An interventional study of Brief Mindfulness Training and Resting Control Training in Major Depressive Disorder, sponsored by Freie Universität Berlin. Completed. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2016-06-16.
Sponsored by Freie Universität Berlin · Not applicable, Interventional, and Basic science
Despite considerable progress in the understanding of depression, the treatment of those who have entered a chronic course of the disorder still represents a major challenge. In order to develop more effective interventions it is important to learn more about maintaining mechanisms and the ways in which these can be addressed. Recent research has outlined aberrations in neurophysiological parameters that may serve as risk factors underlying tendencies to engage in maladaptive responses to negative mood, and that may be particularly pronounced in patients with chronic depression. Initial evidence suggests that such deficits may not be easily amenable through established treatments. The current study investigated whether mental training using mindfulness mediation, as compared to an active control training, could alter these parameters in chronically depressed patients.
Persistent engagement in maladaptive patterns of thinking is a hallmark of depression. In those who suffer from a chronic course of the disorders, tendencies towards engagement in such patterns of thinking are likely to have become habitual and automatic in nature. Recent research has begun to elucidate potential cognitive and neurophysiological bases of such persistence. There is evidence that depressed patients show significant deficits in performance monitoring (Weinberg, Dieterich, \& Riesel, 2015). Research on error-related negativity (ERN), a signal that occurs briefly after commission of an error, has reported significant aberrations in depressed suggesting deficits at the early stages of processing discrepancies. Deficits in ERN have been suggested to serve as an endophenotype for depression and psychopathology more generally (Manoach \& Agam, 2013). Preliminary findings suggest that deficits remain even when symptoms are reduced following established treatments. Similarly, there is evidence for increased tendencies to elaborate negative information as evidenced by stronger late positive potentials (LPP; Auerbach, Stanton, Proudfit, \& Pizzagalli, 2015) and an increased rigidity of spontaneous activity of the brain during rest as indicated by increased long-range temporal correlations of spontaneous brain oscillations (LRTC; Bornas et al., 2013).
Interventions using mental training may be particularly suited to address these aberrations. Indeed even brief training in mindfulness has been found to have significant neuroplastic effects (Tang et al., 2010) The aim of the current study was therefore to investigate the effects of a brief intervention using training in mindfulness meditation on the above listed parameters. Chronically depressed patients were randomly allocated to receive either a two-week mindfulness training or a resting control training. EEG was measured before and after the intervention along with self-reports of current symptoms and resilience/vulnerability factors. We expected the mindfulness training to have significantly stronger effects on ERN, LPP, and LRTC than the resting control training.
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The brief mindfulness training comprised of three 1.5-hour weekly individual sessions and included intensive daily home practice. Participants were asked to engage in formal meditation practice for about 25 minutes twice per day on six out of seven days of each week using recorded guided meditations. Practices were shorter in duration than the practices in Mindfulness-Based Cognitive Therapy (MBCT, Segal et al., 2002) in order to allow for more flexibility in scheduling the practices, but followed the standard sequence of mindfulness-based interventions.
Behavioral: Brief Mindfulness Training
The resting control training comprised of three 1.5-hour weekly individual sessions and included intensive daily home practice. Participants were asked to schedule regular rest periods as a means of deliberately retreating from the activities of the day. Length and frequency of the rest periods mirrored the time demands of the meditation training. Participants received a plausible rationale for the control training that linked acute depression to stress and suggested rest, relaxation, and disengagement from negative thinking as an initial and preliminary step towards recovery.
Behavioral: Resting Control Training
Brief mindfulness training comprising of three weekly individual sessions and daily guided meditation home practice
Also known as: Mindfulness Intervention
Brief resting control training comprising of three weekly individual sessions and daily home practice consisting of resting periods
Also known as: Resting Control
Error-related negativity
Event-related potential (EEG)
Time frame: Two weeks
Long-range temporal correlations of theta oscillations in resting EEG
Resting EEG
Time frame: Two weeks
Late positive potentials
Event-related potential (EEG)
Time frame: Two weeks
Levels of state mindfulness
Self-report
Time frame: Two weeks
Interoceptive awareness
Self-report
Time frame: Two weeks
Levels of depressive symptoms
Self-report
Time frame: Two weeks
Ruminative tendencies
Self-report
Time frame: Two weeks
No study locations are listed for this record.
Plan to share: No
This study is completed, as verified in Jun 2016. You cannot join it, but the record below documents what was studied.
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Freie Universität Berlin