Alcohol Use Disorder Clinical Trial
Official title:
Stress Sensitivity, Emotion Processing and Cue-reactivity: the Influence of Adverse Childhood Experiences in Substance-related Disorders
Aversive childhood experiences (ACE) and their relation to the development of an alcohol use disorder will be measured with fMRI.
The aim of this study is to examine the impact of ACE on stress sensitivity, cue-reactivity and emotion processing in individuals with AUD. (Neuro-) biological and physiological mechanisms underlying AUD after ACE will be studied. Neural correlates of stress-sensitivity, emotion processing and alcohol cue-reactivity will be assessed using fMRI. Furthermore, blood and saliva samples will be used to assess biological and physiological mechanisms (e.g. salivary cortisol level or genetic markers of AUD and possible gene-environment-interactions). The question whether individuals with AUD and ACE might tend to use alcohol to cope with stress, negative affect or intrusions (according to the self-medication model) will be explored. On the other hand, individuals with AUD and low levels of ACE might use alcohol for its positive effects (according to a positive reinforcement model). 90 individuals (30 HC and 60 individuals with AUD and varying levels of ACE) will be examined using interviews, questionnaires and fMRI tasks as well as saliva and blood samples. All ethical votes and informed consents of participants are and will be obtained according to the declaration of Helsinki. ;
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