Dynamic pattern in psychotherapy - Discontinuous changes and critical instabilities during the treatment of obsessive compulsive disorder. Heinzel, S., Tominschek, I., & Schiepek, G. Nonlinear Dynamics, Psychology, and Life Sciences, 18(2):155–176, 2014. 00000
abstract   bibtex   
In therapy processes of a variety of disorders, discontinuous trajectories of symptom changes have been identified. In this study, we are reporting on such "sudden gains" that occur in the treatment of clients with obsessive-compulsive disorder (OCD) following cognitive-behavioral group therapy. Time series analysis of data taken from 18 OCD clients revealed that a discontinuously shaped symptom reduction took place already before exposure/response prevention (ERP) in a large number of clients. Coincidently with the steepest gradient of symptom change an increased level of dynamic complexity in daily ratings of 47 items of a specific change questionnaire was observed. Our results support hypotheses from the theory of complex selforganizing systems, postulating nonstationarity and critical instabilities during order transitions. Our study underlines the usefulness of real-time monitoring procedures with high-frequency ratings (daily measurements) in therapeutic routine practice. (PsycINFO Database Record (c) 2017 APA, all rights reserved)
@article{heinzel_dynamic_2014,
	title = {Dynamic pattern in psychotherapy - {Discontinuous} changes and critical instabilities during the treatment of obsessive compulsive disorder},
	volume = {18},
	issn = {1090-0578},
	shorttitle = {Dynamic pattern in psychotherapy-{Discontinuous} changes and critical instabilities during the treatment of obsessive compulsive disorder},
	abstract = {In therapy processes of a variety of disorders, discontinuous trajectories of symptom changes have been identified. In this study, we are reporting on such "sudden gains" that occur in the treatment of clients with obsessive-compulsive disorder (OCD) following cognitive-behavioral group therapy. Time series analysis of data taken from 18 OCD clients revealed that a discontinuously shaped symptom reduction took place already before exposure/response prevention (ERP) in a large number of clients. Coincidently with the steepest gradient of symptom change an increased level of dynamic complexity in daily ratings of 47 items of a specific change questionnaire was observed. Our results support hypotheses from the theory of complex selforganizing systems, postulating nonstationarity and critical instabilities during order transitions. Our study underlines the usefulness of real-time monitoring procedures with high-frequency ratings (daily measurements) in therapeutic routine practice. (PsycINFO Database Record (c) 2017 APA, all rights reserved)},
	number = {2},
	journal = {Nonlinear Dynamics, Psychology, and Life Sciences},
	author = {Heinzel, Stephan and Tominschek, Igor and Schiepek, Gunter},
	year = {2014},
	note = {00000},
	keywords = {OCD, PsycINFO, Sudden gains},
	pages = {155--176},
}

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