Neurodynamic evaluation of hearing aid features using EEG correlates of listening effort |
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Authors: | Corinna Bernarding Daniel J. Strauss Ronny Hannemann Harald Seidler Farah I. Corona-Strauss |
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Affiliation: | 1.Systems Neuroscience and Neurotechnology Unit, Neurocenter,Saarland University, Medical Faculty & Saarland University of Applied Sciences, School of Engineering,Homburg/Saar,Germany;2.Leibniz–Institute for New Materials,Saarbrücken,Germany;3.Sivantos GmbH,Erlangen,Germany;4.MediClin Bosenberg Kliniken,St. Wendel,Germany;5.Key Numerics GmbH,Saarbrücken,Germany |
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Abstract: | In this study, we propose a novel estimate of listening effort using electroencephalographic data. This method is a translation of our past findings, gained from the evoked electroencephalographic activity, to the oscillatory EEG activity. To test this technique, electroencephalographic data from experienced hearing aid users with moderate hearing loss were recorded, wearing hearing aids. The investigated hearing aid settings were: a directional microphone combined with a noise reduction algorithm in a medium and a strong setting, the noise reduction setting turned off, and a setting using omnidirectional microphones without any noise reduction. The results suggest that the electroencephalographic estimate of listening effort seems to be a useful tool to map the exerted effort of the participants. In addition, the results indicate that a directional processing mode can reduce the listening effort in multitalker listening situations. |
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