The aim of the present study was to acoustically analyze speech performance of Cantonese-speaking children with cochlear implants over a three-month period, and compare it with that of the hearing controls. Three categories of sounds in Cantonese were focused: vowels /i/, /ɛ/, /a/, /ɔ/ and /u/ (first and second formant frequencies), fricatives /s/ and /f/ (noise centre of gravity), and affricat...

objective: the present study aimed to investigate the effects of group positive psychotherapy on increasing the happiness of mothers of children with cochlear implants.  methods: this study was a quasi-experimental research with pretest-posttest, a control group, and a 75-day follow-up design. a total of 20 mothers of children with cochlear implants treated in baqiyatallah hospital of tehran ci...

In this chapter, we review conventional uses of acoustic simulations in cochlear implants research and introduce novel applications of acoustic simulations of cochlear implants, both in cochlear implants research and in other domains, such as automatic speech recognition (ASR) research. In this respect, the first part of the chapter is dedicated in reviewing the conventional applications of aco...

Cochlear implants are used to restore hearing in the profoundly deaf [Th.J. Balkany, Otolaryngol. Clin. North. Am. 19 (2) (1986) 215-449] by direct electrical stimulation of the auditory nerve. To study the working mechanism of cochlear implants and to provide a tool to develop better ones, a Boundary Element electrical volume conduction model of the cochlea (the auditory part of the inner ear)...

The article describes the sequence of actions during fitting of the cochlear implants after the bilateral cochlear implantation. For fitting and equalization of the loudness of two implants we use method SHCHUP. We discuss the question of auditory deprivation and the necessary wearing of the hearing aid (HA) at opposite ear till second CI. This article is based on fifteen years’ experience of C...

UNLABELLED Cochlear implants are the best treatment for congenital profound deafness. Pediatric candidates to implantation are seen as vulnerable citizens, and the decision of implanting cochlear devices is ultimately in the hands of their parents/guardians. The Brazilian Penal Code dictates that deaf people may enjoy diminished criminal capacity. Many are the bioethical controversies around co...

| Cochlear implants has been very successful in restoring partial hearing to profoundly deaf people. The success of cochlear implants can be attributed to the combined e orts of scientists from various disciplines including bioengineering, speech science and signal processing. This paper will present an overview of various signal processing techniques that have been used for cochlear prosthesis...