The purpose of this thesis is to provide a review and discussion of the current literature on auditory processing, speech discrimination, word recognition, and early lexical representations in children with normal hearing and those with hearing impairment in addition to identifying areas in which current research is lacking. This information is needed to consider potential interactions between various factors affecting the development of spoken word recognition. This will also provide a starting point for identifying further research needs. Since children with hearing loss do not receive the same amount of exposure to speech and language as typically developing children, it can be expected that the development of speech and word recognition in this population may progress differently. If we can identify differences in auditory processing and phonological development in children with hearing impairment, we can modify speech and language therapy to focus on more specific and effective targets. The subsequent chapters will provide a critical review of the current literature on the aforementioned topics. In Chapters 2 and 3, studies assessing differences in processing, attention to sound, intersensory perception, and sound discrimination abilities in children with normal hearing and hearing impairment will be discussed. Chapters 4 and 5 focus on word recognition skills, and early lexical representations. Chapter 6 will synthesize results of available studies and suggest areas in which more research is needed. Together, these chapters will help us gain a better understanding of the complex interactions between auditory processing, executive functioning, phonological development and later word recognition outcomes. By identifying which avenues have the greatest effect on outcomes in cochlear implant users, we can modify speech and language therapy in order to address the unique needs of this special population. / text

The young learner’s lexicon is a predictor for its future success in school, and the organization of the lexicon needs to be well developed in order to give the learner efficient access to the words’ use and meaning. The purpose of the study is to investigate the word association pattern among 31 students in the second and the fifth grade in a multicultural Swedish school, and to try to explain these patterns in relation to variables such as age, gender, time spent in Sweden, linguistic background and the teachers’ assessment of the students’ abilities. The word association patterns were examined using a shortened version of the Kent and Rosanoff word association test. The results showed clear resemblances of word association patterns on a group level when compared to age, linguistic background and teachers’ assessment. However, there were big differences on an individual level. / <p>Svenska som andraspråk</p>

As Vygotsky (1986) concludes in his seminal work Thought and Language, “A word relates to consciousness as a living cell relates to a whole organism, as an atom relates to the universe. A word is a microcosm of human consciousness” (p. 246). Even without an in-depth understanding of science and only the most popular appreciation of the police procedural be it Sherlock Holmes or CSI, it is easy to see how a single cell can relate to the whole organism. But how can a word be a microcosm of human consciousness? The purpose of this study was to explore exactly that: premise, whether words reflect the lived experience of not only a person, but of a group of people, by documenting the lived experience of children in the phenomena of foreign language immersion in school (FLIIS). Using corpus linguistic techniques to analyze the nature of these children’s lexical development as well as the relationship of the perceptions of their fluency on their second language (L2) production, this study found that in order to understand the essence of what it means for a child to express him/herself fluently in his/her L2, one must understand how language functions as a transparent medium for these children and shift one’s thinking from an additive idea of language (L1, L2, L3) to the idea of interlingual consciousness.

The study examined the reliability of parents' reports of their child's verbal skills. Parents to 17 children participated and completed the toddler version of the MacArthur-Bates Communicative Development Inventory (CDI). It was found that the correlation between the reports made by the mothers and fathers was very strong. All in all the parents had a very similar understanding of their child's verbal skills. / Denna studie undersökte hur väl föräldrars rapport av deras barns språkförmåga stämmer överens. Föräldrarna till 17 barn deltog och fyllde i toddler-versionen av the MacArthur-Bates Communicative Development Inventory (CDI). Korrelationen mellan mammornas och pappornas rapportering var mycket stark. Överlag så hade föräldrarna en mycket liknande uppfattning av deras barns språkförmåga.

Esta dissertação utiliza simulações computacionais visando investigar a influência de alguns fatores lingüísticos na organização lexical de verbos, analisando os processos de aquisição e uso. Os fatores testados são: freqüência de observação na linguagem, polissemia e complexidade sintática. Os dados utilizados foram obtidos por meio de tarefas psicolingüísticas de nomeação de ações, realizadas por crianças e adultos (falantes do Português brasileiro), posteriormente representados como grafos. Com base nos fatores lingüísticos, foram formuladas hipóteses relativas ao desenvolvimento da língua, testadas por meio de simulações computacionais denominadas ‘involuções’. Os testes incluem métricas da teoria dos grafos e medidas de similaridade de conjuntos (coeficiente de Jaccard e suas componentes). Os resultados obtidos apontam para uma confirmação das hipóteses formuladas. Adicionalmente, permitiram verificar algumas características do desenvolvimento lingüístico, como o aumento do vocabulário e uma progressiva especialização. / This dissertation uses computational simulations designed to investigate the influence of three linguistic factors in the lexical organization of verbs, analyzing the process of acquisition and use. The tested factors are: frequency of observation in the language, polysemy and syntactic complexity. The data used were obtained from psycholinguistic action naming tasks performed by children and adults (speakers of Brazilian Portuguese), and subsequently represented as graphs. Based on linguistic factors, hypotheses were formulated concerning the development of language, tested through simulations called ‘involutions’. Tests include graph theory metrics and set similarity measures (Jaccard’s coefficient and its components). Results suggest a confirmation of the given hypotheses. Additionally, allowed verification of some language development features, such as vocabulary growth and a progressive specialization.

Esta dissertação utiliza simulações computacionais visando investigar a influência de alguns fatores lingüísticos na organização lexical de verbos, analisando os processos de aquisição e uso. Os fatores testados são: freqüência de observação na linguagem, polissemia e complexidade sintática. Os dados utilizados foram obtidos por meio de tarefas psicolingüísticas de nomeação de ações, realizadas por crianças e adultos (falantes do Português brasileiro), posteriormente representados como grafos. Com base nos fatores lingüísticos, foram formuladas hipóteses relativas ao desenvolvimento da língua, testadas por meio de simulações computacionais denominadas ‘involuções’. Os testes incluem métricas da teoria dos grafos e medidas de similaridade de conjuntos (coeficiente de Jaccard e suas componentes). Os resultados obtidos apontam para uma confirmação das hipóteses formuladas. Adicionalmente, permitiram verificar algumas características do desenvolvimento lingüístico, como o aumento do vocabulário e uma progressiva especialização. / This dissertation uses computational simulations designed to investigate the influence of three linguistic factors in the lexical organization of verbs, analyzing the process of acquisition and use. The tested factors are: frequency of observation in the language, polysemy and syntactic complexity. The data used were obtained from psycholinguistic action naming tasks performed by children and adults (speakers of Brazilian Portuguese), and subsequently represented as graphs. Based on linguistic factors, hypotheses were formulated concerning the development of language, tested through simulations called ‘involutions’. Tests include graph theory metrics and set similarity measures (Jaccard’s coefficient and its components). Results suggest a confirmation of the given hypotheses. Additionally, allowed verification of some language development features, such as vocabulary growth and a progressive specialization.

Esta dissertação utiliza simulações computacionais visando investigar a influência de alguns fatores lingüísticos na organização lexical de verbos, analisando os processos de aquisição e uso. Os fatores testados são: freqüência de observação na linguagem, polissemia e complexidade sintática. Os dados utilizados foram obtidos por meio de tarefas psicolingüísticas de nomeação de ações, realizadas por crianças e adultos (falantes do Português brasileiro), posteriormente representados como grafos. Com base nos fatores lingüísticos, foram formuladas hipóteses relativas ao desenvolvimento da língua, testadas por meio de simulações computacionais denominadas ‘involuções’. Os testes incluem métricas da teoria dos grafos e medidas de similaridade de conjuntos (coeficiente de Jaccard e suas componentes). Os resultados obtidos apontam para uma confirmação das hipóteses formuladas. Adicionalmente, permitiram verificar algumas características do desenvolvimento lingüístico, como o aumento do vocabulário e uma progressiva especialização. / This dissertation uses computational simulations designed to investigate the influence of three linguistic factors in the lexical organization of verbs, analyzing the process of acquisition and use. The tested factors are: frequency of observation in the language, polysemy and syntactic complexity. The data used were obtained from psycholinguistic action naming tasks performed by children and adults (speakers of Brazilian Portuguese), and subsequently represented as graphs. Based on linguistic factors, hypotheses were formulated concerning the development of language, tested through simulations called ‘involutions’. Tests include graph theory metrics and set similarity measures (Jaccard’s coefficient and its components). Results suggest a confirmation of the given hypotheses. Additionally, allowed verification of some language development features, such as vocabulary growth and a progressive specialization.

The present project is a first step towards a new Swedish assessment tool to examine phonological ability in preschool-aged children. The work consisted of developing a word list with words that was considered to reveal a child’s phonological ability and to try out the word list on pre-school children. The reason was to make sure that the words existed in the vocabulary of the children in the chosen ages. A word list consisting of 109 words, which convey relevant phonological information, was created. Every phoneme in the Swedish language is represented at least twice in initial, medial and final word position. The majority of the consonant clusters, which are allowed in the Swedish language, are included. Also words consisting of three or more syllables, words consisting of an initial unstressed syllable and both of the tonal word accents used in the Swedish language, are included in the wordlist. The 85 children who participated in the present study was 3;0-5;11 years old and their task was to name the pictures of the material. The children were divided into six half-yearly intervals. The result showed that the children’s ability to name the pictures was improved with increased age. The children in the youngest interval (3;0-3;5) named a mean of 92 pictures correctly, while children in the oldest interval (5;6-5;11) named a mean of 107 picture. The authors decided that words which were produced by at least 80% of the children in an interval were judged to be appropriate for the current age. Consequently, 79 of the 109 words were judged to be appropriate for children in interval 1. Among these 79 words, there are words which represent the majority of the phonological aspects that a phonological assessment tool should comprise. / Föreliggande uppsatsarbete utgör ett första steg i utformandet av ett nytt svenskt bedömningsmaterial för fonologisk förmåga hos barn i förskoleåldern. Arbetet bestod av att välja ut ord som kan anses ringa in ett barns fonologiska förmåga samt att testa dessa på barn i förskoleåldern, för att säkerställa att orden finns i det aktiva ordförrådet hos barn i aktuella åldrar. En ordlista bestående av 109 ord, som bär på relevant fonologisk information, skapades. Samtliga svenska fonem finns representerade minst två gånger i initial, medial och final ordposition. Dessutom ingår majoriteten av konsonantförbindelser, som är tillåtna enligt svensk fonotax, i de utvalda orden. Även ord med tre eller fler stavelser, ord innehållande pretonisk stavelse samt svenska språkets båda tonaccenter är representerade. Orden illustrerades med bilder från Boardmaker. De 85 barnen som deltog i studien var 3;0-5;11år och fick benämna samtliga bilder i materialet. Barnen delades in i sex halvårsintervall. Resultaten visade att barnens förmåga att benämna bilderna förbättrades med stigande ålder. Medelvärdet för antalet korrekt benämnda bilder för barnen i det yngsta åldersintervallet (3;0-3;5 år) var 92, medan motsvarade siffra för de äldsta barnen (5;6-5;11år) var 107. Författarna beslutade att ord som minst 80% av barnen i ett åldersintervall producerade, kunde anses som användbara i ett test för barn i den aktuella åldern. Därmed ansågs 79 av de 109 orden som användbara från och med åldersintervall 1. Bland de 79 orden finns ord som representerar majoriteten av de fonologiska aspekter som ett fonologiskt bedömningsmaterial bör förmedla.

Submitted by Glauber Assunção Moreira (glauber.a.moreira@gmail.com) on 2018-09-12T19:01:23Z No. of bitstreams: 1 O DESENVOLVIMENTO LEXICAL INICIAL DOS 8 AOS 16 MESES DE IDADE A PARTIR DO INVENTÁRIO MACARTHUR DE DESENVOLVIMENTO COMUNICATIVO – PROTOCOLO PALAVRAS E GESTOS.pdf: 1929876 bytes, checksum: 697c5acd6e5a80c23aee19c6d81b29bf (MD5) / Approved for entry into archive by Marly Santos (marly@ufba.br) on 2018-09-13T17:10:34Z (GMT) No. of bitstreams: 1 O DESENVOLVIMENTO LEXICAL INICIAL DOS 8 AOS 16 MESES DE IDADE A PARTIR DO INVENTÁRIO MACARTHUR DE DESENVOLVIMENTO COMUNICATIVO – PROTOCOLO PALAVRAS E GESTOS.pdf: 1929876 bytes, checksum: 697c5acd6e5a80c23aee19c6d81b29bf (MD5) / Made available in DSpace on 2018-09-13T17:10:34Z (GMT). No. of bitstreams: 1 O DESENVOLVIMENTO LEXICAL INICIAL DOS 8 AOS 16 MESES DE IDADE A PARTIR DO INVENTÁRIO MACARTHUR DE DESENVOLVIMENTO COMUNICATIVO – PROTOCOLO PALAVRAS E GESTOS.pdf: 1929876 bytes, checksum: 697c5acd6e5a80c23aee19c6d81b29bf (MD5) / O desenvolvimento lexical inicial de crianças entre 8 e 16 meses de idade adquirindo o português brasileiro é um assunto pouco explorado pela literatura. Adotando como instrumento de coleta o protocolo “Palavras e Gestos” dos Inventários MacArthur de Desenvolvimento Comunicativo – elaborado em língua inglesa e já adaptado e normatizado para diversos idiomas – que se refere à medição da compreensão e da produção lexical e ao uso de gestos comunicativos de crianças desta faixa etária, e adotando também a sua metodologia, baseada no relato parental, o presente trabalho tem como objetivos: fornecer informações a respeito dos padrões de compreensão e de produção lexical, a partir das informações que podem ser obtidas com o protocolo, no intuito de fornecer uma visão do desenvolvimento lexical dos 8 aos 16 meses de idade; adaptar o protocolo para o português brasileiro a fim de torná-lo eficaz e válido também para o português; e investigar a eficácia do Inventário enquanto instrumento de pesquisa elaborado para este fim. Para a composição do corpus, 27 pais, pertencentes à classe sócio-escolar A ou B, de crianças nesta faixa etária, foram entrevistados. Os dados obtidos permitiram chegar às seguintes conclusões: existe uma asssimetria entre a quantidade de itens lexicais comprendidos e a quantidade de itens produzidos; no nível da compreensão, o grupo dos “Nomes Comuns” predomina em todas as faixas etárias, seguido do grupo dos “Predicados”; na produção, as categorias “Sons de Coisas e de Aninais”, “Pessoas”, “Objetos e Lugares fora da casa” e “Jogos e Rotinas” dominam até o primeiro ano de vida, sendo que, a partir daí, outras categorias semânticas como “Comidas e Bebidas”, “Palavras de Ação”, “Partes do Corpo”, “Animais” e “Utensílios da Casa” começam a aparecer em maior número. Algumas informações importantes e necessárias para uma análise desta fase inicial como contextos e freqüência de uso e forma fonética não são fornecidas devido a limitações do próprio intrumento. Em linhas gerais, as informações oriundas desta coleta corroboram estudos já realizados, em outras línguas, a respeito dessa fase inicial de aquisição, embora os dados obtidos com o protocolo sejam considerados elevados em comparação com os dados de outros estudos longitudinais e de diário. / The early lexical development of children between 8 to 16 months acquiring the brazilian portuguese is a poorly explored topic in the avaiable literature. Adopting as a data-gathering model the “Words and Gestures” protocol of the MacArthur Communicative Development Inventories – developed for the English language but alredy widely adapted and normalized for use with various languages – wich aims to measure the comprehension, lexical production and the use of communicative gestures by children in this age range, and adopting as well the metodology, based in parental report, this dissertation hopes to achieve the following objectives: to provide further data regarding the patterns of comprehension and production in the lexical development, within the limits of the protocol, with the goal of developing a vision of the lexical development of children fron 8 to 16 months; to adapt the protocol validly and effectively for use with brazilian portuguese; and to investigate the effectiveness of the Inventory as an instrument to achieve these goals. The body of data was composed by interviews with 27 parents of children in this age range, either from socio-educational class A or B. the data obtained suggest the following conclusions: that the comprehension of lexical items occurs asymmetrically with regards to production; that at the level of comprehension, the group “Common Nouns” predominates at all ages, followed by the group of “Predicatives”; that in production the categories “Sounds of Things and Animals”, “People”, “Object and Places outside ”, and “Games and Routines” predominate up to one year of age, but after that other semantic categories such as “Foods and Drinks”, “Action Words”, “Parts of the Body”, “Animals”, and “Household Items” begin to appear with greater frequency. Some important and necessary information for an in depth analysis at this initial state, such as the contexts and frequencies of use and the phonetic forms utilized are not supplied due to the limitations of the model for data collection employed. Generally, the data from this study corroborate previous research performed in other languages regarding this initial satge of language acquisition, although the data obtained with the protocol may be considered high in comparison with data provided by other studies.

Des études précédentes démontrent qu’avoir accès à la structure syntaxique des phrases aide les enfants à découvrir le sens des mots nouveaux. Cela implique que les enfants doivent avoir accès à certains aspects de la structure syntaxique avant même de connaître beaucoup de mots. Étant donné que dans toutes les langues du monde la structure prosodique d’une phrase corrèle avec sa structure syntaxique, et que par ailleurs les mots et morphèmes grammaticaux sont utiles pour déterminer la catégorie syntaxique des mots, il se pourrait que les enfants utilisent la prosodie et les mots grammaticaux pour initialiser leur acquisition lexicale et syntaxique. Dans cette thèse, j’ai étudié le rôle de la prosodie phrasale et des mots grammaticaux pour guider l’analyse syntaxique chez les enfants (PARTIE 1) et la possibilité que les jeunes enfants exploitent cette information pour apprendre le sens des mots nouveaux (PARTIE 2). Dans la partie 1, j’ai construit des paires minimales de phrases en français et en anglais afin de tester si les enfants exploitent la relation entre les structures prosodique et syntaxique pour guider leur interprétation des homophones noms-verbes. J’ai démontré que les enfants d’âge préscolaire utilisent la prosodie phrasale en temps réel pour guider leur analyse syntaxique. En écoutant des phrases telles que [La petite ferme][.., les enfants interprètent ferme comme un nom, mais pour les phrases telles que [La petite][ferme...], ils interprètent ferme comme un verbe (Chapitre 3). Cette capacité a également été observée chez les enfants américains: en écoutant des phrases telles que « The baby flies… », ils utilisent la prosodie des phrases pour décider si flies est un nom ou un verbe (Chapitre 4). Par la suite, j’ai démontré que même les enfants d’environ 20 mois utilisent la prosodie des phrases pour récupérer leur structure syntaxique et pour en déduire la catégorie syntaxique des mots (Chapitre 5), une capacité qui serait extrêmement utile pour découvrir le sens des mots inconnus. C’est cette hypothèse que j’ai testé dans la partie 2, à savoir si l’information syntaxique obtenue à partir de la prosodie phrasale et des mots grammaticaux permet aux enfants d’apprendre le sens des mots. Une première série d’études s’appuie sur des phrases disloquées à droite contenant un verbe nouveau en français : [ili dase], [le bébéi] qui est minimalement différente de la phrase transitive [il dase le bébé]. Mes résultats montrent que les enfants de 28 mois exploitent les informations prosodiques de ces phrases pour contraindre leur interprétation du sens du nouveau verbe (Chapitre 6). Dans une deuxième série d’études, j’ai étudié si la prosodie et les mots grammaticaux guident l’acquisition de noms et de verbes. J’ai utilisé des phrases comme « Regarde la petite bamoule » qui peuvent être produites soit comme [Regarde la petite bamoule!], où «bamoule» est un nom, ou [Regarde], [la petite] [bamoule!], où bamoule est un verbe. Les enfants de 18 mois ont correctement analysé ces phrases et ont attribué une interprétation de nom ou de verbe au mot bamoule selon sa position dans la structure prosodique-syntaxique des phrases (Chapitre 7). Ensemble, ces études montrent que les jeunes enfants exploitent les mots grammaticaux et la structure prosodique des phrases pour inférer la structure syntaxique et contraindre ainsi l’interprétation possible du sens des mots. Ce mécanisme peut permettre aux enfants de construire une représentation initiale de la structure syntaxique des phrases, avant même de connaître la signification des mots. Bien que les informations prosodiques et les mots grammaticaux puissent prendre des formes différentes selon les langues, nos études suggèrent que cette information pourrait représenter un outil universel et qui permettrait aux enfants d’accéder à certaines informations syntaxiques des phrasesqu’ils entendent, et d’initialiser l’acquisition du langage. / Previous research demonstrates that having access to the syntactic structure of sentences helps children to discover the meaning of novel words. This implies that infants need to get access to aspects of syntactic structure before they know many words. Since in all the world’s languages the prosodic structure of a sentence correlates with its syntactic structure, and since function words/morphemes are useful to determine the syntactic category of words, infants might use phrasal prosody and function words to bootstrap their way into lexical and syntactic acquisition. In this thesis, I empirically investigated the role of phrasal prosody and function words to constrain syntactic analysis in young children (PART 1) and whether infants exploit this information to learn the meanings of novel words (PART 2). In part 1, I constructed minimal pairs of sentences in French and in English, testing whether children exploit the relationship between syntactic and prosodic structures to drive their interpretation of noun-verb homophones. I demonstrated that preschoolers use phrasal prosody online to constrain their syntactic analysis. When listening to French sentences such as [La petite ferme][…–[The little farm][…, children interpreted ferme as a noun, but in sentences such as [La petite][ferme…] – [The little girl][closes…, they interpreted ferme as a verb (Chapter 3). This ability was also attested in English-learning preschoolers who listened to sentences such as ‘The baby flies…’: they used prosodic information to decide whether “flies” was a noun or a verb (Chapter 4). Importantly, in further studies I demonstrated that even infants around 20-months use phrasal prosody to recover syntactic structures and to predict the syntactic category of upcoming words (Chapter 5), an ability which would be extremely useful to discover the meaning of unknown words. This is what I tested in part 2: whether the syntactic information obtained from phrasal prosody and function words could allow infants to constrain their acquisition of word meanings. A first series of studies relied on right-dislocated sentences containing a novel verb in French: [ili dase], [le bébéi] - ‘hei is dasing, the babyi’ (meaning ‘the baby is dasing’) which is minimally different from the transitive sentence [il dase le bébé] (he is dasing the baby). 28-montholds were shown to exploit prosodic information to constrain their interpretation of the novel verb meaning (Chapter 6). In a second series of studies, I investigated whether phrasal prosody and function words constrain the acquisition of nouns and verbs. I used sentences like ‘Regarde la petite bamoule’, which can be produced either as [Regarde la petite bamoule!] - Look at the little bamoule!, where ‘bamoule’ is a noun, or as [Regarde], [la petite] [bamoule!] - Look, the little (one) is bamouling, where bamoule is a verb. 18-month-olds correctly parsed such sentences and attributed a noun or verb meaning to the critical word depending on its position within the syntactic-prosodic structure of the sentences (Chapter 7). Taken together, these studies show that infants exploit function words and the prosodic structure of an utterance to recover the sentences’ syntactic structure, which in turn constrains the possible meaning of novel words. This powerful mechanism might be extremely useful for infants to construct a first-pass syntactic structure of spoken sentences even before they know the meanings of many words. Although prosodic information and functional elements can surface differently across languages, our studies suggest that this information may represent a universal and extremely useful tool for infants to access syntactic information through a surface analysis of the speech stream, and to bootstrap their way into language acquisition.