Objective assessment of perceived effort in listening by employing EEG feature
| Autor: | Zeinab Mortezapouraghdam, Daniel J. Strauss, Corinna Bernarding |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Hearing aid
medicine.diagnostic_test Speech recognition medicine.medical_treatment Cognition Electroencephalography Instantaneous phase 03 medical and health sciences 0302 clinical medicine Hearing Aids Event-related potential Feature (computer vision) medicine von Mises distribution Auditory Perception Humans Active listening Attention 030223 otorhinolaryngology Psychology 030217 neurology & neurosurgery |
| Zdroj: | EMBC |
| ISSN: | 2694-0604 |
| Popis: | The adjustment of hearing aid devices can heavily depend on the subjective feedback of the patients. Our aim is to investigate measures that can be used objectively to state a subject's listening effort. To obtain a comprehensive and reliable measure as an indicator for a person's listening effort, we need to have a better understanding of electroencephalograpic (EEG) activities. Decoding EEG signals specifically by the analysis of the instantaneous phase information has been a new trend in the last decades. Throughout many studies conducted in the past, it has been shown that the instantaneous phase of oscillatory signals reset in relation to various cognitive processes. This is based on a hypothesis presented for the generation of event related potentials. In this study, we measure the degree of phase re-organization through fitting a von Mises distribution to EEG recordings. The concentration parameter of a von Mises distribution has been shown as an informative feature for reflecting the level of attention. This feature has been used for predicting the listening effort and the results are compared among three different hearing aid settings. |
| Databáze: | OpenAIRE |
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