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Randomized Controlled Trial
. 2021 Jun;46(2):205-214.
doi: 10.1007/s10484-020-09500-0. Epub 2021 Jan 2.

Efficacy of a Brief Biofeedback Intervention on Mood, Arousal, Mental Workload, Movement Time, and Biofeedback Device Preference

Seth Rose  1   2 , Frances Cacho  3   2 , Lenny Wiersma  4   5 , Anthony Magdaleno  6   2 , Nicholas Anderson  6   2 , Traci Statler  6   2
Affiliations
Randomized Controlled Trial

Efficacy of a Brief Biofeedback Intervention on Mood, Arousal, Mental Workload, Movement Time, and Biofeedback Device Preference

Seth Rose et al. Appl Psychophysiol Biofeedback. 2021 Jun.

Abstract

Biofeedback (BF) training has been utilized with performers for years. Previous literature highlights the effectiveness of multi-week intervention protocols, but there is a lack of evidence for abbreviated interventions using portable devices and the performer's preference of these devices. Therefore, we investigated the effects of a brief BF intervention on mental workload, mood, arousal, and movement time and BF device preference. Participants (N = 40) were randomly assigned to one of two heart rate variability (HRV) BF interventions or a control group. Although the brief intervention did not have a significant effect on mood, movement time, or mental workload, it did significantly and positively impact perceived arousal. Overall, 12 participants (48%) preferred the EmWave™ desktop device, eight (32%) preferred the Inner Balance™ device, and five (20%) preferred the EmWave2™ portable device. Results support limited effectiveness of a brief HRV BF protocol, although the dose-response effectiveness should continue to be explored.

Keywords: Biofeedback; Heart rate variability; Mental performance; Sport psychology; Technology.

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