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Så kan det låta: Tonhöjdstest, melodiigenkänning och intervjuer av barn med bilaterala cochleaimplantat
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Logopedi.
2016 (Swedish)Independent thesis Advanced level (degree of Master (Two Years)), 30 credits / 45 HE creditsStudent thesis
Abstract [sv]

Children with cochlear implants (CI) have difficulty perceiving pitch differences, which contributes to poor melodic perception. Aims/Methods. This study investigated how children with bilateral CIs (n = 23, M = 6,9 years) and children with normal hearing (NH) (n = 27, M = 7,2 years) were able to discriminate pitch intervals with a semitone as the smallest difference, and recognize melodies presented without lyrics in two conditions: as a melody and as a melody combined with pictures. An interview related to music was also conducted. Results. Children with bilateral CIs achieved very high scores on the pitch discrimination task. Children with NH surpassed the children with bilateral CIs at identifying songs without pictures (children with CIs 11%, NH 52%) and together with pictures (CIs 30%, NH 83%).  Measurement of effect size showed moderate to strong differences between children with CIs/NH. The interview findings showed positive attitudes towards music, with 77% of the children with CIs (versus 100% of children with NH) saying they enjoyed listening to music, had favourite artists and favourite songs. Conclusion. Children with CIs demonstrated a very good ability to discriminate pitch differences, but scored low on melody recognition tasks. The results confirm that melody recognition is demanding for children with CIs. In spite of the difficulty CIs have transmitting musical information, these children with CIs as a group have developed positive attitudes towards music. This finding suggests the potential capacity of CIs in relationship to music, but even more the potential capacity of growing children’s brains.    

Barn med cochleaimplantat (CI) har svårighet att uppfatta skillnader i tonhöjd, vilket påverkar förmågan att identifiera melodier. Syfte/metod. Syftet var att studera hur barn med bilaterala CI (n = 23, M = 6,9 år) kunde diskriminera mellan tonhöjdsintervall med en semiton som minsta enhet och identifiera fem barnsångsmelodier jämfört med barn med normal hörsel (NH), (n = 27, M = 7,2 år). Melodierna presenterades i två betingelser: utan stöd av bilder (UB) samt med stöd av bilder (MB). Dessutom genomfördes en intervju om musik. Resultat. Förmågan att diskriminera tonhöjdsskillnader var mycket god. Melodier (UB): barn med CI klarade 11 %, barn med NH 52 %. Melodier (MB): barn med CI klarade 30 %, barn med NH 83 %. Analys av effektstyrka mätt i Cohens d visade moderata till stora skillnader mellan barn med CI/NH. Deskriptiv analys av intervjuerna visade positiva attityder till musik och att 77 % av barn med CI (100 % av barn med NH) tyckte om att lyssna på musik, och att flera barn hade favoritartister och favoritlåtar. Slutsats. Barn med CI hade mycket god förmåga att uppfatta tonhöjdsskillnader, men hade svårt att identifiera melodier. Resultatet bekräftar att melodiigenkänning är krävande för barn med CI. Trots de begränsningar som CI har beträffande musikåtergivning har barnen som grupp positiva attityder till musik. Det torde säga en del om den potential CI har i relation till musik, men ännu mer om den stora kapacitet som uppväxande barns hjärnor har.  

Place, publisher, year, edition, pages
2016. , 40 p.
Masterarbete i logopedi, 02
Keyword [en]
Cochlear implants, children, music, pitch differences, melody recognition, interviews
Keyword [sv]
Cochleaimplantat, barn, musik, tonhöjdsskillnader, melodiidentifiering, intervjuer
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-304704OAI: diva2:1033618
Subject / course
Speech and Language Pathology
Educational program
Degree of Master of Science in Speech and Language Pathology
Available from: 2016-10-10 Created: 2016-10-07 Last updated: 2016-10-10Bibliographically approved

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