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  Plato says that the brain is the main mechanism of mental processes.
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  From 387 B.C. to 2002
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  AD Franz Mesmer described his cure for some mental illness, originally named mesmerism and now known as hypnosis.
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  Franz Gall wrote about phrenology saying the way a persons head is shaped is how their personality will be like.
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  Paul Broca made a discovery that an area in the left frontal lobe plays a key role in language development.
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  Herman Ebbinghaus introduced the nonsense syllable which means to study memory processes.
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  Sir Francis Galton made the technique known as the correlation to better understand of the interrelationships in his intelligence studies
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  Alfred Binet made the first laboratory of psychodiagnosis.
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  The first psychological clinic was made at the University of Pennsylvania marking the birth of clinical psychology
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  The British Psychological Society was developed
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  Stanford Binet intelligence test was promulgated in the United States
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  The Canadian Psychological Associated was made.
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  Jean Piaget published ‘Psychology of Intelligence’ talking about his theories of cognitive development
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  Chlorpromazine (Thorazine) was first used in the treatment of schizophrenia
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  Abraham Maslow helped make the Humanistic Psychology and later made his famous Hierarchy of Needs.
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  Alfred Bandura made the idea of Observational Learning on the development of personality triats
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  Aaron Beck put out a psychological model of depression suggesting that thoughts play a significant role in the development and a maintenance of depression
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  The first Doctorate in Psychology was awarded from The University of Illinois.
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  American Psychological Society was made
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  New Mexico became the first state to pass legislation to allow licensed psychologists to prescribe psychotropic medication.
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  The mental health parity gets the attention of the White House the leads to President George W. Bush to promote legislation that would guarantee comprehensive mental health coverage.