce language -
First American Ph.D in psychology
G. Stanley Hall received the first American Ph.D. in psychology. He later founded the American Psychological Association. -
first 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 emotions, behaviors, and cognitions. -
first lab in America
The first laboratory of psychology in America is established at Johns Hopkins University. -
Personalty Theory
Sigmund Freud began performing therapy in Vienna, marking the beginning of personality theory. -
psychological assessment
The term “Mental Tests” was coined by James Cattell, beginning the specialization in psychology now known as psychological assessment. -
'Principles of Psychology'
William James published ‘Principles of Psychology,’ that later became the foundation for functionalism. -
NY passed State Care Act
New York State passed the State Care Act, ordering indigent mentally ill patients out of poor-houses and into state hospitals for treatment and developing the first institution in the U.S. for psychiatric research. -
First library of psychodiagnosis
Alfred Binet founded the first laboratory of psychodiagnosis. -
British Psychological Society was founded.
British Psychological Society was founded. -
Electroschock
Electroshock therapy was first used on a human patient. -
'Counseling and Psychotherapy'
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. -
Code of Ethics
Code of Ethics for Psychologists was developed by the American Psychological Association. -
legislation to prescribe medication
New Mexico becomes the first state to pass legislation allowing licensed psychologists to prescribe psychotropic medication.