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Article ; Online: Development of sign phonology in Kata Kolok.

Lutzenberger, Hannah / Fikkert, Paula / DE Vos, Connie / Crasborn, Onno

2023 , Page(s) 1–34

Abstract: Much like early speech, early signing is characterised by modifications. Sign language phonology has been analysed on the feature level since the 1980s, yet acquisition studies predominately examine handshape, location, and movement. This study is the ... ...

Abstract	Much like early speech, early signing is characterised by modifications. Sign language phonology has been analysed on the feature level since the 1980s, yet acquisition studies predominately examine handshape, location, and movement. This study is the first to analyse the acquisition of phonology in the sign language of a Balinese village with a vibrant signing community and applies the same feature analysis to adult and child data. We analyse longitudinal data of four deaf children from the Kata Kolok Child Signing Corpus. The form comparison of child productions and adult targets yields three main findings: i) handshape modifications are most frequent, echoing cross-linguistic patterns; ii) modification rates of other features differ from previous studies, possibly due to differences in methodology or KK's phonology; iii) co-occurrence of modifications within a sign suggest feature interdependencies. We argue that nuanced approaches to child signing are necessary to understand the complexity of early signing.
Language	English
Publishing date	2023-03-09
Publishing country	England
Document type	Journal Article
ZDB-ID	1466489-6
ISSN	1469-7602 ; 0305-0009
ISSN (online)	1469-7602
ISSN	0305-0009
DOI	10.1017/S0305000922000745
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: The Language Environment at Home of Children With (a Suspicion of) a Developmental Language Disorder and Relations With Standardized Language Measures.

Blom, Elma / Fikkert, Paula / Scheper, Annette / van Witteloostuijn, Merel / van Alphen, Petra

Journal of speech, language, and hearing research : JSLHR

2023 Volume 66, Issue 8, Page(s) 2821–2830

Abstract: Purpose: This study compares the home language environments of children with (a suspicion of) developmental language disorder (DLD) with that of children with typical development (TD). It does so by adopting new technology that automatically provides ... ...

Abstract	Purpose: This study compares the home language environments of children with (a suspicion of) developmental language disorder (DLD) with that of children with typical development (TD). It does so by adopting new technology that automatically provides metrics about children's language environment (Language ENvironment Analysis [LENA]). In addition, relationships between LENA metrics and standardized language tests are explored in the DLD group. Method: Ninety-nine 2- to 4-year-old toddlers participated: 59 with (a suspicion of) DLD and 40 with TD. LENA metrics on adult word count, conversational turn count, and child vocalization count were obtained. For all children, data on parental education and multilingualism were available. In the DLD group, data were collected on receptive and expressive vocabulary and grammar, and on nonverbal intelligence, using standardized tests. Results: We found lower adult word count, conversational turn count, and child vocalization count in the DLD group, independent of multilingualism but not of parental education. In the DLD group, receptive vocabulary was related to conversational turn count and child vocalization count, but not to adult word count. Expressive vocabulary, receptive grammar, and expressive grammar were not related to LENA metrics. Conclusions: Toddlers with (a suspicion of) DLD vocalize less at home than children with TD. They also hear fewer adult words and experience fewer conversational turns. Children with DLD's language outcomes are to a limited extent related to language environment at home. Conversational turns and child vocalizations are in this respect more important than adult words, in line with findings for TD populations.
MeSH term(s)	Adult ; Humans ; Child, Preschool ; Language Development Disorders/diagnosis ; Language ; Communication ; Vocabulary ; Language Development ; Language Tests
Language	English
Publishing date	2023-07-07
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1364086-0
ISSN	1558-9102 ; 1092-4388
ISSN (online)	1558-9102
ISSN	1092-4388
DOI	10.1044/2023_JSLHR-23-00066
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Article: Infants Segment Words from Songs-An EEG Study.

Snijders, Tineke M / Benders, Titia / Fikkert, Paula

Brain sciences

2020 Volume 10, Issue 1

Abstract: Children's songs are omnipresent and highly attractive stimuli in infants' input. Previous work suggests that infants process linguistic-phonetic information from simplified sung melodies. The present study investigated whether infants learn words from ... ...

Abstract	Children's songs are omnipresent and highly attractive stimuli in infants' input. Previous work suggests that infants process linguistic-phonetic information from simplified sung melodies. The present study investigated whether infants learn words from ecologically valid children's songs. Testing 40 Dutch-learning 10-month-olds in a familiarization-then-test electroencephalography (EEG) paradigm, this study asked whether infants can segment repeated target words embedded in songs during familiarization and subsequently recognize those words in continuous speech in the test phase. To replicate previous speech work and compare segmentation across modalities, infants participated in both song and speech sessions. Results showed a positive event-related potential (ERP) familiarity effect to the final compared to the first target occurrences during both song and speech familiarization. No evidence was found for word recognition in the test phase following either song or speech. Comparisons across the stimuli of the present and a comparable previous study suggested that acoustic prominence and speech rate may have contributed to the polarity of the ERP familiarity effect and its absence in the test phase. Overall, the present study provides evidence that 10-month-old infants can segment words embedded in songs, and it raises questions about the acoustic and other factors that enable or hinder infant word segmentation from songs and speech.
Language	English
Publishing date	2020-01-09
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2651993-8
ISSN	2076-3425
ISSN	2076-3425
DOI	10.3390/brainsci10010039
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Article: Infants' Implicit Rhyme Perception in Child Songs and Its Relationship With Vocabulary.

Hahn, Laura E / Benders, Titia / Fikkert, Paula / Snijders, Tineke M

Frontiers in psychology

2021 Volume 12, Page(s) 680882

Abstract: Rhyme perception is an important predictor for future literacy. Assessing rhyme abilities, however, commonly requires children to make explicit rhyme judgements on single words. Here we explored whether infants already implicitly process rhymes in ... ...

Abstract	Rhyme perception is an important predictor for future literacy. Assessing rhyme abilities, however, commonly requires children to make explicit rhyme judgements on single words. Here we explored whether infants already implicitly process rhymes in natural rhyming contexts (child songs) and whether this response correlates with later vocabulary size. In a passive listening ERP study, 10.5 month-old Dutch infants were exposed to rhyming and non-rhyming child songs. Two types of rhyme effects were analysed: (1) ERPs elicited by the first rhyme occurring in each song (rhyme sensitivity) and (2) ERPs elicited by rhymes repeating after the first rhyme in each song (rhyme repetition). Only for the latter a tentative negativity for rhymes from 0 to 200 ms after the onset of the rhyme word was found. This rhyme repetition effect correlated with productive vocabulary at 18 months-old, but not with any other vocabulary measure (perception at 10.5 or 18 months-old). While awaiting future replication, the study indicates precursors of phonological awareness already during infancy and with ecologically valid linguistic stimuli.
Language	English
Publishing date	2021-09-06
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2563826-9
ISSN	1664-1078
ISSN	1664-1078
DOI	10.3389/fpsyg.2021.680882
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Article: Contrast and Conflict in Dutch Vowels.

de Rue, Nadine P W D / Snijders, Tineke M / Fikkert, Paula

Frontiers in human neuroscience

2021 Volume 15, Page(s) 629648

Abstract: The nature of phonological representations has been extensively studied in phonology and psycholinguistics. While full specification is still the norm in psycholinguistic research, underspecified representations may better account for perceptual ... ...

Abstract	The nature of phonological representations has been extensively studied in phonology and psycholinguistics. While full specification is still the norm in psycholinguistic research, underspecified representations may better account for perceptual asymmetries. In this paper, we report on a mismatch negativity (MMN) study with Dutch listeners who took part in a passive oddball paradigm to investigate when the brain notices the difference between expected and observed vowels. In particular, we tested neural discrimination (indicating perceptual discrimination) of the tense mid vowel pairs /o/-/ø/ (place contrast), /e/-/ø/ (labiality or rounding contrast), and /e/-/o/ (place and labiality contrast). Our results show (a) a perceptual asymmetry for place in the /o/-/ø/ contrast, supporting underspecification of [CORONAL] and replicating earlier results for German, and (b) a perceptual asymmetry for labiality for the /e/-/ø/ contrast, which was not reported in the German study. A labial deviant [ø] (standard /e/) yielded a larger MMN than a deviant [e] (standard /ø/). No asymmetry was found for the two-feature contrast. This study partly replicates a similar MMN study on German vowels, and partly presents new findings indicating cross-linguistic differences. Although the vowel inventory of Dutch and German is to a large extent comparable, their (morpho)phonological systems are different, which is reflected in processing.
Language	English
Publishing date	2021-06-07
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2425477-0
ISSN	1662-5161
ISSN	1662-5161
DOI	10.3389/fnhum.2021.629648
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Article ; Online: Early Productive Vocabulary Composition as Precursor of Dyslexia.

Maassen, Ben A M / Krikhaar, Evelien / van der Leij, Aryan / Fikkert, Paula

Journal of speech, language, and hearing research : JSLHR

2022 Volume 65, Issue 2, Page(s) 760–774

Abstract: Purpose: The aim of this study was to gain more insight into the linguistic characterization of dyslexia by investigating vocabulary acquisition. In a previous study, vocabulary at 17 months of age appeared to be related to familial risk (FR) of ... ...

Abstract	Purpose: The aim of this study was to gain more insight into the linguistic characterization of dyslexia by investigating vocabulary acquisition. In a previous study, vocabulary at 17 months of age appeared to be related to familial risk (FR) of dyslexia. The aim of this study was to investigate how the differences in lexical composition further develop up to 3 years (35 months) of age and, more importantly, to what extent these differences can be considered specific precursors of dyslexia later on. Method: In a total number of 262 children from the Dutch Dyslexia Program, 169 with and 93 without FR for dyslexia, productive vocabulary was assessed with the Dutch version of the MacArthur Communicative Development Inventories at ages 17, 23, 29, and 35 months. Reading tests were administered in Grades 2 and 3, resulting in dyslexia diagnosis in 60 FR children (FR-dys), leaving 109 FR children who developed normal reading skills (FR-nondys) and 93 control children. Children's expressive vocabulary was scored according to the total number of words produced and according to the different major linguistic word categories: nouns, predicates, and closed-class words. The analyses comprised a comparison of total productive vocabulary and the number of words per grammatical category at four different ages for the three groups (FR-dys, FR-nondys, and control). Also, correlations were calculated between vocabulary scores and reading scores. Results: Up to 29 months of age, the total numbers of nouns, predicates, and closed-class words are significantly lower for the FR-dys group as compared with the FR-nondys and control groups; for closed-class words at 23 and 35 months of age, the FR-nondys group's mean values are in between the mean of the FR-dys and control groups. Weak correlations were found between total vocabulary size, number of verbs, number and proportion of predicates at 23 months of age, and word and pseudoword reading fluency in Grades 2 and 3. Conclusions: These results indicate that development of vocabulary is a significant though weak predictor of reading fluency and dyslexia; vocabulary size and proportion of verbs at 23 months of age, as well as proportion of closed-class words up to 35 months of age, seem to be the most sensitive indicators of delayed vocabulary development and later reading difficulties. There is no indication that FR for dyslexia by itself is related to vocabulary development.
MeSH term(s)	Child ; Child, Preschool ; Dyslexia ; Humans ; Infant ; Language Development ; Language Tests ; Reading ; Vocabulary
Language	English
Publishing date	2022-01-27
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1364086-0
ISSN	1558-9102 ; 1092-4388
ISSN (online)	1558-9102
ISSN	1092-4388
DOI	10.1044/2021_JSLHR-20-00599
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Article ; Online: Six-month-old infants recognize phrases in song and speech.

Hahn, Laura E / Benders, Titia / Snijders, Tineke M / Fikkert, Paula

Infancy : the official journal of the International Society on Infant Studies

2020 Volume 25, Issue 5, Page(s) 699–718

Abstract: Infants exploit acoustic boundaries to perceptually organize phrases in speech. This prosodic parsing ability is well-attested and is a cornerstone to the development of speech perception and grammar. However, infants also receive linguistic input in ... ...

Abstract	Infants exploit acoustic boundaries to perceptually organize phrases in speech. This prosodic parsing ability is well-attested and is a cornerstone to the development of speech perception and grammar. However, infants also receive linguistic input in child songs. This study provides evidence that infants parse songs into meaningful phrasal units and replicates previous research for speech. Six-month-old Dutch infants (n = 80) were tested in the song or speech modality in the head-turn preference procedure. First, infants were familiarized to two versions of the same word sequence: One version represented a well-formed unit, and the other contained a phrase boundary halfway through. At test, infants were presented two passages, each containing one version of the familiarized sequence. The results for speech replicated the previously observed preference for the passage containing the well-formed sequence, but only in a more fine-grained analysis. The preference for well-formed phrases was also observed in the song modality, indicating that infants recognize phrase structure in song. There were acoustic differences between stimuli of the current and previous studies, suggesting that infants are flexible in their processing of boundary cues while also providing a possible explanation for differences in effect sizes.
MeSH term(s)	Child Development/physiology ; Choice Behavior/physiology ; Female ; Humans ; Infant ; Infant Behavior/physiology ; Male ; Recognition, Psychology/physiology ; Singing ; Speech Perception/physiology
Language	English
Publishing date	2020-08-13
Publishing country	United States
Document type	Journal Article
ZDB-ID	2020049-3
ISSN	1532-7078 ; 1525-0008
ISSN (online)	1532-7078
ISSN	1525-0008
DOI	10.1111/infa.12357
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Article ; Online: Modeling the Influence of Language Input Statistics on Children's Speech Production.

Roete, Ingeborg / Frank, Stefan L / Fikkert, Paula / Casillas, Marisa

Cognitive science

2020 Volume 44, Issue 12, Page(s) e12924

Abstract: We trained a computational model (the Chunk-Based Learner; CBL) on a longitudinal corpus of child-caregiver interactions in English to test whether one proposed statistical learning mechanism-backward transitional probability-is able to predict children' ... ...

Abstract	We trained a computational model (the Chunk-Based Learner; CBL) on a longitudinal corpus of child-caregiver interactions in English to test whether one proposed statistical learning mechanism-backward transitional probability-is able to predict children's speech productions with stable accuracy throughout the first few years of development. We predicted that the model less accurately reconstructs children's speech productions as they grow older because children gradually begin to generate speech using abstracted forms rather than specific "chunks" from their speech environment. To test this idea, we trained the model on both recently encountered and cumulative speech input from a longitudinal child language corpus. We then assessed whether the model could accurately reconstruct children's speech. Controlling for utterance length and the presence of duplicate chunks, we found no evidence that the CBL becomes less accurate in its ability to reconstruct children's speech with age.
MeSH term(s)	Aging ; Caregivers/psychology ; Child ; Child Language ; Child, Preschool ; Computer Simulation ; Humans ; Infant ; Infant, Newborn ; Language Development ; Longitudinal Studies ; Probability ; Speech
Language	English
Publishing date	2020-12-22
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2002940-8
ISSN	1551-6709 ; 0364-0213
ISSN (online)	1551-6709
ISSN	0364-0213
DOI	10.1111/cogs.12924
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Article: Using Distributional Statistics to Acquire Morphophonological Alternations: Evidence from Production and Perception.

Buckler, Helen / Fikkert, Paula

Frontiers in psychology

2016 Volume 7, Page(s) 540

Abstract: Morphophonological alternations, such as the voicing alternation that arises in a morphological paradigm due to final-devoicing in Dutch, are notoriously difficult for children to acquire. This has previously been attributed to their unpredictability. In ...

Abstract	Morphophonological alternations, such as the voicing alternation that arises in a morphological paradigm due to final-devoicing in Dutch, are notoriously difficult for children to acquire. This has previously been attributed to their unpredictability. In fact, the presence or absence of a voicing alternation is partly predictable if the phonological context of the word is taken into account, and adults have been shown to use this information (Ernestus and Baayen, 2003). This study investigates whether voicing alternations are predictable from the child's input, and whether children can make use of this information. A corpus study of child-directed speech establishes that the likelihood of a stem-final obstruent alternating is somewhat predictable on the basis of the phonological properties of the stem. In Experiment 1 Dutch 3-year-olds' production accuracy in a plural-elicitation task is shown to be sensitive to the distributional statistics. However, distributional properties do not play a role in children's sensitivity to mispronunciations of voicing in a Preferential Looking Task in Experiment 2.
Language	English
Publishing date	2016-05-03
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2563826-9
ISSN	1664-1078
ISSN	1664-1078
DOI	10.3389/fpsyg.2016.00540
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Article: Dutch and German 3-Year-Olds' Representations of Voicing Alternations.

Buckler, Helen / Fikkert, Paula

Language and speech

2016 Volume 59, Issue Pt 2, Page(s) 236–265

Abstract: The voicing contrast is neutralized syllable and word finally in Dutch and German, leading to alternations within the morphological paradigm (e.g., Dutch 'bed(s)', be[t]-be[d]en, German 'dog(s)', Hun[t]-Hun[d]e). Despite structural similarity, language- ... ...

Abstract	The voicing contrast is neutralized syllable and word finally in Dutch and German, leading to alternations within the morphological paradigm (e.g., Dutch 'bed(s)', be[t]-be[d]en, German 'dog(s)', Hun[t]-Hun[d]e). Despite structural similarity, language-specific morphological, phonological and lexical properties impact on the distribution of this alternation in the two languages. Previous acquisition research has focused on one language only, predominantly focusing on children's production accuracy, concluding that alternations are not acquired until late in the acquisition process in either language. This paper adapts a perceptual method to investigate how voicing alternations are represented in the mental lexicon of Dutch and German 3-year-olds. Sensitivity to mispronunciations of voicing word-medially in plural forms was measured using a visual fixation procedure. Dutch children exhibited evidence of overgeneralizing the voicing alternation, whereas German children consistently preferred the correct pronunciation to mispronunciations. Results indicate that the acquisition of voicing alternations is influenced by language-specific factors beyond the alternation itself.
MeSH term(s)	Age Factors ; Child Language ; Child, Preschool ; Female ; Humans ; Male ; Phonetics ; Signal Processing, Computer-Assisted ; Speech Acoustics ; Speech Production Measurement ; Voice Quality
Language	English
Publishing date	2016-06
Publishing country	England
Document type	Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	3312-1
ISSN	1756-6053 ; 0023-8309
ISSN (online)	1756-6053
ISSN	0023-8309
DOI	10.1177/0023830915587038
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