Objectives: Cochlear implants (CIs) restore hearing to the profoundly deaf by direct electrical stimulation of the auditory nerve. To provide an optimal electrical stimulation pattern the CI must be individually fitted to each CI user. To date, CI fitting is primarily based on subjective feedback from the user. However, not all CI users are able to provide such feedback, for example, small children. This study explores the possibility of using the electroencephalogram (EEG) to objectively determine if CI users are able to hear differences in tones presented to them, which has potential applications in CI fitting or closed loop systems. Design: Deviant and standard stimuli were presented to 12 CI users in an active auditory oddball paradigm. The EEG was recorded in two sessions and classification of the EEG data was performed with shrinkage linear discriminant analysis. Also, the impact of CI artifact removal on classification performance and the possibility to reuse a trained classifier in future sessions were evaluated. Results: Overall, classification performance was above chance level for all participants although performance varied considerably between participants. Also, artifacts were successfully removed from the EEG without impairing classification performance. Finally, reuse of the classifier causes only a small loss in classification performance. Conclusions: Our data provide first evidence that EEG can be automatically classified on single-trial basis in CI users. Despite the slightly poorer classification performance over sessions, classifier and CI artifact correction appear stable over successive sessions. Thus, classifier and artifact correction weights can be reused without repeating the set-up procedure in every session, which makes the technique easier applicable. With our present data, we can show successful classification of event-related cortical potential patterns in CI users. In the future, this has the potential to objectify and automate parts of CI fitting procedures.
http://ift.tt/2mrZfiZ
Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com
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- Biologics for asthma and allergy.
- Integration of high-risk human papillomavirus into...
- Positron emission tomography-CT prediction of occu...
- Treatment-related determinants of survival in earl...
- Treatment delays in oral cavity squamous cell carc...
- Correlating the depth of invasion at specific anat...
- Integration of high-risk human papillomavirus into...
- Positron emission tomography-CT prediction of occu...
- Treatment-related determinants of survival in earl...
- Treatment delays in oral cavity squamous cell carc...
- Correlating the depth of invasion at specific anat...
- Laryngoscopy during swimming: A novel diagnostic t...
- Laryngoscopy during swimming: A novel diagnostic t...
- Exendin-4 inhibits structural remodeling and impro...
- Gastric bypass in the pig increases GIP levels and...
- Letter From the Guest Editors
- Ghrelin and Cancer Progression
- Autophagy as a potential target for sarcoma treatment
- Cerebrospinal Fluid Fistula for the Craniofacial S...
- Microsurgical Replantation of Total Avulsed Scalp:...
- Early Surgical Correction of the Nasal Deformity i...
- Editorial Lp(a) – the underestimated cardiovascula...
- Orbital apex syndrome as a complication of herpes ...
- Lattice-like paraproteinemic keratopathy (PPK) of ...
- Rare association of congenital penile urethrocutan...
- Hypercalcaemia caused by active pulmonary tubercul...
- Over 10 years MRI observation of a patient with ne...
- Emergency cricothyroidotomy following tracheobronc...
- Subretinal abscess
- Could kinesiology taping help mitigate pain, breat...
- A comprehensive in vitro biological investigation ...
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- Influence of surface roughness on silicone rubber ...
- Self-esteem as an important factor in quality of l...
- Influence of surface roughness on silicone rubber ...
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- Monoclonal Antibody 4E3-2F7 Antimouse Dermokine-β/α
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- Outcome of Large Noninvasive Follicular Thyroid Ne...
- Channel of viral DNA packaging motor for real time...
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- Summary of mutations underlying autosomal recessiv...
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- Induction chemotherapy with cisplatin and ifosfami...
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- A cohort study of vulvar cancer over a period of 1...
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- Clear Cell Colorectal Carcinoma: time to clarify d...
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