Oral diadochokinetic rates across languages: Multilingual speakers comparison

Chu SY 1 , Foong JH 2 , Lee J 3 , Ben-David BM 4 , Barlow SM 5 , Hsu C 6

Affiliations 

  • 1 Faculty of Health Sciences, Centre for Healthy Ageing and Wellness (H-CARE), Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur, Malaysia
  • 2 Faculty of Health Sciences, Speech Science Programme, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur, Malaysia
  • 3 Department of Educational Psychology and Leadership, Texas Tech University, Lubbock, Texas, USA
  • 4 Communication Aging and Neuropsychology Lab (CANlab), Baruch Ivcher School of Psychology, Interdisciplinary Center (IDC) Herzliya, Israel
  • 5 Department of Special Education and Communication Disorders, Department of Biological Systems Engineering, Center for Brain, Biology and Behavior, Communication Neuroscience Laboratories, University of Nebraska, Lincoln, Nebraska, USA
  • 6 Department of Audiology and Speech-Language Pathology, Mackay Medical College, New Taipei City, Taiwan
Int J Lang Commun Disord, 2021 Jul 31.
PMID: 34331497 DOI: 10.1111/1460-6984.12653

Abstract

BACKGROUND: It is unclear whether oral diadochokinetic rate (oral-DDK) performance is affected by different languages within a multilingual country.

AIMS: This study investigated the effects of age, sex, and stimulus type (real word in L1, L2 vs. non-word) on oral-DDK rates among healthy Malaysian-Malay speakers in order to establish language- and age-sensitive norms. The second aim was to compared the nonword 'pataka' oral-DDK rates produced by Malaysian-Malay speakers on currently available normative data for Hebrew speakers and Malaysian-Mandarin speakers.

METHODS & PROCEDURES: Oral-DDK performance of 90 participants (aged 20-77 years) using nonword ('pataka'), Malay real word ('patahkan'), and English real word ('buttercake') was audio recorded. The number of syllables produced in 8 seconds was calculated. Mixed analysis of variance (ANOVA) was conducted to examine the effects of stimulus type (nonword, Malay, and English real word), sex (male, female), age (younger, 20-40 years; middle, 41-60 years; older, ≥61 years), and their interactions on the oral-DDK rate. Data obtained were also compared with the raw data of Malaysian-Mandarin and Hebrew speakers from the previous studies.

OUTCOMES & RESULTS: A normative oral-DDK rate has been established for healthy Malaysian-Malay speakers. The oral-DDK rate was significantly affected by stimuli (p 

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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