"I think he has done a lot of cognitive therapy on himself," his daughter says.
Cognitive therapy has been found to be effective by empirical studies.
In the 1960s, a group of therapists developed cognitive therapy from this view.
The current treatment that has been most effective is cognitive behavioral therapy.
There is "fair support" for the utility of cognitive therapy.
Homework, by the way, is an integral part of cognitive therapy.
In this sense cognitive therapy might sometimes serve a preventive function.
In particular, advocates of cognitive therapy object that the study was not a fair test.
Cognitive therapy is, in most cases, a short-term treatment that can have long-term results.
Cognitive behavioral therapy has been found to improve symptoms in a number of studies.