The Physiological and Clinical-Behavioral Effects of Heart Rate Variability Biofeedback in Adolescents with Autism: A Pilot Randomized Controlled Trial

IF 2.2 3区心理学 Q2 PSYCHOLOGY, CLINICAL

Applied Psychophysiology and Biofeedback Pub Date : 2024-03-15 DOI:10.1007/s10484-024-09638-1

Anoushka Thoen, Kaat Alaerts, Jellina Prinsen, Jean Steyaert, Tine Van Damme

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Abstract

Adolescents with autism present lower levels of cardiac vagal modulation. It was hypothesized that Heart Rate Variability Biofeedback (HRVB) increases cardiac vagal modulation in adolescents with autism, resulting in positive effects on physiological and psychosocial parameters. It was also hypothesized that home-based HRVB training is feasible. In a single-blind, randomized sham-controlled pilot trial, adolescents with autism performed supervised HRVB (n = 24) or sham training (n = 20). Subsequently, half of the adolescents received HRVB training at home, whereas the other subset did not practice. Physiological, cortisol and behavioral data were collected during stress-provoking assessments before and after each training period. Supervised HRVB resulted in a late increase in cardiac vagal modulation in adolescents with autism. Heart rate increased and cortisol decreased significantly immediately after supervised HRVB, but none of these effects remained after follow-up. Following supervised HRVB, no significant change in psychosocial functioning was found. Home-based HRVB was feasible, adolescents reported lower symptoms of stress, but a significant decrease in compliance rate was found. HRVB is feasible and effective in adolescents with autism given the late-emerging increases in cardiac vagal modulation and decrease in stress symptoms. Replicating this study with a larger sample and further exploration of the working mechanisms of HRVB are recommended. ClinicalTrials.gov, NCT04628715.

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心率变异生物反馈对自闭症青少年的生理和临床行为影响：随机对照试验》。

自闭症青少年的心脏迷走神经调节水平较低。假设心率变异生物反馈（HRVB）能提高自闭症青少年的心脏迷走神经调节能力，从而对生理和心理参数产生积极影响。此外，还假设在家进行心率变异生物反馈训练是可行的。在一项单盲、随机假对照试点试验中，自闭症青少年接受了有监督的心率变异调节训练（24 人）或假训练（20 人）。随后，一半的青少年在家中接受心率变异训练，而另一部分青少年则不进行训练。在每个训练阶段前后的压力诱发评估中收集了生理、皮质醇和行为数据。在有监督的心率变异训练下，自闭症青少年的心脏迷走神经调节能力在后期有所增强。在心率变异有序调节训练后，心率立即显著增加，皮质醇也显著降低，但这些影响在随访后都没有消失。在接受心率变异训练后，自闭症青少年的社会心理功能没有发生明显变化。在家中进行心率变异训练是可行的，青少年报告的压力症状也有所减轻，但发现依从率明显下降。鉴于心脏迷走神经调节的增加和压力症状的减少，HRVB 对患有自闭症的青少年是可行且有效的。建议用更大的样本重复这项研究，并进一步探索 HRVB 的工作机制。ClinicalTrials.gov , NCT04628715.

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来源期刊

Applied Psychophysiology and Biofeedback PSYCHOLOGY, CLINICAL-

CiteScore

5.30

自引率

13.30%

发文量

期刊介绍： Applied Psychophysiology and Biofeedback is an international, interdisciplinary journal devoted to study of the interrelationship of physiological systems, cognition, social and environmental parameters, and health. Priority is given to original research, basic and applied, which contributes to the theory, practice, and evaluation of applied psychophysiology and biofeedback. Submissions are also welcomed for consideration in several additional sections that appear in the journal. They consist of conceptual and theoretical articles; evaluative reviews; the Clinical Forum, which includes separate categories for innovative case studies, clinical replication series, extended treatment protocols, and clinical notes and observations; the Discussion Forum, which includes a series of papers centered around a topic of importance to the field; Innovations in Instrumentation; Letters to the Editor, commenting on issues raised in articles previously published in the journal; and select book reviews. Applied Psychophysiology and Biofeedback is the official publication of the Association for Applied Psychophysiology and Biofeedback.