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McMurray, Bob; Danelz, Ani; Rigler, Hannah; Seedorff, Michael – Developmental Psychology, 2018
The development of the ability to categorize speech sounds is often viewed as occurring primarily during infancy via perceptual learning mechanisms. However, a number of studies suggest that even after infancy, children's categories become more categorical and well defined through about age 12. We investigated the cognitive changes that may be…
Descriptors: Speech Communication, Classification, Child Development, Adolescent Development
Wong, Puisan; Ng, Kelly Wing Sum – Journal of Speech, Language, and Hearing Research, 2018
Purpose: The function of child-directed speech has been debated for decades. This study examined the perceptual and acoustic characteristics of child- and adult-directed Cantonese tones to test the hyperarticulation and prosodic hypotheses that have been proposed to account for the acoustic modifications in child-directed speech. Method: Sixty-two…
Descriptors: Intonation, Phonetics, Sino Tibetan Languages, Accuracy
Tjaden, Kris; Lam, Jennifer; Wilding, Greg – Journal of Speech, Language, and Hearing Research, 2013
Purpose: The impact of clear speech, increased vocal intensity, and rate reduction on acoustic characteristics of vowels was compared in speakers with Parkinson's disease (PD), speakers with multiple sclerosis (MS), and healthy controls. Method: Speakers read sentences in habitual, clear, loud, and slow conditions. Variations in clarity,…
Descriptors: Neurological Impairments, Vowels, Acoustics, Speech
Davies, Benjamin; Xu Rattanasone, Nan; Demuth, Katherine – Language Learning and Development, 2017
Many English-speaking children use plural nominal forms in spontaneous speech before the age of two, and display some understanding of plural inflection in production tasks. However, results from an intermodal preferential study suggested a lack of "comprehension" of nominal plural morphology at 24 months of age (Kouider, Halberda, Wood,…
Descriptors: Infants, Language Acquisition, English, Morphology (Languages)
Archer, Stephanie L.; Zamuner, Tania; Engel, Kathleen; Fais, Laurel; Curtin, Suzanne – Language Learning and Development, 2016
Research has shown that young infants use contrasting acoustic information to distinguish consonants. This has been used to argue that by 12 months, infants have homed in on their native language sound categories. However, this ability seems to be positionally constrained, with contrasts at the beginning of words (onsets) discriminated earlier.…
Descriptors: Infants, Infant Behavior, Auditory Perception, Acoustics
Schölderle, Theresa; Staiger, Anja; Lampe, Renée; Strecker, Katrin; Ziegler, Wolfram – Journal of Speech, Language, and Hearing Research, 2016
Purpose: Although dysarthria affects the large majority of individuals with cerebral palsy (CP) and can substantially complicate everyday communication, previous research has provided an incomplete picture of its clinical features. We aimed to comprehensively describe characteristics of dysarthria in adults with CP and to elucidate the impact of…
Descriptors: Adults, Cerebral Palsy, Speech Impairments, Rating Scales
Weirich, Melanie; Fuchs, Susanne; Simpson, Adrian; Winkler, Ralf; Perrier, Pascal – Journal of Speech, Language, and Hearing Research, 2016
Purpose: Mumbling as opposed to clear speech is a typical male characteristic in speech and can be the consequence of a small jaw opening. Whereas behavioral reasons have often been offered to explain sex-specific differences with respect to clear speech, the purpose of this study is to investigate a potential anatomical reason for smaller jaw…
Descriptors: Morphology (Languages), Speech Communication, Articulation (Speech), North American English
Eichorn, Naomi; Marton, Klara; Schwartz, Richard G.; Melara, Robert D.; Pirutinsky, Steven – Journal of Speech, Language, and Hearing Research, 2016
Purpose: The present study examined whether engaging working memory in a secondary task benefits speech fluency. Effects of dual-task conditions on speech fluency, rate, and errors were examined with respect to predictions derived from three related theoretical accounts of disfluencies. Method: Nineteen adults who stutter and twenty adults who do…
Descriptors: Short Term Memory, Speech Skills, Stuttering, Evidence
Fink, Angela – ProQuest LLC, 2016
In this dissertation, we present three empirical studies exploring the relationship between the central planning processes of spoken word production--lexical selection, phonological encoding, and phonetic encoding--and three other cognitive processes traditionally considered separate or peripheral to this core system. Study 1 examines the role of…
Descriptors: Executive Function, Correlation, Speech Communication, Language Processing
Russell-Smith, Suzanna N.; Comerford, Bronwynn J. E.; Maybery, Murray T.; Whitehouse, Andrew J. O. – Journal of Autism and Developmental Disorders, 2014
This study investigated the involvement of inner speech limitations in the executive dysfunction associated with autism spectrum disorders (ASDs). Seventeen children with ASD and 18 controls, statistically-matched in age and IQ, performed a computer-based card sorting test (CST) to assess cognitive flexibility under four conditions: baseline, with…
Descriptors: Inner Speech (Subvocal), Executive Function, Children, Autism
Byun, Tara McAllister – Journal of Speech, Language, and Hearing Research, 2017
Purpose: This study documented the efficacy of visual-acoustic biofeedback intervention for residual rhotic errors, relative to a comparison condition involving traditional articulatory treatment. All participants received both treatments in a single-subject experimental design featuring alternating treatments with blocked randomization of…
Descriptors: Biofeedback, Intervention, Randomized Controlled Trials, Comparative Analysis
Yi, Hao – ProQuest LLC, 2017
This dissertation investigates the lexical f[subscript 0] control in Mandarin within the framework of Articulatory Phonology (AP) in two experiments: an imitation study (Experiment 1) and an Electromagnetic Articulography production study (Experiment 2). Empirical results are accounted for by making reference to a gestural model of f[subscript o]…
Descriptors: Mandarin Chinese, Intonation, Tone Languages, Language Patterns
Hunt-Gómez, Coral I.; Navarro-Pablo, Macarena – Problems of Education in the 21st Century, 2020
English Foreign Language (EFL) teachers need to be especially aware of their own articulatory errors and to manage strategies to overcome them. A specific corrective strategy using phonetic notation to destabilise the most recurrent articulatory errors to be applied to Spanish pre-service English Primary School teachers is presented. Firstly, the…
Descriptors: Preservice Teachers, Language Teachers, Elementary School Teachers, Foreign Countries
Grigos, Maria I.; Moss, Aviva; Lu, Ying – Journal of Speech, Language, and Hearing Research, 2015
Purpose: The purpose of this research was to examine spatial and temporal aspects of articulatory control in children with childhood apraxia of speech (CAS), children with speech delay characterized by an articulation/phonological impairment (SD), and controls with typical development (TD) during speech tasks that increased in word length. Method:…
Descriptors: Articulation (Speech), Speech Communication, Speech Impairments, Phonology
Murray, Elizabeth; McCabe, Patricia; Ballard, Kirrie J. – Journal of Speech, Language, and Hearing Research, 2015
Purpose: This randomized controlled trial compared the experimental Rapid Syllable Transition (ReST) treatment to the Nuffield Dyspraxia Programme-Third Edition (NDP3; Williams & Stephens, 2004), used widely in clinical practice in Australia and the United Kingdom. Both programs aim to improve speech motor planning/programming for children…
Descriptors: Neurological Impairments, Speech Impairments, Children, Syllables