Mindfulness Meta-study Reveals Conflicting Findings

This meta study finds t conflicts between methodology and findings of mindfulness research.

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Title: Meditation Programs for Psychological Stress and Well-being: A Systematic Review and Meta-analysis

Authors: M Goyal, S Singh, EM Sibinga, NF Gould, A Rowland-Seymour, R Sharma, Z Berger, D Sleicher, DD Maron, HM Shihab, PD Ranasinghe, S Linn, S Saha, EB Bass, JA Haythornthwaite

Year: 2014

Summary: In this meta-analysis the effectiveness of meditation programs to impact on stress related outcomes was investigated. Randomized clinical trials where meditation was used by adult clinical populations to reduce the effect of conditions including; anxiety, perceived quality of life, depression, substance use, stress and distress were studied. The analysis included 47 trials with 3515 participants and indicated that mindfulness meditation training delivered moderate evidence of lower anxiety levels, depression and experience of pain and low evidence of improvements to stress, and distress levels. The research found little evidence that meditation had any significant impact on: eating habits, sleep, attention, substance use or positive mood. In conclusion the study found that meditation offered no greater benefit than other active treatments such as drugs, exercise or therapeutic intervention.

Perspective: Health psychology, medicine

Link: http://www.ncbi.nlm.nih.gov/pubmed/24395196

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Regulation of the Neural Circuitry of Emotion by Compassion Meditation: Effects of Meditative Expertise

Authors: Antoine Lutz, Julie Brefczynski-Lewis, Tom Johnstone, Richard J. Davidson

Year: 2008

Title: Regulation of the Neural Circuitry of Emotion by Compassion Meditation: Effects of Meditative Expertise

Summary: Functional magnetic resonance imaging (fMRI) investigation of the insula and anterior cingulate cortices in empathic response during loving-kindness, compassionate meditation. The contrast between rest and meditation states indicated increased activation in amygdala, right temporo-parietal junction (TPJ), and right posterior superior temporal sulcus (pSTS). The findings when taken in their entirety suggests the cultivation of positive emotional states through meditation creates changes to the activation of circuitries  linked to empathy and theory of mind in response to emotional stimuli.

Perspective: Neuroscience

Link: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0001897

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