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The history of modern psychology spans centuries, with the earliest known mention of clinical depression appearing in 1500 BCE on an … See more

Some say that modern psychology was born in the 18th century, which is largely due to William Battie's "Treatise on Madness," published in 1758. Others consider th… See more

19th Century
In the 19th century, psychology was established as an empirical, accepted science. While measures would change, the model … See more

Thanks to the contributions of the many experts along the way, the field of modern psychology has expanded into multiple subdivisions or specializations. Some of the numerous … See more