Key result
Higher positive affect enhanced the effect of heart rate variability biofeedback on problem-solving ability in patients with severe brain injury (interaction b = -3.902, p = 0.072).
Why the study?
Does positive affect moderate the effect of HRV biofeedback treatment on executive dysfunction in individuals with chronic severe brain injury?
Observational (n=13)
Does positive affect moderate the effect of HRV biofeedback treatment on executive dysfunction in individuals with chronic severe brain injury?
Positive affect moderates the efficacy of HRV biofeedback training, improving cognitive outcomes like mental flexibility in patients with severe brain injury.
Positive affect may moderate HRV biofeedback effects on cognition after brain injury; hypothesis-generating and should not yet change practice.
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Kim et al. (2018) conducted an observational in chronic severe brain injury (n=13). Heart rate variability (HRV) biofeedback and positive affect was evaluated on change in Category Test errors (b = -3.902, p=0.072). Higher positive affect enhanced the effect of heart rate variability biofeedback on problem-solving ability in patients with severe brain injury (interaction b = -3.902, p = 0.072).
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