<prompt> A cognitive model of depression is given by -EllisBeckGodfreyMeicheinbanon  <response>: Aron Beck postulated a cognitive triad of depression that consists of1 View about the self a negative self-precept;2 About the environment A tendency to experience the world as hostile and demanding, 3 About the future Expectation of suffering and failure. Cognitive therapy consists of modifying these distortions. 