Randomized Trial on the Effects of a Group EMDR Intervention on Narrative Complexity and Specificity of Autobiographical Memories: A Path Analytic and Supervised Machine-Learning Study

Randomized trial on the effects of an EMDR intervention on traumatic and obsessive symptoms during the COVID-19 quarantine: a psychometric study

Introduction

It has been suggested that the COVID-19 pandemic was a potentially traumatic occurrence that may have induced generalized anxiety and discomfort, particularly in susceptible populations like individuals with mental illnesses. The therapeutic approach known as eye movement desensitization and reprocessing (EMDR) has been shown to be successful in helping patients process traumatic events and restore wellbeing. Nevertheless, little is known about the precise processes through which EMDR fosters symptom recovery.

Methods

In order to disentangle these issues, we conducted a randomized controlled trial (ClinicalTrials.gov Identifier NCT06110702) with 107 participants who were selected from university hospitals as a sample of investigation. Random assignments were applied to the participants in order to assign them to the experimental and control groups. The experimental group, but not the control group, underwent an 8-week EMDR intervention. Body perception, disgust, and emotions of guilt and shame, as well as mental contamination and posttraumatic and obsessive-compulsive symptoms, were investigated before and after the EMDR intervention.

Results

The EMDR intervention was able to improve all of the variables investigated. Path analysis showed that body perception was able to predict both disgust and emotions of guilt and shame. Disgust was able to predict both mental contamination and obsessive-compulsive symptoms, while guilt and shame were able to predict post-traumatic symptoms.

Conclusions

EMDR is an effective therapy for the treatment of post-traumatic and obsessive symptoms that acts through the promotion of improvement of the emotions of guilt/shame and disgust, respectively. Implications for clinical practice are examined.

Clinical trial registration

https://www.clinicaltrials.gov, identifier NCT06110702.

The integrative process promoted by EMDR in dissociative disorders: neurobiological mechanisms, psychometric tools, and intervention efficacy on the psychological impact of the COVID-19 pandemic

Dissociative disorders (DDs) are characterized by a discontinuity in the normal integration of consciousness, memory, identity, emotion, perception, bodily representation, motor control, and action. The life-threatening coronavirus disease 2019 (COVID-19) pandemic has been identified as a potentially traumatic event and may produce a wide range of mental health problems, such as depression, anxiety disorders, sleep disorders, and DD, stemming from pandemic-related events, such as sickness, isolation, losing loved ones, and fear for one's life. In our conceptual analysis, we introduce the contribution of the structural dissociation of personality (SDP) theory and polyvagal theory to the conceptualization of the COVID-19 pandemic-triggered DD and the importance of assessing perceived safety in DD through neurophysiologically informed psychometric tools. In addition, we analyzed the contribution of eye movement desensitization and reprocessing (EMDR) to the treatment of the COVID-19 pandemic-triggered DD and suggest possible neurobiological mechanisms of action of the EMDR. In particular, we propose that, through slow eye movements, the EMDR may promote an initial non-rapid-eye-movement sleep stage 1-like activity, a subsequent access to a slow-wave sleep activity, and an oxytocinergic neurotransmission that, in turn, may foster the functional coupling between paraventricular nucleus and both sympathetic and parasympathetic cardioinhibitory nuclei. Neurophysiologically informed psychometric tools for safety evaluation in DDs are discussed. Furthermore, clinical and public health implications are considered, combining the EMDR, SDP theory, and polyvagal conceptualizations in light of the potential dissociative symptomatology triggered by the COVID-19 pandemic.

Validation and Psychometric Properties of the Italian Version of the Unconditional Self-Kindness Scale (USKS)

Western psychology and social sciences have long emphasized the value of a positive attitude toward oneself. Previous research had developed psychometric tools assessing self-compassion, defined as being open to and moved by one's own suffering. However, self-compassion did not describe whether people actually applied such protective factors when acutely faced with threats. The Unconditional Self-Kindness Scale (USKS) was developed as a tool to measure the behavioral response of self-kindness during an acute presence of threat to the self and not just as a general attitude when threat is absent. Since it can be experienced even in the most challenging situations and may promote resilience, this kindness may be defined as unconditional. We validated the Italian version of the USKS and found that the scale retained a one-factor structure. The USKS showed sound psychometric properties and good convergent validity since it was found to show very strong correlations with the Self-Compassion Scale-Short-Form and the Reassure Self subscale of the Forms of Self-criticizing/Attacking and Self-Reassuring Scale (FSCRS). In addition, the USKS showed good discriminant validity since it was found to show a negative moderate correlation and a negative strong correlation with the HS subscale and with the IS subscale of the FSCRS, respectively. Finally, the USKS showed good test-retest reliability and its use is encouraged in clinical and research settings in which the assessment of a positive attitude toward oneself during an acute presence of threat to the self is of interest.

Adverse childhood experiences growing up in East or West Germany or abroad

Background

Adverse childhood experiences (ACEs) are potentially traumatic events that occur before the age of 18. The term encompasses various adverse childhood experiences, e.g., physical, psychological, and sexual abuse, physical and psychological neglect, and family dysfunction. Prevalence estimates for a broad spectrum of ACEs against the background of where childhood and adolescence were spent are scarcely available in Germany. This study examines the frequencies of adverse childhood experiences, considering growing up in East or West Germany or abroad and interacting with different age cohorts and gender.

Methods

A total of 5,018 individuals (51.4% female) aged 14 years and older were retrospectively assessed on adverse childhood experiences using questionnaires "adverse childhood experiences" (ACE). Logistic regression models were used to analyze the association between birth cohort, gender, and where a person grew up. Descriptive statistics and univariate analyses were used to calculate frequencies, proportions, and unadjusted associations for each variable.

Results

37.4% (N = 1,878) of respondents reported experiencing at least one form of ACE. Individuals who grew up abroad report significantly more adverse childhood experiences than individuals in East or West Germany. Men and women who grew up in East Germany reported a lower rate of ACEs. We found significant effects for all predictors: Where childhood and adolescence were predominantly spent, year of birth, and gender. Significant differences in the prevalence of adverse childhood experiences within the gender groups were only found for sexual and physical abuse and substance dependence in the household.

Conclusion

The results suggest that the socio-political context plays an essential role in the experience of adverse childhood experiences, both in frequency and risk. Thus, child abuse and neglect studies should increasingly focus on societal risk and protection mechanisms.