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Efficacy of Neurofeedback Interventions for Cognitive Rehabilitation Following Brain Injury: Systematic Review and Recommendations for Future Research

Published online by Cambridge University Press:  27 January 2020

Jordan I. Ali Open the ORCID record for Jordan I. Ali [Opens in a new window] ,
Jeremy Viczko  and
Colette M. Smart
Jordan I. Ali*
Affiliation:
Department of Psychology, University of Victoria, Victoria, BC V8W 2Y2, Canada Institute on Aging & Lifelong Health, University of Victoria, Victoria, BC V8P 2Y2, Canada
Jeremy Viczko
Affiliation:
Department of Psychology, University of Victoria, Victoria, BC V8W 2Y2, Canada
Colette M. Smart
Affiliation:
Department of Psychology, University of Victoria, Victoria, BC V8W 2Y2, Canada Institute on Aging & Lifelong Health, University of Victoria, Victoria, BC V8P 2Y2, Canada
*
*Correspondence and reprint requests to: Jordan I. Ali, Department of Psychology, University of Victoria, PO Box 1700 STN CSC, Victoria, BC V8W 2Y2, Canada. E-mail: [email protected]
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Abstract

Objectives:

Interest in neurofeedback therapies (NFTs) has grown exponentially in recent years, encouraged both by escalating public interest and the financial support of health care funding agencies. Given NFTs’ growing prevalence and anecdotally reported success in treating common effects of acquired brain injury (ABI), a systematic review of the efficacy of NFTs for the rehabilitation of ABI-related cognitive impairment is warranted.

Methods:

Eligible studies included adult samples (18+ years) with ABI, the use of neurofeedback technology for therapeutic purposes (as opposed to assessment), the inclusion of a meaningful control group/condition, and clear cognitive–neuropsychological outcomes. Initial automated search identified n = 86 candidate articles, however, only n = 4 studies met the stated eligibility criteria.

Results:

Results were inconsistent across studies and cognitive domains. Methodological and theoretical limitations precluded robust and coherent conclusions with respect to the cognitive rehabilitative properties of NFTs. We take the results of these systematic analyses as a reflection of the state of the literature at this time. These results offer a constructive platform to further discuss a number of methodological, theoretical, and ethical considerations relating to current and future NFT–ABI research and clinical intervention.

Conclusions:

Given the limited quantity and quality of the available research, there appears to be insufficient evidence to comment on the efficacy of NFTs within an ABI rehabilitation context at this time. It is imperative that future work increase the level of theoretical and methodological rigour if meaningful advancements are to be made understanding and evaluating NFT–ABI applications.

Keywords

NeurofeedbackBrain–computer interfacesBrain injuriesTraumaticStrokeCognitive dysfunctionRehabilitation
Type
Critical Review
Information
Journal of the International Neuropsychological Society , Volume 26 , Special Issue 1: Rehabilitation , January 2020 , pp. 31 - 46
Copyright
Copyright © INS. Published by Cambridge University Press, 2020. 

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