Key result
Compassionate self-talk moderately reduces perceived stress and increases HF-HRV during cognitive stress in GAD.
Why the study?
While self-compassion training shows promise in alleviating anxiety, its acute effects on stress-related autonomic regulation in generalized anxiety disorder remain unclear.
Does a single-session compassionate self-talk protocol improve emotional and autonomic stress responses in adults with generalized anxiety disorder?
RCT (n=46)
Randomly assigned
No
Does a single-session compassionate self-talk protocol improve emotional and autonomic stress responses in adults with generalized anxiety disorder?
Standardized Mean Difference: 0.62
Absolute Event Rate: -0.91% vs -0.24%
p-value: p=0.043
A brief compassionate self-talk intervention may acutely reduce perceived stress and enhance parasympathetic autonomic regulation during cognitive stress in patients with generalized anxiety disorder.
Supports brief self-compassion exercises in GAD management; extends evidence to acute autonomic regulation in anxiety.
Generalized anxiety disorder (GAD), characterized by persistent and excessive worry, exhibits high treatment resistance. While self-compassion training shows promise in alleviating anxiety, its acute effects on stress-related autonomic regulation in GAD remain unclear. This randomized controlled trial examined whether a single-session compassionate self-talk protocol improves emotional and autonomic stress responses in GAD, focusing on high-frequency heart rate variability (HF-HRV) as an index of parasympathetic engagement. Forty-six clinically diagnosed GAD participants were randomly assigned to either a compassionate self-talk group ( n = 23) or a neutral self-talk control ( n = 23). Participants completed a cognitive stress task (time-limited Raven’s matrices with evaluative feedback) with continuous electrocardiogram (ECG) recording. State anxiety (STAI-S), perceived stress, state self-compassion (SSCS), and affect (PANAS) were assessed pre- and post-intervention. The self-compassion group showed greater reductions in perceived stress ( t (44) = -2.09, p = 0.043, d = 0.62) and increased positive affect ( t (44) = 2.29, p = 0.028, d = 0.67), though no significant group differences emerged for state anxiety or state self-compassion. During stress exposure, HF-HRV was significantly higher in the self-compassion group ( t (37) = 2.15, p corrected = 0.038) during a late post-feedback interval. Correlational analyses revealed that increased state self-compassion correlated with reduced stress ( r = -0.54, p = 0.001) and anxiety ( r = -0.45, p = 0.010). These findings suggest that brief compassionate self-talk may improve subjective stress coping in GAD and may be associated with altered event-related autonomic dynamics during cognitive stress. Given the modest sample and ultra-short HRV segments, physiological interpretations warrant a cautious approach. Future studies may test whether combining self-compassion training with HRV biofeedback optimizes intervention efficacy in clinical settings. Clinical trial registration ChiCTR.org.cn , identifier ChiCTR2100053374.
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Sun et al. (2026) conducted an RCT in Generalized anxiety disorder (n=46). Compassionate self-talk vs. Neutral self-talk was evaluated on Change in perceived stress (d = 0.62, p=0.043). A brief compassionate self-talk intervention significantly reduced perceived stress (d = 0.62) and increased high-frequency heart rate variability during cognitive stress in adults with generalized anxiety disorder.
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