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Kallioinen P, Olofsson JK, von Mentzer CN. Semantic processing in children with Cochlear Implants: A review of current N400 studies and recommendations for future research. Biol Psychol 2023; 182:108655. [PMID: 37541539 DOI: 10.1016/j.biopsycho.2023.108655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 07/28/2023] [Accepted: 08/01/2023] [Indexed: 08/06/2023]
Abstract
Deaf and hard of hearing children with cochlear implants (CI) often display impaired spoken language skills. While a large number of studies investigated brain responses to sounds in this population, relatively few focused on semantic processing. Here we summarize and discuss findings in four studies of the N400, a cortical response that reflects semantic processing, in children with CI. A study with auditory target stimuli found N400 effects at delayed latencies at 12 months after implantation, but at 18 and 24 months after implantation effects had typical latencies. In studies with visual target stimuli N400 effects were larger than or similar to controls in children with CI, despite lower semantic abilities. We propose that in children with CI, the observed large N400 effect reflects a stronger reliance on top-down predictions, relative to bottom-up language processing. Recent behavioral studies of children and adults with CI suggest that top-down processing is a common compensatory strategy, but with distinct limitations such as being effortful. A majority of the studies have small sample sizes (N < 20), and only responses to image targets were studied repeatedly in similar paradigms. This precludes strong conclusions. We give suggestions for future research and ways to overcome the scarcity of participants, including extending research to children with conventional hearing aids, an understudied group.
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Affiliation(s)
- Petter Kallioinen
- Department of Linguistics, Stockholm University, Stockholm, Sweden; Lund University Cognitive Science, Lund University, Lund, Sweden.
| | - Jonas K Olofsson
- Department of Psychology, Stockholm University, Stockholm, Sweden
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Torppa R, Kuuluvainen S, Lipsanen J. The development of cortical processing of speech differs between children with cochlear implants and normal hearing and changes with parental singing. Front Neurosci 2022; 16:976767. [PMID: 36507354 PMCID: PMC9731313 DOI: 10.3389/fnins.2022.976767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 11/04/2022] [Indexed: 11/21/2022] Open
Abstract
Objective The aim of the present study was to investigate speech processing development in children with normal hearing (NH) and cochlear implants (CI) groups using a multifeature event-related potential (ERP) paradigm. Singing is associated to enhanced attention and speech perception. Therefore, its connection to ERPs was investigated in the CI group. Methods The paradigm included five change types in a pseudoword: two easy- (duration, gap) and three difficult-to-detect (vowel, pitch, intensity) with CIs. The positive mismatch responses (pMMR), mismatch negativity (MMN), P3a and late differentiating negativity (LDN) responses of preschoolers (below 6 years 9 months) and schoolchildren (above 6 years 9 months) with NH or CIs at two time points (T1, T2) were investigated with Linear Mixed Modeling (LMM). For the CI group, the association of singing at home and ERP development was modeled with LMM. Results Overall, responses elicited by the easy- and difficult to detect changes differed between the CI and NH groups. Compared to the NH group, the CI group had smaller MMNs to vowel duration changes and gaps, larger P3a responses to gaps, and larger pMMRs and smaller LDNs to vowel identity changes. Preschoolers had smaller P3a responses and larger LDNs to gaps, and larger pMMRs to vowel identity changes than schoolchildren. In addition, the pMMRs to gaps increased from T1 to T2 in preschoolers. More parental singing in the CI group was associated with increasing pMMR and less parental singing with decreasing P3a amplitudes from T1 to T2. Conclusion The multifeature paradigm is suitable for assessing cortical speech processing development in children. In children with CIs, cortical discrimination is often reflected in pMMR and P3a responses, and in MMN and LDN responses in children with NH. Moreover, the cortical speech discrimination of children with CIs develops late, and over time and age, their speech sound change processing changes as does the processing of children with NH. Importantly, multisensory activities such as parental singing can lead to improvement in the discrimination and attention shifting toward speech changes in children with CIs. These novel results should be taken into account in future research and rehabilitation.
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Affiliation(s)
- Ritva Torppa
- Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland,Cognitive Brain Research Unit, Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland,Centre of Excellence in Music, Mind, Body and Brain, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Soila Kuuluvainen
- Cognitive Brain Research Unit, Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland,Department of Digital Humanities, Faculty of Arts, University of Helsinki, Helsinki, Finland
| | - Jari Lipsanen
- Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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Yang Y, Li Q, Xiao Y, Liu Y, Sun K, Li B, Zheng Q. Auditory Discrimination Elicited by Nonspeech and Speech Stimuli in Children With Congenital Hearing Loss. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2022; 65:3981-3995. [PMID: 36095326 PMCID: PMC9927627 DOI: 10.1044/2022_jslhr-22-00008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/15/2022] [Accepted: 06/27/2022] [Indexed: 06/15/2023]
Abstract
PURPOSE Congenital deafness not only delays auditory development but also hampers the ability to perceive nonspeech and speech signals. This study aimed to use auditory event-related potentials to explore the mismatch negativity (MMN), P3a, negative wave (Nc), and late discriminative negativity (LDN) components in children with and without hearing loss. METHOD Nineteen children with normal hearing (CNH) and 17 children with hearing loss (CHL) participated in this study. Two sets of pure tones (1 kHz vs. 1.1 kHz) and lexical tones (/ba2/ vs. /ba4/) were used to examine the auditory discrimination process. RESULTS MMN could be elicited by the pure tone and the lexical tone in both groups. The MMN latency elicited by nonspeech and speech was later in CHL than in CNH. Additionally, the MMN latency induced by speech occurred later in the left than in the right hemisphere in CNH, and the MMN amplitude elicited by speech in CHL produced a discriminative deficiency compared with that in CNH. Although the P3a latency and amplitude elicited by nonspeech in CHL and CNH were not significantly different, the Nc amplitude elicited by speech performed much lower in CHL than in CNH. Furthermore, the LDN latency elicited by nonspeech was later in CHL than in CNH, and the LDN amplitude induced by speech showed higher dominance in the right hemisphere in both CNH and CHL. CONCLUSION By incorporating nonspeech and speech auditory conditions, we propose using MMN, Nc, and LDN as potential indices to investigate auditory perception, memory, and discrimination.
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Affiliation(s)
- Ying Yang
- Department of Hearing and Speech Rehabilitation, Binzhou Medical University, Yantai, China
| | - Qiong Li
- Department of Hearing and Speech Rehabilitation, Binzhou Medical University, Yantai, China
| | - Yanan Xiao
- Department of Hearing and Speech Rehabilitation, Binzhou Medical University, Yantai, China
| | - Yulu Liu
- Department of Hearing and Speech Rehabilitation, Binzhou Medical University, Yantai, China
| | - Kangning Sun
- Department of Hearing and Speech Rehabilitation, Binzhou Medical University, Yantai, China
| | - Bo Li
- Department of Hearing and Speech Rehabilitation, Binzhou Medical University, Yantai, China
| | - Qingyin Zheng
- Department of Otolaryngology, Case Western Reserve University, Cleveland, OH
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Lovcevic I, Burnham D, Kalashnikova M. Language development in infants with hearing loss: Benefits of infant-directed speech. Infant Behav Dev 2022; 67:101699. [PMID: 35123319 DOI: 10.1016/j.infbeh.2022.101699] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 01/25/2022] [Accepted: 01/27/2022] [Indexed: 11/28/2022]
Abstract
The majority of infants with permanent congenital hearing loss fall significantly behind their normal hearing peers in the development of receptive and expressive oral communication skills. Independent of any prosthetic intervention ("hardware") for infants with hearing loss, the social and linguistic environment ("software") can still be optimal or sub-optimal and so can exert significant positive or negative effects on speech and language acquisition, with far-reaching beneficial or adverse effects, respectively. This review focusses on the nature of the social and linguistic environment of infants with hearing loss, in particular others' speech to infants. The nature of this "infant-directed speech" and its effects on language development has been studied extensively in hearing infants but far less comprehensively in infants with hearing loss. Here, literature on the nature of infant-directed speech and its impact on the speech perception and language acquisition in infants with hearing loss is reviewed. The review brings together evidence on the little-studied effects of infant-directed speech on speech and language development in infants with hearing loss, and provides suggestions, over and above early screening and external treatment, for a natural intervention at the level of the carer-infant microcosm that may well optimize the early linguistic experiences and mitigate later adverse effects for infants born with hearing loss.
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Affiliation(s)
- Irena Lovcevic
- International Research Center for Neurointelligence (IRCN), The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-0033, Japan.
| | - Denis Burnham
- The MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Marina Kalashnikova
- The MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia; BCBL. Basque Center for Cognition, Brain and Language, Paseo Mikeletegi 69, San Sebastian-Donostia, Guipuzcoa 2004, Spain; IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
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Ziatabar Ahmadi Z, Mahmoudian S, Ashayeri H. P-MMR and LDN beside MMN as Speech-evoked Neural Markers in Children with Cochlear Implants: A Review. Dev Neuropsychol 2021; 47:1-16. [PMID: 34927493 DOI: 10.1080/87565641.2021.2004601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
This review mainly explores less-reported neural markers to speech-evoked contrasts in children with cochlear implants (CI). Databases and electronic journals were searched with keywords of "mismatch responses" AND "positive mismatch response" (p-MMR) AND "late discriminate negativity" (LDN). P-MMR likely is as a measurement of brain immaturity in CI children while the developmental trajectories of LDN remain unexplained in older CI children. In CI children, there is a p-MMR-MMN-LDN sequence to speech stimuli developmentally. Whereas these aforementioned neural responses anticipate developmental changes in CI groups, it is still uncertain about the cutoff age for disappearance of p-MMR and LDN.
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Affiliation(s)
- Zohreh Ziatabar Ahmadi
- Department of Speech Therapy, School of Rehabilitation, Babol University of Medical Sciences, Babol, Iran
| | - Saied Mahmoudian
- ENT and Head & Neck Research Center and Department, The Five Senses Health Institute, Iran University of Medical Sciences, Tehran, Iran.,Department of Otolaryngology, Medical University of Hannover (Mhh), Hannover, Germany
| | - Hassan Ashayeri
- Department of Basic Sciences in Rehabilitation, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
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Links of Prosodic Stress Perception and Musical Activities to Language Skills of Children With Cochlear Implants and Normal Hearing. Ear Hear 2021; 41:395-410. [PMID: 31397704 DOI: 10.1097/aud.0000000000000763] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
OBJECTIVES A major issue in the rehabilitation of children with cochlear implants (CIs) is unexplained variance in their language skills, where many of them lag behind children with normal hearing (NH). Here, we assess links between generative language skills and the perception of prosodic stress, and with musical and parental activities in children with CIs and NH. Understanding these links is expected to guide future research and toward supporting language development in children with a CI. DESIGN Twenty-one unilaterally and early-implanted children and 31 children with NH, aged 5 to 13, were classified as musically active or nonactive by a questionnaire recording regularity of musical activities, in particular singing, and reading and other activities shared with parents. Perception of word and sentence stress, performance in word finding, verbal intelligence (Wechsler Intelligence Scale for Children (WISC) vocabulary), and phonological awareness (production of rhymes) were measured in all children. Comparisons between children with a CI and NH were made against a subset of 21 of the children with NH who were matched to children with CIs by age, gender, socioeconomic background, and musical activity. Regression analyses, run separately for children with CIs and NH, assessed how much variance in each language task was shared with each of prosodic perception, the child's own music activity, and activities with parents, including singing and reading. All statistical analyses were conducted both with and without control for age and maternal education. RESULTS Musically active children with CIs performed similarly to NH controls in all language tasks, while those who were not musically active performed more poorly. Only musically nonactive children with CIs made more phonological and semantic errors in word finding than NH controls, and word finding correlated with other language skills. Regression analysis results for word finding and VIQ were similar for children with CIs and NH. These language skills shared considerable variance with the perception of prosodic stress and musical activities. When age and maternal education were controlled for, strong links remained between perception of prosodic stress and VIQ (shared variance: CI, 32%/NH, 16%) and between musical activities and word finding (shared variance: CI, 53%/NH, 20%). Links were always stronger for children with CIs, for whom better phonological awareness was also linked to improved stress perception and more musical activity, and parental activities altogether shared significantly variance with word finding and VIQ. CONCLUSIONS For children with CIs and NH, better perception of prosodic stress and musical activities with singing are associated with improved generative language skills. In addition, for children with CIs, parental singing has a stronger positive association to word finding and VIQ than parental reading. These results cannot address causality, but they suggest that good perception of prosodic stress, musical activities involving singing, and parental singing and reading may all be beneficial for word finding and other generative language skills in implanted children.
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Deficient sensory and cognitive processing in children with cochlear implants: An event-related potential study. Hear Res 2021; 408:108295. [PMID: 34175588 DOI: 10.1016/j.heares.2021.108295] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 06/01/2021] [Accepted: 06/07/2021] [Indexed: 01/16/2023]
Abstract
Compared with children having normal hearing (NH), those with cochlear implants (CIs) perform poorly in spoken language comprehension which involves both low-level acoustic encoding and higher-level cognitive processing. Here, we performed an electroencephalography study to portray this brain dynamics of speech perception in CI children. We presented a Mandarin Chinese monosyllable or four-syllable idiom to CI and NH children, and infrequently varied its lexical tone to form a novel monosyllable or pseudo-idiom in an oddball paradigm. The tone contrast embedded in the monosyllables evoked similar mismatch negativities (MMNs) in CI and NH children at an early stage (~200 ms). However, the amplitude of the MMN evoked by the tone contrast in the idiom context was significantly lower in CI children than in NH children. Furthermore, robust late discriminative negativity (LDN) at a late stage (~500 ms) was found only in NH children, but not in CI children. The MMN and LDN findings indicate deficits of low-level acoustic encoding in a complex context (such as an idiom) and higher-level cognitive processing in CI children, respectively. Both deficient sensory and cognitive processing may contribute to the speech perception difficulties in CI children.
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Binos P, Thodi C, Vogazianos P, Psillas G, Constantinidis J. An acoustic and auditory analysis of vocants in infants with cochlear implants. LOGOP PHONIATR VOCO 2020; 46:28-34. [PMID: 32037936 DOI: 10.1080/14015439.2020.1724325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
INTRODUCTION The duration of the nuclei is a crucial factor for the shift of prelexical to mature speech, since control of duration is closely related with improved speech intelligibility. OBJECTIVES This work records the suprasegmental feature of duration in infants with normal hearing (NH) compared to those with cochlear implants (CI) based on vocant productions (quasivowels and full vowels). MATERINALS AND METHODS In this longitudinal study, 102 vocant productions were analyzed from cases of congenitally hearing-impaired infants (implantation ages 1:4 and 1:11 years; post-implant ages 0:6 months and 1:3 years) who were matched with three NH infants of similar hearing experience (ages 0:8-0:11 months). Current methodology analyzes vocants using a combination of acoustical and auditory analyses. Vegetative data or reflexive sounds were excluded. Participants had had unknown deafness etiology and no other disabilities. Duration was measured using wideband spectrographic analysis, from voice onset to the loss of audible signal and the decrease of higher formant's energy. RESULTS The results showed that the mean vocant duration of young CI users was longer, compared to hearing matched peers during the first six months after cochlear implantation. CONCLUSIONS This recorded weakness for CI users' speech production is a challenge for future work in speech processing strategies. This is the first study measuring production of vocants during the pre-linguistic stage in CI recipients.
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Affiliation(s)
- Paris Binos
- Department of Rehabilitation Sciences, Cyprus University of Technology, Limassol, Cyprus
| | - Chryssoula Thodi
- Department of Health Sciences, European University Cyprus, Nicosia, Cyprus
| | - Paris Vogazianos
- Department of Health Sciences, European University Cyprus, Nicosia, Cyprus
| | - George Psillas
- 1st Academic ENT Department, Aristotle University of Thessaloniki, AHEPA Hospital, Thessaloniki, Greece
| | - Jiannis Constantinidis
- 1st Academic ENT Department, Aristotle University of Thessaloniki, AHEPA Hospital, Thessaloniki, Greece
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De Clerck I, Verhoeven J, Gillis S, Pettinato M, Gillis S. Listeners' perception of lexical stress in the first words of infants with cochlear implants and normally hearing infants. JOURNAL OF COMMUNICATION DISORDERS 2019; 80:52-65. [PMID: 31078023 DOI: 10.1016/j.jcomdis.2019.03.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 02/20/2019] [Accepted: 03/31/2019] [Indexed: 06/09/2023]
Abstract
Normally hearing (NH) infants are able to produce lexical stress in their first words, but congenitally hearing-impaired children with cochlear implants (CI) may find this more challenging, given the limited transmission of spectro-temporal information by the implant. Acoustic research has shown that the acoustic cues to stress in the first words of Dutch-acquiring CI infants are less pronounced (Pettinato, De Clerck, Verhoeven, & Gillis, 2017). The present study investigates how listeners perceive lexical stress in the first words of CI and NH infants. Two research questions are addressed: (1) How successful are CI and NH children in implementing the prosodic cues to prominence? (2) Is the degree of stress in CI and NH words perceived to be similar? The stimuli used in this study are disyllabic words (n = 1089) produced by 9 infants with CI and 9 NH infants acquiring Dutch. The words were presented to adult listeners in a listening experiment, in which they assessed the stress pattern on a continuous visual analogue scale (VAS) which expresses to what extent syllables are perceived as stressed. The results show that listeners perceive typical word stress production in the first words of infants with CI. The words of CI and NH infants were rated in agreement with the target stress pattern as often, and trochaic words were rated more frequently as such than iambic words. Listeners more frequently perceive unstressed syllables in the first words of infants with CI. However, for the words that are perceived to be clearly stressed, the degree of word stress is comparable in the two groups, and both infant groups are perceived to produce more contrast between stressed and unstressed syllables in trochees than in iambs. It is concluded that that acoustic differences between CI and NH infants' stress production are not necessarily perceptually salient.
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Affiliation(s)
- Ilke De Clerck
- Department of Linguistics, CLiPS Computational Linguistics and Psycholinguistics Research Centre, University of Antwerp, Prinstraat 13, Antwerp, Belgium.
| | - Jo Verhoeven
- Department of Linguistics, CLiPS Computational Linguistics and Psycholinguistics Research Centre, University of Antwerp, Prinstraat 13, Antwerp, Belgium; Division of Language and Communication Science, City University London, Northampton Square, London, UK.
| | - San Gillis
- Hasselt University, Department of Physics.
| | - Michèle Pettinato
- Department of Linguistics, CLiPS Computational Linguistics and Psycholinguistics Research Centre, University of Antwerp, Prinstraat 13, Antwerp, Belgium.
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Perception of lexical stress cued by low-frequency pitch and insights into speech perception in noise for cochlear implant users and normal hearing adults. Eur Arch Otorhinolaryngol 2019; 276:2673-2680. [DOI: 10.1007/s00405-019-05502-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Accepted: 06/03/2019] [Indexed: 10/26/2022]
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Gabr TA. Mismatch negativity (MMN): indexing auditory discrimination in cochlear implants. HEARING BALANCE AND COMMUNICATION 2018. [DOI: 10.1080/21695717.2018.1426306] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Takwa A. Gabr
- Audio-vestibular Medicine, Faculty of Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt
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Vavatzanidis NK, Mürbe D, Friederici AD, Hahne A. Establishing a mental lexicon with cochlear implants: an ERP study with young children. Sci Rep 2018; 8:910. [PMID: 29343736 PMCID: PMC5772553 DOI: 10.1038/s41598-017-18852-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Accepted: 12/18/2017] [Indexed: 11/19/2022] Open
Abstract
In the present study we explore the implications of acquiring language when relying mainly or exclusively on input from a cochlear implant (CI), a device providing auditory input to otherwise deaf individuals. We focus on the time course of semantic learning in children within the second year of implant use; a period that equals the auditory age of normal hearing children during which vocabulary emerges and extends dramatically. 32 young bilaterally implanted children saw pictures paired with either matching or non-matching auditory words. Their electroencephalographic responses were recorded after 12, 18 and 24 months of implant use, revealing a large dichotomy: Some children failed to show semantic processing throughout their second year of CI use, which fell in line with their poor language outcomes. The majority of children, though, demonstrated semantic processing in form of the so-called N400 effect already after 12 months of implant use, even when their language experience relied exclusively on the implant. This is slightly earlier than observed for normal hearing children of the same auditory age, suggesting that more mature cognitive faculties at the beginning of language acquisition lead to faster semantic learning.
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Affiliation(s)
- Niki K Vavatzanidis
- Max Planck Institute for Human and Cognitive Brain Sciences, Leipzig, Germany. .,Saxonian Cochlear Implant Center, Technische Universität Dresden, Dresden, Germany.
| | - Dirk Mürbe
- Saxonian Cochlear Implant Center, Technische Universität Dresden, Dresden, Germany
| | - Angela D Friederici
- Max Planck Institute for Human and Cognitive Brain Sciences, Leipzig, Germany
| | - Anja Hahne
- Saxonian Cochlear Implant Center, Technische Universität Dresden, Dresden, Germany
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13
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The MMN as a viable and objective marker of auditory development in CI users. Hear Res 2017; 353:57-75. [DOI: 10.1016/j.heares.2017.07.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 06/16/2017] [Accepted: 07/18/2017] [Indexed: 12/31/2022]
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Fu M, Wang L, Zhang M, Yang Y, Sun X. A mismatch negativity study in Mandarin-speaking children with sensorineural hearing loss. Int J Pediatr Otorhinolaryngol 2016; 91:128-140. [PMID: 27863627 DOI: 10.1016/j.ijporl.2016.10.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 10/16/2016] [Accepted: 10/21/2016] [Indexed: 01/02/2023]
Abstract
OBJECTIVE a) To examine the effects of sensorineural hearing loss on the discriminability of linguistic and non-linguistic stimuli at the cortical level, and b) to examine whether the cortical responses differ based on the chronological age at intervention, the degree of hearing loss, or the acoustic stimulation mode in children with severe and profound hearing loss. METHODS Mismatch negativity (MMN) responses were collected from 43 children with severe and profound bilateral sensorineural hearing loss, and 20 children with normal hearing (age: 3-6 years). In the non-verbal stimulation condition, pure tones with frequencies of 1 kHz and 1.1 kHz were used as the standard and the deviant respectively. In the verbal stimulation condition, the Chinese mandarin tokens/ba2/and/ba4/were used as the standard and the deviant respectively. Latency and amplitude of the MMN responses were collected and analyzed. RESULTS Overall, children with hearing loss showed longer latencies and lower amplitudes of the MMN responses to both non-verbal and verbal stimulations. The latency of the verbal/ba2/-/ba4/pair was longer than that of the nonverbal 1 kHz-1.1 kHz pair in both groups of children. CONCLUSIONS Children with hearing loss, especially those who received intervention after 2 years of age, showed substantial weakness in the neural responses to lexical tones and pure tones. Thus, the chronological age when the children receive hearing intervention may have an impact on the effectiveness of discriminating between verbal and non-verbal signals.
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Affiliation(s)
- Mingfu Fu
- Department of Orthopaedics, Yantaishan Hospital, Yantai, Shandong 264000, China
| | - Liyan Wang
- Department of Auditory Center, China Rehabilitation Research Center for Deaf Children, Beijing 100029, China
| | - Mengchao Zhang
- Department of Communication Science and Disorders, University of Pittsburgh, Pittsburgh, PA 15260, United States
| | - Ying Yang
- Department of Special Education, Binzhou Medical University, Yantai, Shandong 264003, China.
| | - Xibin Sun
- Department of Auditory Center, China Rehabilitation Research Center for Deaf Children, Beijing 100029, China.
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Kallioinen P, Olofsson J, Nakeva von Mentzer C, Lindgren M, Ors M, Sahlén BS, Lyxell B, Engström E, Uhlén I. Semantic Processing in Deaf and Hard-of-Hearing Children: Large N400 Mismatch Effects in Brain Responses, Despite Poor Semantic Ability. Front Psychol 2016; 7:1146. [PMID: 27559320 PMCID: PMC4978721 DOI: 10.3389/fpsyg.2016.01146] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2016] [Accepted: 07/18/2016] [Indexed: 11/21/2022] Open
Abstract
Difficulties in auditory and phonological processing affect semantic processing in speech comprehension for deaf and hard-of-hearing (DHH) children. However, little is known about brain responses related to semantic processing in this group. We investigated event-related potentials (ERPs) in DHH children with cochlear implants (CIs) and/or hearing aids (HAs), and in normally hearing controls (NH). We used a semantic priming task with spoken word primes followed by picture targets. In both DHH children and controls, cortical response differences between matching and mismatching targets revealed a typical N400 effect associated with semantic processing. Children with CI had the largest mismatch response despite poor semantic abilities overall; Children with CI also had the largest ERP differentiation between mismatch types, with small effects in within-category mismatch trials (target from same category as prime) and large effects in between-category mismatch trials (where target is from a different category than prime), compared to matching trials. Children with NH and HA had similar responses to both mismatch types. While the large and differentiated ERP responses in the CI group were unexpected and should be interpreted with caution, the results could reflect less precision in semantic processing among children with CI, or a stronger reliance on predictive processing.
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Affiliation(s)
- Petter Kallioinen
- Department of Linguistics, Stockholm UniversityStockholm, Sweden; Lund University Cognitive Science, Lund UniversityLund, Sweden
| | - Jonas Olofsson
- Department of Psychology, Stockholm University Stockholm, Sweden
| | - Cecilia Nakeva von Mentzer
- Department of Behavioral Sciences and Learning, Swedish Institute for Disability Research, Linkoping University Linkoping, Sweden
| | - Magnus Lindgren
- Linneaus Centre, Cognition, Communication and Learning, Lund UniversityLund, Sweden; Department of Psychology, Lund UniversityLund, Sweden
| | - Marianne Ors
- Division of Clinical Neurophysiology, Department of Clinical Neuroscience, Lund UniversityLund, Sweden; Division of Clinical Neurophysiology, Department of Clinical Neuroscience, Skåne University HospitalLund, Sweden
| | - Birgitta S Sahlén
- Linneaus Centre, Cognition, Communication and Learning, Lund UniversityLund, Sweden; Logopedics, Phoniatrics and Audiology, Department of Clinical Sciences Lund UniversityLund, Sweden
| | - Björn Lyxell
- Department of Behavioral Sciences and Learning, Swedish Institute for Disability Research, Linkoping University Linkoping, Sweden
| | - Elisabet Engström
- Department of Hearing and Balance, Karolinska University Hospital and Karolinska Institutet (CLINTEC) Stockholm, Sweden
| | - Inger Uhlén
- Department of Hearing and Balance, Karolinska University Hospital and Karolinska Institutet (CLINTEC) Stockholm, Sweden
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