Michael Odenwald

Michael Odenwald
Universität Konstanz | Uni-Konstanz · Department of Psychology

Dr. rer. nat.

About

89
Publications
25,247
Reads
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2,596
Citations
Citations since 2016
30 Research Items
1349 Citations
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2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
Introduction
Michael Odenwald currently works at the Department of Psychology, Universität Konstanz. Michael does research in Clinical Psychology. One of their current projects is 'Trauma and Addiction.'
Additional affiliations
January 2012 - present
Universität Konstanz
Position
  • Psychotherapy outpatient clinic
January 2012 - present
Research Ward for Schizophrenia at the Center for Psychiatry Reichenau
Position
  • Senior Psychologist
January 2009 - December 2010
Universität Konstanz
Position
  • Integration and Addiction: Working towards a better integration of persons with migration background into the local addiction treatment services

Publications

Publications (89)
Article
Full-text available
Background During recent decades, the consumption of the stimulant khat ( catha edulis ) has profoundly changed in countries around the Horn of Africa, and excessive use patterns have emerged—especially evident among displaced Somalis. This is related to the development of severe somatic and psychiatric disorders. There are currently no preventive...
Article
Full-text available
Background The trial YOURTREAT aims to compare the pragmatic, short-term psychotherapy Narrative Exposure Therapy for Children (KIDNET) with treatment as usual (TAU) for the treatment of young refugees in Germany. This update outlines changes made to the study protocol in response to the current COVID-19 pandemic with the aim of allowing the contin...
Article
Full-text available
Zusammenfassung. Theoretischer Hintergrund: Obwohl Prüfungsangst ein häufiges Anliegen in psychologischen Beratungsstellen ist, wissen wir wenig über ihren zeitlichen Verlauf sowie über Risikofaktoren für hohe Prüfungsangst kurz vor den Prüfungen. Fragestellung: Diese Studie untersucht, ob sich die Intensität von Prüfungsangst während eines Semeste...
Article
Full-text available
Background: Khat (Catha edulis) is a traditionally used substance in African and Arab countries that contains the amphetamine-like alkaloid cathinone. Khat use among Ethiopian students is a growing concern. This study aims to describe khat use, psychological problems, and motivation to change and to determine associated factors of khat use among st...
Article
Full-text available
Introduction: Alcohol craving is a key symptom of alcohol use disorder (AUD) and a significant cause of poor treatment outcome and frequent relapse. Craving is supposed to impair executive functions by modulating reward salience and decision-making. Objective: The present study sought to clarify this modulation by scrutinizing reward feedback pr...
Chapter
Khat leaves are traditionally consumed in African and Arab countries around the Horn of Africa. The central and peripheral stimulant alkaloid cathinone (S-(-)-a-aminopropiophenone) is considered to be the main psychoactive compound in the khat leaves. The leaves and tender stems are usually chewed and kept in a tight wad in the cheek pocket. Within...
Article
Patients with past exposure to adverse experiences are frequent in clinical services, many of them suffering from co-occurring Posttraumatic Stress Disorder (PTSD). Despite first evi-dence that encourages diagnostics and trauma therapy provision for PTSD, complex cases are often excluded from evidence-based treatments. First, we review the evidence...
Article
Background: Changing addictive behavior is a complex process with high demands on motivation. The Transtheoretical Model of Behavior Change provides a theoretical frame-work for explaining and predicting behavioral change, although its predictive value for addiction is somewhat inconsistent. Objective: The aim of the present study is to extend the...
Article
Full-text available
Objective: Brief interventions based on personalized feedback have shown promising results in reducing risky alcohol use among university students. We investigated the effects of activating deliberative (predecisional) or implemental (postdecisional) mindsets on the effectiveness of a standardized brief intervention, the ASSIST-linked Brief Interve...
Data
Objective: Brief interventions based on personalized feedback have shown promising results in reducing risky alcohol use among university students. We investigated the effects of activating deliberative (predecisional) or implemental (postdecisional) mindsets on the effectiveness of a standardized brief intervention, the ASSIST-linked Brief Interve...
Article
Studying the relationship between mental illnesses and their environmental and genetic risk factors in low-income countries holds excellent promises. These studies will improve our understanding of how risk factors identified predominantly in high-income countries also apply to other settings and will identify new, sometimes population-specific ris...
Article
Objective: There is a lack of empirical knowledge on how different comorbid disorders and symptoms change in the course of initial abstinence and withdrawal. The aim of this study is to replicate previous findings on the symptom course using a larger sample and up-to-date psychometric instruments. Methods: During inpatient alcohol detoxification, w...
Article
Full-text available
Psychiatric care of refugees in Africa and the Middle East. Challenges and solutions Abstract Violence, flight, famine, and natural disasters first initiatives to improve psychiatric care in as well as the absence of a psychosocial refugee camps in Ethiopia, Kenya, and Sudan. healthcare system are major psychological Moreover, we provide first...
Article
Background: Integrated outpatient treatment approaches after withdrawal treatment for alcoholics with comorbid disorders are lacking. Aim: This pilot study investigated whether alcohol drinking days and comorbid symptom severity can be reduced in patients with alcohol dependence and comorbid psychological disorders by integrated outpatient psychoth...
Article
Aims: Co-occurring mental disorders can complicate the detoxification treatment process and outcome. The aim of this study is to examine whether a brief psychoeducational group counseling session during detoxification treatment can increase the motivation for and utilization of subsequent treatments. Short summary: Interventions increased utiliz...
Article
Background: There are a lack of studies and mixed results concerning predictors of outpatient-psychotherapy dropout. In this study, risk factors of psychotherapy dropout – including risky alcohol use – were examined in a university outpatient psychotherapy clinic. Patients and Methods: 178 patients were divided into 2 groups: completer (successful...
Article
Full-text available
Aims: Posttraumatic stress disorder (PTSD) is a significant comorbidity in substance use disorders (SUDs). While most studies have addressed trauma/PTSD in abstinent patients, little is known about trauma/PTSD in early detoxification treatment. The current study therefore addresses the systematic evaluation of trauma/PTSD in early inpatient detoxi...
Article
Full-text available
The role of alcohol-related risk perception for effective treatment of alcohol use disorders (AUD) is still unclear. The present study on 101 alcohol-dependent patients undergoing a 10-week AUD treatment protocol investigated the relationship between alcohol-related risk perception and alcohol use with the hypotheses that (1) risk perception change...
Article
Full-text available
Background and aimsMigration and khat use were found to correlate with high rates of psychopathology. In this paper we aimed for assessing baseline multimorbidity and its interactions with a Brief Intervention. Methods In the RCT, 330 male Somali khat users were assigned to treatment conditions (khat use is a predominantly male habit). The ASSIST-l...
Article
Background: Trauma and adverse childhood experiences (ACE) occur more often in mental illness, including psychosis, than in the general population. Individuals with psychosis (cases) report a higher number and severity (dose) of adversities than healthy controls. While a dose-dependent increase of adversities has been related to more severe psycho...
Article
Violence, flight, famine, and natural disasters as well as the absence of a psychosocial healthcare system are major psychological burdens for refugees. The level of provision of mental healthcare is particularly low in developing countries. Internally displaced people and refugees place high demands on the healthcare system because they often suff...
Article
People with a migration background are a risk group for psychiatric disorders. Innovative, transnational and sustainable projects are necessary to ensure adequate care for refugees and asylum seekers. Selected projects of the University of Munich, the Charité Berlin and the University of Konstanz show promising approaches in addition to other initi...
Article
Khat use is a drug problem characteristic of the Eastern Mediterranean Region, which is a widespread culturally accepted practice in some countries and is becoming more prevalent in others. Although limited use may not be accompanied by serious consequences, prolonged exposure could lead to dependence, psychosis and other psychiatric disorders and...
Article
Zusammenfassung. Zielsetzung: Alkoholabhangige Personen (AP) zeigen riskanten Alkoholkonsum trotz des Wissens um dessen objektive Risiken. Um die Bedeutung des Konstrukts Risikowahrnehmung fur diese Diskrepanz zu uberprufen, wurde die „accuracy“ Hypothese und der „optimistic bias“ bei Alkoholabhangigkeit untersucht. Methodik: Zur Hypothesenprufung...
Article
Full-text available
Background The Jimma University in southwestern Ethiopia has a unique health and demographic surveillance system called „Gilgel Gibe Field Research Center” (GGFRC) with a catchment area of about 50.000 people. In this setting, we studied the effect of khat use as risk factor for the development and the stability of psychotic symptoms among young me...
Article
It is unclear whether PTSD symptoms and reports of traumatic childhood experiences decline during substance withdrawal. We recruited a convenience sample of 34 inpatients of the Psychiatric University Clinics in Basel and assessed general psychopathological and trauma-related symptoms with the Brief Symptom Checklist (BSCL), Posttraumatic Stress Di...
Chapter
Khat refers to the young and tender leaves and shoots of the khat tree (Catha edulis). It is an evergreen tree that can be found in the Abyssinian highlands, the Horn of Africa, Eastern and Southern Africa, the Arab peninsula, and Afghanistan. The alkaloid cathinone (S-(-)-a-aminopropiophenone) is considered to be the main psychoactive compound. Th...
Article
Full-text available
Background Regular exercise can have positive effects on both the physical and mental health of individuals with schizophrenia. However, deficits in cognition, perception, affect, and volition make it especially difficult for people with schizophrenia to plan and follow through with their exercising intentions, as indicated by poor attendance and h...
Article
Suchtmedizin 17(4), 163-172 (2015) für eine Kopie des Artikels wenden Sie sich bitte direkt an den Verlag (for copy of article, pls. contact publishing company directly). E-Mail: k.preussner@ecomed-storck.de
Article
Full-text available
In East-African and Arab countries, khat leaves are traditionally chewed in social settings. They contain the amphetamine-like alkaloid cathinone. Especially among Somali refugees, khat use has been associated with psychiatric symptoms. We assessed khat-use pat-terns and psychiatric symptoms among male Somali refugees living in a disadvantaged urba...
Chapter
During the past decades khat use has become a frequent and frenetic, but unnoticed, phenomenon in a number of very poor countries in the world where its use is not controlled and where its economic importance grows. Khat research is still in its beginnings and lags behind the increasingly uninhibited pattern of khat use. In this chapter, potential...
Article
Full-text available
Einleitung: Seit einigen Jahren wird an stetiger Anstieg von neuartigen psychoaktiven Substanzen beobachtet, die haufig unter der irrefuhrenden Bezeichnung „Legal Highs“ in Form von Pseudoprodukten (z.B. Badesalz) vermarktet werden. Bislang gibt es nur unzureichende Kenntnisse uber die Nutzer dieser Substanzen, z.B. dass die weitaus meisten Legal H...
Article
Full-text available
Motivation to change has been proposed as a prerequisite for behavioral change, although empirical results are contradictory. Traumatic experiences are frequently found amongst patients in alcohol treatment, but this has not been systematically studied in terms of effects on treatment outcomes. This study aimed to clarify whether individual Trauma...
Chapter
For centuries the khat leaves have been chewed for their mild stimulating and euphorogenic properties, becoming integral part of the culture of certain ethnic groups in Kenya, Ethiopia and Yemen. The leaves contain cathinone and other alkaloids that are similar to amphetamine. For centuries khat remained a niche crop locally restricted, culturally...
Article
Full-text available
Background In Low and Middle Income Countries, mental health services are often poorly developed due to the lack of resources and trained personnel. In order to overcome these challenges, new ways of care have been suggested such as a focus on community-based services. In Somalia, the consumption of the natural stimulant khat is highly prevalent, a...
Data
Table S1. Medication side effects at follow-up. The table reports means and standard deviations as well as percentages and N. Results of group comparisons between outpatients and remitted patients are reported in the last column. 1 missing data: 16 outpatients, 13 remitted patients. 2 missing data: 17 outpatients, 12 remitted patients. Table S2: Kh...
Article
Full-text available
Dropout rates from detoxification treatment are high. We tested whether high trauma event load was related to a higher dropout from alcohol detoxification. Furthermore, we studied the feasibility and effects of a short psychoeducational tool to increase retention among traumatized alcohol in-patients. Retention and treatment length were compared be...
Article
Full-text available
The aim of the present randomized controlled trial was to compare the outcome of 2 active treatments for posttraumatic stress disorder (PTSD) as a consequence of war and torture: narrative exposure therapy (NET) and stress inoculation training (SIT). Twenty-eight PTSD patients who had experienced war and torture, most of them asylum seekers, receiv...
Article
Full-text available
In the study of state failure, scholars and practitioners have mostly focused on macro-level indicators to determine which state is failed and which is not. This focus overlooks crucial local and regional variation that has to be taken into account when designing interventions. In this article, we develop a new approach to examine state failure on...
Book
Full-text available
Khat leaves are cultivated in the highlands of the Horn of Africa, Southern Arabia and along the East African coast. In parts of Ethiopia, Kenya, Somaliaand Yemen, khat leaves have been chewed for centuries for their mildly stimulating properties and are for many a regular part of social life. Traditionally, khat was used mostly by men during highl...
Article
Full-text available
Within the last decade the hitherto little known psychoactive substance of khat has emerged as a regional and international issue. In the Horn of Africa khat production has spurred an economic boom, but dramatic increases in consumption have raised public health concerns. Given the complexity of the topic spanning multiple academic disciplines and...
Article
Full-text available
Rates of posttraumatic stress disorder (PTSD) are exceptionally high among asylum-seekers. Reportedly, stressors caused by the asylum procedure and psychological consequences of torture contribute to the maintenance of symptoms and interfere with treatment. In a pilot randomized controlled trial, the authors examined the efficacy of trauma-focused...
Chapter
Disarmament, demobilization, and reintegration (DDR) programs are part of most international peace-building efforts and post-conflict interventions in developing countries. Well over a million former combatants have participated in DDR programs in more than 20 countries, the vast majority of them in sub-Saharan Africa. The impact, however, has rema...
Article
In this article, we comment on the current international discourse on khat, we highlight pitfalls and and suggest balanced national international regulatory actions. A brief an focussed review of the available literature on khat and health and examples from our own research are provided. The use patterns of catha edulis (khat) have changed througho...
Article
Full-text available
The current literature on khat and mental disorders focuses on khat-induced disorders neglecting at large the adverse consequences of co-morbid use on pre-existing disorders. The case of a 32 year old Somali with a delusional disorder and co-morbid khat abuse is presented who killed a man in the state of paranoid delusions. The psychotic exacerbati...
Article
Full-text available
The chewing of the khat leaves, which contain the amphetamine-like cathinone, is a traditional habit in Somalia. Our objective was to explore the effects of khat use and Posttraumatic Stress Disorder (PTSD) on paranoid symptoms and to test a potential causal chain. We report on a cross-sectional study in Somalia that was conducted in 2003. Trained...
Article
Full-text available
In Switzerland, a total of 1'000 patients a year are treated for alcohol-dependence in specialized institutions. Though the current literature suggests favoring outpatient treatment, whether outpatient or inpatient treatment is more efficient cannot be answered generally. For Germany, "AWMF"-treatment guidelines were formulated in order to treat pa...
Data
Full-text available
Table showing independent t-test values across gender and nationality for key indicators. The data provided represents the statistical analysis of t-test values for various variables across gender and nationality.
Article
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That persons who are objects of violence and traumatisation become offenders themselves is a typical feature of ill-fated cycles of violence in countries torn by fierce political, ethnic, and religious conflicts. Some refugees and migrants with this background present a challenge to forensic psychotherapy when they continue such patterns of physica...
Article
Full-text available
The aim of this study was to establish the prevalence of posttraumatic stress disorder (PTSD) and depression among Rwandese and Somali refugees resident in a Ugandan refugee settlement, as a measure of the mental health consequences of armed conflict, as well as to inform a subsequent mental health outreach program. The study population comprised a...
Article
Full-text available
The chewing of the khat leaves, which contain the amphetamine-like cathinone, is a traditional habit in Somalia. Our objective was to explore the effects of khat use and Posttraumatic Stress Disorder (PTSD) on paranoid symptoms and to test a potential causal chain. We report on a cross-sectional study in Somalia that was conducted in 2003. Trained...
Article
Full-text available
Traumatic stress due to conflict and war causes major mental health problems in many resource-poor countries. The objective of this study was to examine whether trained lay counselors can carry out effective treatment of posttraumatic stress disorder (PTSD) in a refugee settlement. In a randomized controlled dissemination trial in Uganda with 277 R...
Article
Full-text available
For more than a decade, most parts of Somalia have not been under the control of any type of government. This "failure of state" is complete in the central and southern regions and most apparent in Mogadishu, which had been for a long period in the hands of warlords deploying their private militias in a battle for resources. In contrast, the northe...