ENact-PD: EEG Neuro-feedback to improve motor function in Parkinson’s

Cooke, Andrew; Lawrence, Catherine B.; Bellomo, Eduardo; Pritchard, Aaron; MacLeod, Catherine; Martin-Forbes, Pam; Mehler, David M. A.; Jones, Sally; Bracewell, Martyn; Hindle, John V.

doi:10.1186/isrctn16783092

Cited by 1 publication

(4 citation statements)

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“…Overall, the decrease alpha power neurofeedback training was associated with a 6% improvement in TUG score from pre-test to post-test, while no significant improvements were observed in either of the control conditions. This finding complements existing evidence arguing a similar beneficial effect of decrease central alpha power neurofeedback training on the time required to initiate discrete motor tasks (Hindle et al 2020 ). Importantly, it provides new evidence that EEG-based neurofeedback training designed to increase central midline activation can have a beneficial effect on the performance of whole-body fundamental movements.…”

Section: Discussionsupporting

confidence: 88%

“…Specifically, we predicted that the pre-test to post-test improvement in dual-task walking performance during the decrease alpha power condition would be mediated by the pre-test to post-test improvement in cognitive performance. We reasoned that support for this prediction would provide more compelling evidence than is currently available (e.g., Cheng et al 2015;Hindle et al 2020), to show that the benefits of this neurofeedback training can be attributed to increased motor automaticity. This is because our prediction would statistically associate improved performance on the cognitive dual-task (i.e., a finding known to occur with increased motor automaticity- Kal et al 2013) with the improvement in motor performance.…”

Section: Discussionmentioning

confidence: 99%

“…Finally, in a more recent experiment, Hindle et al( 2020 ) utilized auditory neurofeedback to encourage 16 people with Parkinson’s disease to decrease EEG alpha power (around 8–12 Hz) at the central electrodes overlying the supplementary motor area prior to initiating a precision grip force task designed to test their fine motor control. EEG alpha power has an inhibitory function, with increases in alpha power said to inhibit brain areas, and decreases in alpha power said to increase cortical activation (Klimesch et al 2007 ).…”

Section: How To Prevent De-automization? Neurofeedback Trainingmentioning

confidence: 99%

“…A replication of this experiment in a clinical population (e.g., Parkinson’s disease) could shed light on this issue. It is promising to note that preliminary work has provided some evidence of efficacy of neurofeedback training in such populations (e.g., Hindle et al 2020 ; Fumuro et al 2013 ), suggesting that neurofeedback could be effective even when some degeneration of the supplementary motor brain area is apparent.…”

Section: Limitations and Future Directionsmentioning

confidence: 99%

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Electroencephalographic neurofeedback training can decrease conscious motor control and increase single and dual-task psychomotor performance

Sidhu

Cooke

2020

Exp Brain Res

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The control of human movements is thought to automize with repetition, promoting consistent execution and reduced dual-task costs. However, contingencies such as illness or constraints to regular movement patterns can promote conscious motor control, which can reduce movement proficiency and make dual-task situations more difficult. This experiment evaluated whether electroencephalographic neurofeedback training can reduce the adverse effects of conscious motor control. Twenty-five participants completed the timed-up-and-go task while wearing a leg brace to de-automize their regular movement, under both single and dual-task (walking + serial sevens) conditions, both before and after 30-min of neurofeedback training. Three different types of neurofeedback were prescribed across three laboratory visits. We hypothesised that training to decrease central EEG alpha-power at scalp sites above the supplementary motor area would facilitate performance compared to opposite (increase central EEG alpha-power) or sham neurofeedback training. Results revealed a pre-test to post-test improvement in performance on the single-task and on both aspects of the dual-task when participants were trained to decrease central EEG alpha-power. There were no benefits of opposite or sham neurofeedback training. Mediation analyses revealed that the improvement in dual-task motor performance was mediated by the improvement in cognitive performance. This suggests that the neurofeedback protocol was beneficial because it helped to reduce conscious control of the motor task. The findings could have important implications for rehabilitation and high-performance (e.g., elite sport) domains; neurofeedback could be prescribed to help alleviate the problems that can arise when individuals exert conscious motor control.

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Section: Discussionsupporting

confidence: 88%