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Neural stress reactivity relates to smoking outcomes and differentiates between mindfulness and cognitive-behavioral treatments.

Hedy Kober, Judson A. Brewer, Keri L Height, Rajita Sinha

Neuroimage September 28, 2016 DOI: 10.1016/j.neuroimage.2016.09.042 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Randomized or comparative intervention study with fMRI assessment Peer reviewed
Sample size 23
Population Adults enrolled in smoking-cessation treatment
Intervention Mindfulness training
Duration 3-month post-treatment follow-up
Topics Meditation
Keywords Humans Magnetic resonance imaging Treatment outcome Brain mapping Stress, psychological Smoking cessation Middle aged Female Cigarette smoking Cognitive behavioral therapy FMRI Cognitive-behavioral therapy
Key points Stress reactivity in the amygdala and anterior/mid insula was related to reductions in smoking after treatment and at 3-month follow-up across the sample. The mindfulness training group showed lower stress reactivity in these regions than the Freedom From Smoking cognitive-behavioral group, which the authors suggest may be one mechanism underlying mindfulness training's efficacy in reducing smoking over time.

Abstract

Stress and negative affect are known contributors to drug use and relapse, and several known treatments for addictions include strategies for managing them. In the current study, we administered a well-established stress provocation during functional magnetic resonance imaging (fMRI) to 23 participants who completed either mindfulness training (MT; N=11) or the American Lung Association's Freedom From Smoking (FFS; N=12), which is a cognitive-behavioral treatment (CBT) for smoking cessation. Across the entire sample, we found that stress reactivity in several brain regions including the amygdala and anterior/mid insula was related to reductions in smoking after treatment, as well as at 3-month post-treatment follow-up. Moreover, conjunction analysis revealed that these same regions also differentiated between treatment groups such that the MT group showed lower stress-reactivity compared to the FFS/CBT group. This suggests that reduction in stress reactivity may be one of the mechanisms that underlie the efficacy of MT in reducing smoking over time. The findings have important implications for our understanding of stress, the neural and psychological mechanisms that underlie mindfulness-based treatments, and for smoking cessation treatments more broadly.

Comparable studies

Other randomized controlled trials on meditation, most cited first.

Study Year Design Participants
Alterations in Brain and Immune Function Produced by Mindfulness Meditation Healthy employees in a work environment 2003 Randomized controlled trial n = 41
Prevention of relapse/recurrence in major depression by mindfulness-based cognitive therapy. Recovered recurrently depressed patients 2000 Randomized controlled trial n = 145
Open hearts build lives: Positive emotions, induced through loving-kindness meditation, build consequential personal resources. Working adults 2008 Randomized controlled trial n = 139
Short-term meditation training improves attention and self-regulation Undergraduate Chinese students 2007 Randomized controlled trial n = 40
Mindfulness-Based Cognitive Therapy for Depression: Replication and Exploration of Differential Relapse Prevention Effects. Recovered recurrently depressed patients 2004 Randomized controlled trial n = 73

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