Carlos Morra and Ernst Franzek: Psychopathological Symptoms

Interpenetration of themes


Definition: Intrusion of ideas belonging to external unrelated issues in the stream of thoughts (Cameron 1951).


Exploration: The presence of interpenetration of themes can be established by interviewing the patient.




Cameron N. Experimental analysis of schizophrenic thinking. In:  Kasanin JS. Language and Thought in Schizophrenia. Collected Papers. Berkeley: University of California Press; 1951, pp. 55-6.

May 9, 2019