CORSICA: Reproducible suppression of cochlear implant artifacts in EEG evoked by continuous speech.

Researchers describe a way to remove implant-generated interference from EEG while retaining brain responses to speech. This is a measurement advance, not a demonstrated improvement in hearing or neurofeedback outcomes.

Jehn C, Stiller C, Vavatzanidis NK, Reichenbach T.
Journal of neural engineering · Publication date: 2026-09-07
Added to site: 2026-09-09
DOI: 10.1088/1741-2552/aea36e

Online publication September 7, 2026; Europe PMC first indexing September 9, 2026. A linked preprint is not counted separately.

Modalities

EEG

Clinical focus

Auditory processing

Population

EEG recordings in cochlear implant users during continuous speech

Sample

Participant count not reported in the reviewed abstract

Intervention / method

Correlation-based rejection of implant artifacts after independent component analysis

Comparator

Temporal-response-function method and a different source-separation method

Clinician summary

CORSICA used near-zero-lag correlations to identify artifacts, rejecting about 2% of independent components. Artifact suppression exceeded the TRF-based comparator in the reported evaluation.

How to interpret the findings

Abstract-only check. Dataset size, external validation and clinical utility were not established here. The percentage concerns components, not patients.

Equipment and disclosures

Infomax ICA and the CORSICA processing method are described; recording hardware was not verified.

Funding and competing-interest disclosures were not verified from the reviewed abstract.

Related evidence

Compare findings from the same clinical area, including mixed results.