Schematizing and control theory

Watkins, Edward R. (2008). Constructive and Unconstructive Repetitive Thought. Psychological Bulletin, 134.2, 163–206.

Concrete abreaction helps

Watkins, Edward R., Baeyens, C. B. & Read, R. (2009). Concreteness training reduces dysphoria: proof-of-principle for repeated cognitive bias modification in depression. Journal of Abnormal Psychology, Vol 118(1), 55-64.