Latent Semantic Analysis Discriminates Children with Developmental Language Disorder (DLD) from Children with Typical Language Development. 2019

Rasmus Bååth, and Sverker Sikström, and Nelli Kalnak, and Kristina Hansson, and Birgitta Sahlén
Lund University Cognitive Science, Lund University, Lund, Sweden.

Computer based analyses offer a possibility for objective methods to assess semantic-linguistic quality of narratives at the text level. The aim of the present study is to investigate whether a semantic language impairment index (SELIMI) based on latent semantic analysis (LSA) can discriminate between children with developmental language disorder (DLD) and children with typical language development. Spoken narratives from 54 children with DLD and 54 age matched controls with typical language development were summarized in a semantic representation generated using LSA. A statistical model was trained to discriminate between children with DLD and children with typical language development, given the semantic vector representing each individual child's narrative. The results show that SELIMI could distinguish between children with DLD and children with typical language development significantly better than chance and thus has a potential to complement traditional analyses focussed on form or on the word level.

UI MeSH Term Description Entries
D007804 Language Development The gradual expansion in complexity and meaning of symbols and sounds as perceived and interpreted by the individual through a maturational and learning process. Stages in development include babbling, cooing, word imitation with cognition, and use of short sentences. Language Acquisition,Acquisition, Language,Development, Language
D007805 Language Development Disorders Conditions characterized by language abilities (comprehension and expression of speech and writing) that are below the expected level for a given age, generally in the absence of an intellectual impairment. These conditions may be associated with DEAFNESS; BRAIN DISEASES; MENTAL DISORDERS; or environmental factors. Language Delay,Speech Delay,Auditory Processing Disorder, Central,Central Auditory Processing Disorder,Developmental Disorder, Speech or Language,Developmental Language Disorders,Language Disorders, Developmental,Semantic-Pragmatic Disorder,Speech or Language, Developmental Disorder,Delay, Speech,Delays, Speech,Development Disorder, Language,Developmental Language Disorder,Disorder, Language Development,Disorders, Language Development,Language Delays,Language Development Disorder,Language Disorder, Developmental,Semantic Pragmatic Disorder,Semantic-Pragmatic Disorders,Speech Delays
D008297 Male Males
D011578 Psycholinguistics A discipline concerned with relations between messages and the characteristics of individuals who select and interpret them; it deals directly with the processes of encoding (phonetics) and decoding (psychoacoustics) as they relate states of messages to states of communicators. Psycholinguistic
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012660 Semantics The relationships between symbols and their meanings. Semantic
D015233 Models, Statistical Statistical formulations or analyses which, when applied to data and found to fit the data, are then used to verify the assumptions and parameters used in the analysis. Examples of statistical models are the linear model, binomial model, polynomial model, two-parameter model, etc. Probabilistic Models,Statistical Models,Two-Parameter Models,Model, Statistical,Models, Binomial,Models, Polynomial,Statistical Model,Binomial Model,Binomial Models,Model, Binomial,Model, Polynomial,Model, Probabilistic,Model, Two-Parameter,Models, Probabilistic,Models, Two-Parameter,Polynomial Model,Polynomial Models,Probabilistic Model,Two Parameter Models,Two-Parameter Model
D033262 Narration The act, process, or an instance of narrating, i.e., telling a story. In the context of MEDICINE or ETHICS, narration includes relating the particular and the personal in the life story of an individual. Narrative Ethics,Ethics, Narrative,Narrations

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