Differential effects of visual versus auditory biofeedback training for voluntary postural sway

Abstract

Augmented sensory biofeedback training is often used to improve postural control. Our previous study showed that continuous auditory biofeedback was more effective than continuous visual biofeedback to improve postural sway while standing. However, it has also been reported that both discrete visual and auditory biofeedback training, presented intermittently, improves bimanual task performance more than continuous visual biofeedback training. Therefore, this study aimed to investigate the relative effectiveness of discrete visual biofeedback versus discrete auditory biofeedback to improve postural control. Twenty-two healthy young adults were randomly assigned to either a visual or auditory biofeedback group. Participants were asked to shift their center of pressure (COP) by voluntary postural sway forward and backward in line with a hidden target, which moved in a sinusoidal manner and was displayed intermittently. Participants were asked to decrease the diameter of a visual circle (visual biofeedback) or the volume of a sound (auditory biofeedback) based on the distance between the COP and the target in the training session. The feedback and the target were given only when the target reached the inflection points of the sine curves. In addition, the perceptual magnitudes of visual and auditory biofeedback were equalized using Stevens’ power law. Results showed that the mean and standard deviation of the distance between COP and the target were reduced int the test session, removing the augmented sensory biofeedback, in both biofeedback training groups. However, the temporal domain of the performance improved in the test session in the auditory biofeedback training group, but not in the visual biofeedback training group. In conclusion, discrete auditory biofeedback training was more effective for the motor learning of voluntarily postural swaying compared to discrete visual biofeedback training, especially in the temporal domain.

Visual and acoustic feedback on the support reaction for upper and lower extremities: a case study of a female patient after a stroke

“…Значимость включения в процесс тренировки именно слухового канала сенсорной БОС подчеркнута в исследовании N. Hasegawa и соавт. По мнению авторов, она в большей степени по сравнению со зрительной способствует улучшению моторного обучения динамическому контролю позы, в первую очередь за счет усиления интеграции проприоцептивных стимулов [18,19]. Эффективность использования технологий мультимодального сенсорного усиления для повышения устойчивости во время выполнения статических задач и для улучшения баланса во время динамических задач отмечена в одном из недавних обзоров K.H.…”

Combination of Stem Cells and Rehabilitation Therapies for Ischemic Stroke

“…Neurofeedback therapy (NTF) is a specialized form of biofeedback characterized by circumscribed neural activation and provides a visual representation of patient measurements for patients to achieve real-time self-modulation in the motor process in stroke rehabilitation [ 231 , 232 , 233 ]. NTF influences neuroplasticity by combatting wave activity that has been slowed due to damage following a stroke by presenting visual and auditory stimuli to the patient and training the patient to adapt their brainwave function to meet threshold targets via feedback signals [ 234 ].…”

Adaptive Control Method for Gait Detection and Classification Devices with Inertial Measurement Unit

“…One form of rehabilitation that has been shown to be particularly effective for PD-related gait disorders is augmented feedback training. Many researchers have explored the use of augmented feedback training to improve gait and alleviate gait disorders [ 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 ]. However, in order to effectively use these training methods, it is necessary to have a gait analysis system that can detect and evaluate a user’s gait.…”