

Socrates made a major contribution to pedagogy via his dialectical method and to epistemology via his definition of true knowledge as true belief buttressed by some rational justification.

500 Alcmaeon - suggested theory of humors as regulating human behavior (similar to Empedocles' elements) 600 BCE – Many cities in Greece had temples to Asklepios that provided cures for psychosomatic illnesses. 1550 BCE – The Ebers Papyrus mentioned depression and thought disorders.
