Publications by authors named "Mattias Desmet"

This study examines the influence of depressive personality styles on treatment responses in patients with major depression receiving cognitive behavioural therapy and psychodynamic therapy. We assessed changes in personality styles, including dependency, self-criticism, sociotropy, and autonomy, and their association with treatment response. Both treatment modalities led to significant reductions in self-criticism and sociotropy scores.

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Objective: This study scrutinizes the meaning of deterioration in psychotherapy beyond the widely used statistical definition of reliable symptom increase pre-to-post treatment.

Method: An explanatory sequential mixed-methods multiple case study was conducted, combining quantitative pre-post outcome evaluation of self-reported depression symptoms and qualitative analysis of patients' interviews. In a Randomized Controlled Study on the treatment of Major Depression, three patients showing reliable increase in symptom severity on the BDI-II pre-to-post therapy were selected.

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Introduction: Different types of psychotherapy are effective for treating major depressive disorder across groups yet show large within-group differences. Patient personality style is considered a potentially useful variable for treatment matching.

Objective: This study is the first experimental test of the interaction between therapeutic approach and patients' dependent versus self-critical personality styles.

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Personality and psychopathology are highly relevant and easily relatable constructs. The current study investigated the relationships between dependency and self-criticism, sociotropy and autonomy depressive personality traits, and Cloninger's temperament and character personality traits postulated as vulnerability factors for depression, in relation to depressive and general psychopathology symptoms in a clinical sample of 100 patients diagnosed with major depressive disorder. The results showed that self-directedness, a character trait of the temperament and character model, was positively associated with dependency, self-criticism, sociotropy, and autonomy.

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Case study methods are increasingly recognized as crucial methods to enhance understanding of the complexity of psychotherapy processes and as way to bridge the science-practice gap. The Single Case Archive (SCA) was constructed to facilitate access to the existing field of case study research for academic, clinical, and educational purposes. Cases were selected through systematic screening of relevant peer-reviewed journals in the field of psychotherapy research and rigorous snowball sampling.

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In this theory-building case study, we investigate Blatt's two-polarity model of personality development according to which psychopathology is a consequence of an unbalance between the two developmental lines of interpersonal relatedness and self-definition. Anaclitic psychopathology, such as schizophrenia, histrionic, dependent, and borderline personality disorders, is associated with an excessive and rigid emphasis on interpersonal relatedness. In this theory-building case study, we examine whether this model can be extended to dissociative identity disorder (DID).

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To assess the outcome of psychotherapeutic treatments, psychotherapy researchers often compare pre- and post-treatment scores on self-report outcome measures. In this paper, the common assumption is challenged that pre-to-post decreasing and increasing outcome scores are indicative of successful and failed therapies, respectively. The outcome of 29 psychotherapeutic treatments was evaluated by means of quantitative analysis of pre- and post-treatment scores on commonly used outcome measures (such as the Symptom Checklist-90-R, the Inventory of Interpersonal Problems, and the General Health Questionnaire-12), as well as through consensual qualitative research.

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Silence has gained a prominent role in the field of psychotherapy because of its potential to facilitate a plethora of therapeutically beneficial processes within patients' inner dynamics. This study examined the phenomenon from a conversation analytical perspective in order to investigate how silence emerges as an interactional accomplishment and how it attains interactional meaning by the speakers' adjacent turns. We restricted our attention to one particular sequential context in which a patient's turn comes to a point of possible completion and receives a continuer by the therapist upon which a substantial silence follows.

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Research concerning the influence of core interpersonal patterns related to childhood trauma on the therapeutic process is scarce. We investigated interpersonal patterns at the start of treatment, changes in interpersonal patterns as treatment progressed, and the change process in a mixed-methods single case study of a supportive-expressive psychodynamic psychotherapy with a 33-year-old female with a history of childhood trauma. The patient showed a pervasive inability to open up towards others throughout the entire treatment, which is closely associated with others' actual or anticipated rejection, disrespect and disinterest.

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Although Blatt's two-polarity model of depression has suggested that patients' interpersonal styles may shape countertransference phenomena in psychotherapy, empirical research on this topic has remained scarce. This article provides an in-depth study of countertransference processes in clinical work with dependent (anaclitic) depressed patients using a qualitative methodology. Thematic analysis of narrative material of psychodynamic therapists discussing patient cases during supervision ( = 7) resulted in four recurrent themes: "empathy, compassion, and support," "anxiety, feeling overwhelmed, and protection," "frustration, irritation, and confrontation," and "inadequacy, incompetence, and fatalism.

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Background: Mental healthcare is an important component in societies' response to mental health problems. Although the World Health Organization highlights availability, accessibility, acceptability and quality of healthcare as important cornerstones, many Europeans lack access to mental healthcare of high quality. Qualitative studies exploring mental healthcare from the perspective of people with lived experiences would add to previous research and knowledge by enabling in-depth understanding of mental healthcare users, which may be of significance for the development of mental healthcare.

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In this study, we aim to contribute to the field of critical health communication research by examining how notions of mental health and illness are discursively constructed in newspapers and magazines in six European countries and how these constructions relate to specific understandings of mental health literacy. Using the method of cluster-agon analysis, we identified four terminological clusters in our data, in which mental health/illness is conceptualized as "dangerous," "a matter of lifestyle," "a unique story and experience," and "socially situated." We furthermore found that we cannot unambiguously assume that biopsychiatric discourses or discourses aimed at empathy and understanding are either exclusively stigmatizing or exclusively empowering and normalizing.

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The conversational actions of reformulating and mirroring constitute some of the core intervention techniques of psychotherapy. The purpose of the present study was to investigate the way in which therapists in cognitive-behavioral (CBT) and psychodynamic therapy (PDT) use reformulating and mirroring strategies to return patients' prior talk and how their differential usage can be viewed in light of the respective manualized recommendations. A mixed methods approach was applied using qualitative data that derived from a RCT.

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Background: The mental healthcare treatment gap (mhcGAP) in adult populations has been substantiated across Europe. This study formed part of MentALLY, a research project funded by the European Commission, which aimed to gather qualitative empirical evidence to support the provision of European mental healthcare that provides effective treatment to all adults who need it.

Methods: Seven focus groups were conducted with 49 health professionals (HPs), including psychologists, psychiatrists, social workers, general practitioners, and psychiatric nurses who worked in health services in Belgium, Cyprus, Greece, the Netherlands, Norway and Sweden.

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Exploring change processes underlying "good outcome" in psychotherapy for major depression. We examined the perspectives of patients who "recovered" and "improved" (Jacobson & Truax) following time-limited CBT and PDT. In the context of an RCT on the treatment of major depression, patients were selected based on their pre-post outcome scores on the BDI-II: we selected 28 patients who recovered and 19 who improved in terms of depressive symptoms.

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Objective: The current study is part of a multiple case study that investigated the emotional change in individuals who have committed sexual offenses (ISOs). This case study highlights how one client used sex as a maladaptive coping strategy to suppress negative emotions.

Method: A mixed-methods design was used to track changes in the client's affect regulation (AR) during four phases, including a baseline (Phase A), treatment as usual (Phase B), treatment with an emotion-focused therapy (EFT) component added (Phase C), and follow up (Phase A).

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This study explored the meaning of "good outcome" within and beyond the much-used statistical indices of clinical significance in standard outcome research as developed by Jacobson and Truax (1991). Specifically, we examined the experiences of patients marked as "recovered" and "improved" following cognitive-behavioral therapy and psychodynamic therapy for major depression. A mixed-methods study was conducted using data gathered in an RCT, including patients' pre-post outcome scores on the Beck Depression Inventory-II and posttreatment client change interviews.

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Understanding the effects of psychotherapy is a crucial concern for both research and clinical practice, especially when outcome tends to be negative. Yet, while outcome is predominantly evaluated by means of quantitative pre-post outcome questionnaires, it remains unclear what this actually means for patients in their daily lives. To explore this meaning, it is imperative to combine treatment evaluation with quantitative and qualitative outcome measures.

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In psychotherapy research, "validity" is canonically understood as the capacity of a test to measure what is purported to measure. However, we argue that this psychometric understanding of validity prohibits working researchers from considering the validity of their research. Psychotherapy researchers often use measures with a different epistemic goal than test developers intended, for example when a depression symptom measure is used to indicate "treatment success" (cf.

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Drawing on Blatt's theory about personality styles, we examined therapists' affective experiences toward depressed patients with dependent (anaclitic) and self-critical (introjective) personality styles. In addition, we investigated the relationship between therapists' responses, symptom severity, and therapeutic change. Therapists (N = 8) completed the Therapist Response Questionnaire (TRQ) at 5 time points for 50 dependent (anaclitic) and 34 self-critical (introjective) patients (N = 84) over the course of 20-session therapies.

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Objective: Adult interpersonal difficulties are considered 1 of the core consequences of childhood trauma exposure. However, research concerning the nature of interpersonal patterns associated with childhood trauma is scarce. The aim of this case study of a supportive-expressive psychodynamic therapy with a woman with a traumatic background, is to provide a detailed understanding of the nature of interpersonal patterns at the beginning and throughout therapy, and to provide an in-depth investigation of the therapeutic process.

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Transference implies the actualization of the analyst in the analytic encounter. Lacan developed this idea through the syntagm presence of the analyst. In the course of his seminars, however, two completely different presences emerge, with major implications for how the treatment is directed.

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According to the WHO (2012), the prevalence of unipolar depressive disorders is rising, even in those places where mental health treatments are widely available. The WHO predicts that these disorders will be the leading contributor to the global burden of disease by 2030. This sobering projection fits poorly with how psychological treatments for depression are presented in the mainstream scientific literature: as highly effective therapies, based upon a sound understanding of the causes of distress.

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The classical symptom specificity hypothesis (Blatt, 1974) particularly associates obsessional symptoms to interpersonal behavior directed at autonomy and separation from others. Cross-sectional group research, however, has yielded inconsistent findings on this predicted association, and a previous empirical case study (Cornelis et al., in press; see Chapter 2) documented obsessional pathology to be rooted in profound ambivalences between autonomous and dependent interpersonal dynamics.

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Background: Major depressive disorder is a leading cause of disease burden worldwide, indicating the importance of effective therapies. Outcome studies have shown overall efficacy of different types of psychotherapy across groups, yet large variability within groups. Although patient characteristics are considered crucial in understanding outcome, they have received limited research attention.

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