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387 BCE
mechanism of mental processes
Plato suggested that the brain is the mechanism of mental processes -
335 BCE
mechanism of mental processes
Aristotle suggested that the heart is the mechanism of mental processes. -
Period: 300 BCE to
history of psychology
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humane treatment of the mentally ill
Philippe Pinel released the first mental patients from confinement in the first massive movement for more humane treatment of the mentally ill -
shape and placement of bumps on the head
Franz Gall wrote about phrenology (the idea that a person’s skull shape and placement of bumps on the head can reveal personality traits -
Just Noticeable DIfference
Ernst Heinrich Weber published his perception theory of ‘Just Noticeable DIfference,’ now known as Weber’s Law. -
the brain plays a role in personality
Phineas Gage suffered brain damage when an iron pole pierces his brain. His personality was changed but his intellect remained intact suggesting that an area of the brain plays a role in personality -
Survival of the fittest.’
Charles Darwin published the On the Origin of Species, detailing his view of evolution and expanding on the theory of ‘Survival of the fittest.’ -
key role in language development
French physician Paul Broca discovered an area in the left frontal lobe that plays a key role in language development -
abilities are biological in nature
Sir Francis Galton, Influenced by Charles Darwin’s ‘Origin of the Species,’ publishes ‘Hereditary Genius,’ and argues that intellectual abilities are biological in nature -
ability to understand or produce language
Carl Wernicke published his work on the frontal lobe, detailing that damage to a specific area damages the ability to understand or produce language -
American Psychological Association
G. Stanley Hall received the first American Ph.D. in psychology. He later founded the American Psychological Association -
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 laboratory of psychology
The first laboratory of psychology in America is established at Johns Hopkins University -
nonsense syllable
Herman Ebbinghaus introduced the nonsense syllable as a means to study memory processes -
performing therapy
Sigmund Freud began performing therapy in Vienna, marking the beginning of personality theory -
mental Tests
The term “Mental Tests” was coined by James Cattell, beginning the specialization in psychology now known as psychological assessment. -
intelligence studies
Sir Francis Galton developed the technique known as the correlation to better understand the interrelationships in his intelligence studies -
Principles of Psychology
William James published ‘Principles of Psychology,’ that later became the foundation for functionalism. -
American Psychological Association
Foundation of the American Psychological Association (APA) headed by G. Stanley Hall, with an initial membership of 42. -
first laboratory of psychodiagnosis
Alfred Binet founded the first laboratory of psychodiagnosis
