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  The perception of stress pattern in young cochlear implanted children: An EEG study

Vavatzanidis, N., Mürbe, D., Friederici, A. D., & Hahne, A. (2016). The perception of stress pattern in young cochlear implanted children: An EEG study. Frontiers in Neuroscience, 10: 68. doi:10.3389/fnins.2016.00068.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-1164-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1E62-E
Genre: Journal Article

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 Creators:
Vavatzanidis, Niki1, 2, Author              
Mürbe, Dirk2, Author
Friederici, Angela D.1, Author              
Hahne, Anja2, Author
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2Saxonian Cochlear Implant Center, TU Dresden, Germany, ou_persistent22              

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Free keywords: Cochlear implants; Children; Deafness; Stress pattern; Mismatch response; EEG/ERP; Auditory perception; Language acquisition
 Abstract: Children with sensorineural hearing loss may (re)gain hearing with a cochlear implant—a device that transforms sounds into electric pulses and bypasses the dysfunctioning inner ear by stimulating the auditory nerve directly with an electrode array. Many implanted children master the acquisition of spoken language successfully, yet we still have little knowledge of the actual input they receive with the implant and specifically which language sensitive cues they hear. This would be important however, both for understanding the flexibility of the auditory system when presented with stimuli after a (life-) long phase of deprivation and for planning therapeutic intervention. In rhythmic languages the general stress pattern conveys important information about word boundaries. Infant language acquisition relies on such cues and can be severely hampered when this information is missing, as seen for dyslexic children and children with specific language impairment. Here we ask whether children with a cochlear implant perceive differences in stress patterns during their language acquisition phase and if they do, whether it is present directly following implant stimulation or if and how much time is needed for the auditory system to adapt to the new sensory modality. We performed a longitudinal ERP study, testing in bimonthly intervals the stress pattern perception of 17 young hearing impaired children (age range: 9–50 months; mean: 22 months) during their first 6 months of implant use. An additional session before the implantation served as control baseline. During a session they passively listened to an oddball paradigm featuring the disyllable “baba,” which was stressed either on the first or second syllable (trochaic vs. iambic stress pattern). A group of age-matched normal hearing children participated as controls. Our results show, that within the first 6 months of implant use the implanted children develop a negative mismatch response for iambic but not for trochaic deviants, thus showing the same result as the normal hearing controls. Even congenitally deaf children show the same developing pattern. We therefore conclude (a) that young implanted children have early access to stress pattern information and (b) that they develop ERP responses similar to those of normal hearing children.

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Language(s): eng - English
 Dates: 2015-12-082016-02-152016-03-08
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.3389/fnins.2016.00068
PMID: 27013937
PMC: PMC4781856
Other: eCollection 2016
 Degree: -

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Title: Frontiers in Neuroscience
  Other : Front Neurosci
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Frontiers Research Foundation
Pages: - Volume / Issue: 10 Sequence Number: 68 Start / End Page: - Identifier: ISSN: 1662-4548
ISSN: 1662-453X
CoNE: /journals/resource/1662-4548