Zach sees a therapist to overcome his fear of heights. zach learns to relax by focusing his attention on a pleasant stimulus, in order to remove his attention from the anxiety producing situation. in this example, zach is using to produce relaxation.

Zach is using "attention-focusing exercises" to produce relaxation.

Attention-focusing exercises create relaxation by guiding thoughtfulness regarding an unbiased or wonderful jolt to expel the individual's consideration from tension delivering boost, incorporates contemplations, guided symbolism, and trance individual looks at a question, centers consideration around redundant mantras, or possess breathing developments; once engaged, the individual's consideration can't be center around jolts that deliver nervousness; utilized as a part of both diaphragmatic breathing and PMR. 

Who it was like back then