The characteristic of event-related potentials and brain topographic maps of cochlear implant users

Author

Lili Yan ; Xu Zhang ; Chunchan Li ; Bin Liu ; Xueqing Chen ; Xinxing Fu

Author_Institution

Sch. of Biomed. Eng., Capital Med. Univ., Beijing, China

fYear

2014

fDate

14-16 Oct. 2014

Firstpage

633

Lastpage

637

Abstract

The study was to compare the characteristics of event-related potentials (ERPs) and brain topographic maps in normal group and cochlear implant (CI) group six months after device `switch on´. Results showed more negative N1 component by standard and target stimuli and lower P2 amplitudes were observed for the CI group. The amplitudes of MMN component were a little smaller than those of normal group. The latency of MMN was about 13ms delayed and the latencies of N1 and P2 by standard and target stimuli were also delayed compared with normal group. The brain topographic maps may help assess the function of central auditory for CI users.

Keywords

auditory evoked potentials; brain; cochlear implants; CI group; ERP; MMN component; P2 amplitudes; brain topographic maps; central auditory; cochlear implant group; event-related potentials; negative N1 component; switch on device; Auditory system; Cochlear implants; Educational institutions; Electroencephalography; Speech; Standards; Switches; Brain topographic; cochlear implant; event-related potential;

fLanguage

English

Publisher

ieee

Conference_Titel

Biomedical Engineering and Informatics (BMEI), 2014 7th International Conference on

Conference_Location

Dalian

Print_ISBN

978-1-4799-5837-5

Type

conf

DOI

10.1109/BMEI.2014.7002851

Filename

7002851