Hearables: Multimodal physiological in-ear sensing

Frontiers Hearables: New Perspectives and Pitfalls of In-Ear Devices for Physiological Monitoring. A Scoping Review

PDF) Hearables: Feasibility of recording cardiac rhythms from head and in- ear locations

Hearables: In-Ear Multimodal Brain Computer Interfacing

PDF) Hearables: Multimodal physiological in-ear sensing

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Auditory closed‐loop stimulation on sleep slow oscillations using in‐ear EEG sensors - Henao - 2022 - Journal of Sleep Research - Wiley Online Library

Full article: Hearables, in-ear sensing devices for bio-signal acquisition: a narrative review

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Stress Monitoring using Multimodal Bio-sensing Headset Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems

Ear-EEG - Wikipedia