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Wilhelm Wundt opens first experimental laboratory in psychology at the University of Leipzig, Germany.
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G. Stanley Hall establishes first U.S. experimental psychology laboratory at Johns Hopkins University
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The first doctorate in psychology is given to Joseph Jastrow
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The first academic title "professor of psychology" is given to James McKeen Cattell
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G. Stanley Hall founds the American Psychological Association (APA).
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Lightner Witmer opens the world's first psychological clinic to patients.
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Alfred Binet and Theodore Simon develop a scale of general intelligence. Later researchers refined the work into the concept of intelligence quotient; IQ
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Standardized intelligence and aptitude tests are administered to two million U.S. soldiers during WWI
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First nobel prize for psychology research
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Hans Berger invented the device to graph the electrical activity of the brain by means of electrodes attached to the head
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Alcoholics Anonymous (AA) is founded by Bob Smith
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Walter Freeman performs the first frontal lobotomy at George Washington University
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Ugo Cerletti treat patients with electrical shocks to alleviate schizophrenia and psychosis
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Harry Truman signs the National Mental Health Act, providing generous funding for psychiatric education and research
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The drug imipramine may be able to lessen depression reported by studies
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The FDA approves lithium carbonate to treat patients with bipolar mood disorders
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AIDS and HIV presents mental health professionals with challenges ranging from at-risk patients' anxieity and depression to AIDS-related dementia