Appropriateness and Impact of a Vocal Cord Vibration Switch for Children with Complex Communication Needs: Case Series.
Leslie Mumford, Denise Guerriere, Tom Chau
PMID 41915902WHAT IT FOUND
Three children with complex communication needs used a vocal cord vibration switch for two years.
Mothers and teachers reported lower effort and higher satisfaction compared to previous devices, and all three children continued using the switch after the main study period.
Key findings
01Mothers and teachers reported lower physical and cognitive effort to use the switch compared to the children's previous devices.
02Caregiver satisfaction ratings increased from baseline to year two for all three participants.
03All three children were still using the device at the two-year follow-up assessment.
STILL TO COME
How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs
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What it does not show
The study included only three participants, so results cannot be generalized to other children. Assessments were not always completed at the intended times due to illness and family issues, leading to missing data for one participant. Different respondents (mothers vs. teachers) provided ratings at different time points, which may have confounded changes in effort and satisfaction scores. Device usage was estimated by caregivers rather than objectively logged, making precise comparison difficult.
Declared interests
Funding was provided by the Accessible Technology Program, Ministry of Innovation, Science & Economic Development Canada. The authors declared no conflicts of interest.
The easy way to misread this
Do not assume this device works for all children with complex communication needs. It requires voluntary vocal cord control and was only tested in three specific cases with varying levels of success and significant logistical challenges.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →