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1.
J Appl Res Intellect Disabil ; 35(1): 280-294, 2022 Jan.
Article in English | MEDLINE | ID: mdl-34693604

ABSTRACT

BACKGROUND: This pilot study aimed to explore the impact of visual, auditory and vestibular dysfunctions on the postural balance performance in adults with intellectual disabilities. Additionally, a comparison was made between the subjects with intellectual disabilities and a control group concerning static and dynamic balance tasks. METHOD: Thirty adults with intellectual disabilities and 25 control subjects received a postural balance assessment. Additionally, the experimental group was subjected to a visual, auditory and vestibular screening. RESULTS: The experimental group performed significantly worse and/or showed more sway compared to the control group for all balance tasks (p < .01) except the timed up and go test. Within the experimental group, a significant positive correlation (rs (24) = 0.513, p = .007) was observed between the number of failed sensory screening items and the number of failed balance tasks. CONCLUSIONS: These findings suggest significant involvement of peripheral sensorial deficits in the balance problems that people with intellectual disabilities often experience.


Subject(s)
Intellectual Disability , Postural Balance , Humans , Pilot Projects , Time and Motion Studies
2.
Int J Audiol ; 60(6): 446-457, 2021 06.
Article in English | MEDLINE | ID: mdl-33100086

ABSTRACT

OBJECTIVE: This study aimed to evaluate the feasibility of a well-adapted vestibular screening battery to objectively examine the (peripheral) vestibular function, and to explore the characteristics of potential vestibular deficits in the adult ID population. DESIGN: Cross-sectional study design. STUDY SAMPLE: Compared to an age- and gender-weighted control group, a heterogeneous group of forty-five adults with ID participated in the vestibular screening at the National Games of Special Olympics Belgium (2019), which consisted of a bone conduction cervical Vestibular Evoked Myogenic Potential (cVEMP) measurement and video Head Impulse Test (vHIT). RESULTS: The screening battery appeared to be feasible in the majority of the participants (cVEMP: 92%; vHIT: 72%). Overall, the occurrence of abnormal cVEMP and vHIT responses was significantly higher in the ID group, with significantly lower corrected peak-to-peak cVEMP amplitudes (p < 0.001), lower vHIT gains (p < 0.001), and higher cVEMP and vHIT asymmetry ratios in the ID group (p = 0.008 and p < 0.001 resp.). CONCLUSIONS: Vestibular assessment using the cVEMP and vHIT technique shows a promising feasibility in adults with ID. In addition, this study suggests that people with ID exhibit an increased prevalence of (peripheral) vestibular deficits relative to the general population.


Subject(s)
Intellectual Disability , Vestibular Evoked Myogenic Potentials , Adult , Athletes , Cross-Sectional Studies , Feasibility Studies , Head Impulse Test , Humans
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