1 ene 1967 año - Aaron Beck publishes his model suggesting that thoughts play a significant role in depression.

Descripción:

He is regarded as the father of both cognitive therapy and cognitive behavioral therapy. His theories are widely used in the treatment of clinical depression and various anxiety/panic disorders. He also developed the Beck Depression Inventory (BDI. 21-question multiple-choice self-report to measure depression severity.), which became one of the most widely used instruments for measuring depression severity.