structuralism, behaviorism, and humanism.
Psychology changed dramatically during the first 20th-century as another school of thought called behaviorism rose to dominance. Behaviorism was a significant change from previous theoretical perspectives, rejecting the stress on both the conscious and brain.
Computers process information through complex circuits, which showed that psychologists could study mental states scientifically because of the flow of data through the mind. Biological psychology as a subject field emerged from a range of scientific and philosophical traditions within the 18th and 19th centuries.
Within the Principles of Psychology (1890), psychologists argued that the scientific study of psychology should be grounded in an understanding of biology.
However, the emergence of psychology as a particular discipline is traced back to 1882 when Wilhelm (a German physiologist) published a book entitled The Mind of the kid . Within the book describes the event of his own daughter from birth to 2 and a half years.
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