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Mindfulness-based stress reduction (MBSR) is a promising intervention for veterans with post-traumatic stress disorder (PTSD) and depression; however, a more detailed examination of the different elements of MBSR and various facets of mindfulness to determine what works best for whom is warranted. One hundred and two veterans with PTSD were randomly assigned to one of four arms: (a) body scan (BS; n = 27), (b) mindful breathing (MB; n = 25), (c) slow breathing (SB; n = 25), or (d) sitting quietly (SQ; n = 25). The purpose of this study was to (a) examine two separate components of MBSR (i.e., body scan and mindful breathing) among veterans with PTSD when compared to a nonmindfulness intervention (SB) and a control group (SQ), (b) assess if changes in specific mindfulness facets were predictive of post-treatment PTSD and depression for individuals who participated in a mindfulness intervention (BS vs. MB), and (c) investigate if type of mindfulness intervention received would moderate the relationship between pre- to post-treatment changes in mindfulness facets and post-treatment outcomes in PTSD and depression. Participants in the mindfulness groups experienced significant decreases in PTSD and depression symptom severity and increases in mindfulness, whereas the nonmindfulness groups did not. Among veterans who participated in a mindfulness group, change in the five facets of mindfulness accounted for 23 % of unique variance in the prediction of post-treatment depression scores. Simple slope analyses revealed that type of mindfulness intervention moderated the relationship among changes in facets of mindfulness and post-treatment depression.
PURPOSE: This study used a multiple crossover ABAB single case design to examine intracranial EEG data during a breath awareness meditation and an active control task.RESULTS: Visual analyses suggest that a brief breath awareness mediation was consistently associated with increased alpha power when compared to the active control. Less consistent effects were found with theta, beta, and high gamma activity. Nonparametric tests provided additional support for this finding.
CONCLUSIONS: Acquiring intracranial EEG patterns during a meditative state may provide more insight into the physiology of meditation with less contamination of high-frequency muscle activity. While access to intracranial EEG during meditation is rarely available, single case design studies are considered adaptations of interrupted time-series designs and can provide an experimental evaluation of intervention effects.
PURPOSE: This study used a multiple crossover ABAB single case design to examine intracranial EEG data during a breath awareness meditation and an active control task.RESULTS: Visual analyses suggest that a brief breath awareness mediation was consistently associated with increased alpha power when compared to the active control. Less consistent effects were found with theta, beta, and high gamma activity. Nonparametric tests provided additional support for this finding.
CONCLUSIONS: Acquiring intracranial EEG patterns during a meditative state may provide more insight into the physiology of meditation with less contamination of high-frequency muscle activity. While access to intracranial EEG during meditation is rarely available, single case design studies are considered adaptations of interrupted time-series designs and can provide an experimental evaluation of intervention effects.
OBJECTIVE: Nearly 38% of U.S. adults use complementary and alternative medicine approaches to manage physical conditions (e.g., chronic pain, arthritis, cancer, heart disease, and high blood pressure) and psychological or emotional health concerns (e.g., post-traumatic stress disorder, anxiety, and depression). Research evidence has accumulated for yoga as an effective treatment approach for these conditions. Further, yoga has increased in popularity among healthcare providers and the general population. Given these trends, this study explored perceptions about yoga as a viable complementary treatment to which health professions students would refer patients.PARTICIPANTS: More than 1500 students enrolled in health professions programs at a Pacific Northwest school were enrolled; data were obtained from 478 respondents.
DESIGN: The study assessed willingness to refer patients to yoga as a complementary and alternative medicine for 27 symptoms (identified in the literature as having evidence for yoga's utility), which were subsequently grouped into skeletal, physical, and psychological on the basis of factor analysis. Responses were assessed using a mixed-model analysis of variance with health profession and yoga practitioner as between-subjects variables and symptoms as a within-subjects factor.
RESULTS: In descending order of likelihood to refer patients to yoga were students in occupational therapy, physician assistant program, psychology, physical therapy, pharmacy, dental hygiene, speech and audiology, and optometry. All groups perceived yoga's greatest utility for skeletal symptoms, followed by psychological and physical symptoms. Findings also revealed a significant positive relationship between level of personal yoga practice and willingness to refer patients to yoga.
CONCLUSIONS: Although students expressed some openness to referring patients to yoga, ratings of appropriateness were not accurately aligned with extant evidence base. Personal experience seemed to be a salient factor for accepting yoga as a referral target. These findings suggest the importance of developing strategies to make health professionals more aware of the merits of yoga, regardless of whether they themselves are yoga practitioners.