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While there is evidence suggesting the efficacy of neurofeedback devices, the research is still inconclusive. The applicability of the measurements and parameters of consumer neurofeedback wearable devices has improved, but the literature on measurement techniques lacks rigorously controlled trials. This paper presents a survey and literary review of consumer neurofeedback devices and the direction toward clinical applications and diagnoses. Relevant devices are highlighted and compared for treatment parameters, structural composition, available software, and clinical appeal. Finally, a conclusion on future applications of these systems is discussed through the comparison of their advantages and drawbacks.<\/jats:p>","DOI":"10.3390\/s23208482","type":"journal-article","created":{"date-parts":[[2023,10,16]],"date-time":"2023-10-16T01:31:22Z","timestamp":1697419882000},"page":"8482","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":33,"title":["Consumer-Grade Electroencephalogram and Functional Near-Infrared Spectroscopy Neurofeedback Technologies for Mental Health and Wellbeing"],"prefix":"10.3390","volume":"23","author":[{"given":"Kira","family":"Flanagan","sequence":"first","affiliation":[{"name":"Electrical Engineering, University of North Florida, Jacksonville, FL 32224, USA"},{"name":"Biomedical Sensors and Systems Laboratory, University of North Florida, Jacksonville, FL 32224, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6656-4333","authenticated-orcid":false,"given":"Manob Jyoti","family":"Saikia","sequence":"additional","affiliation":[{"name":"Electrical Engineering, University of North Florida, Jacksonville, FL 32224, USA"},{"name":"Biomedical Sensors and Systems Laboratory, University of North Florida, Jacksonville, FL 32224, USA"}]}],"member":"1968","published-online":{"date-parts":[[2023,10,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"476","DOI":"10.1111\/j.1469-8986.1970.tb01756.x","article-title":"The Control of Electroencephalographic Alpha Rhythms through Auditory Feedback and The Associated Mental Activity","volume":"6","author":"Nowlis","year":"1970","journal-title":"Psychophysiology"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"e35636","DOI":"10.2196\/35636","article-title":"Preliminary Real-World Evidence Supporting the Efficacy of a Remote Neurofeedback System in Improving Mental Health: Retrospective Single-Group Pretest-Posttest Study","volume":"6","author":"Whitehead","year":"2022","journal-title":"JMIR Form. 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