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387 BCE
Plato stated that the brain was the mechanism of the mental process
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335 BCE
Aristotle stated that the heart was in charge of the mental process
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Period: 300 BCE to
History of Psychology
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Franz Mesmer reevaluated his cure for mental illness
He originally called this mesmerism and now known as hypnosis. -
Philippe Pinel released the mental patients from the mentally ill complex
Philippe Pinel led the first massive movement for more humane treatment of the mentally ill. -
Franz Gall wrote about phrenology
Franz Gall wrote about the idea that a person’s skull shape and placement of bumps on the head can reveal personality traits. -
Ernst Heinrich Weber published his book on the theory of ‘Just Noticeable DIfference,’
This book is now known as Weber’s Law. -
Charles Darwin published the On the Origin of Species.
This was a detailed view of evolution and expanding on the theory of ‘Survival of the fittest.’ -
The first laboratory of psychology in America is established at Johns Hopkins University.
This was located at Johns Hopkins University. -
The term “Mental Tests” was made
This term was created by James Cattell, beginning the specialization in psychology now known as psychological assessment. -
New York State passed the State Care Act
This ordered 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. -
Alfred Binet founded the first laboratory of psychodiagnosis.
Alfred Binet was a french psychologist who invented the first practical IQ test called the Binet–Simon test. In 1891, Binet began working at the Sorbonne's Laboratory of Experimental Psychology. He was appointed its Director in 1894. In that same year he co-founded L'Annee Psychologique which was a major psychology journal. While directing the Laboratory, Theodore Simon applied to do doctoral research under Binet's supervision. -
Edward Thorndike published his first article on animal intelligence
Edward Thorndike published first article on animal intelligence leading to the theory of Operant Conditioning. -
Stanford-Binet intelligence test was published in the United States
This is the new version of the Binet-Simon scale which was developed in 1905 and became the first intelligence test. -
Walter B. Cannon coined the term homeostasis
Walter B. Cannon coined the term homeostasis and began research on the fight or flight phenomenon. -
Thematic Apperception Test was made
This test was published by Henry Murray. -
Karen Horney published her feministic views of the psychoanalytic theory
Karen Horney published her feministic views of psychoanalytic theory, marking the beginning of feminism. -
The Diagnostic and Statistical Manual of Mental Disorders was published
This was published by The American Psychiatric Association marking the beginning of modern mental illness classification. -
The idea of Observational Learning on the development of personality was made
Alfred Bandura introduced the idea of Observational Learning on the development of personality. -
The APA endorsed the Psy.D. degree for professional practice in psychology
APA endorsed the Psy.D. degree for professional practice in psychology. -
American Psychological Society established
The American Psychological Society is the largest scientific and professional organization of psychologists in the United States. There is around 117,500 members that include scientists, educators, clinicians, consultants, and students. -
New advancements into the technological age
Psychology advances to the technological age with the emergence of e-therapy
