Optimisation of visual reinforcement audiometry: a scoping review.
Anisa S Visram1, Iain R Jackson1, Ibrahim Almufarrij1,2
1Manchester Centre for Audiology and Deafness, School of Health Sciences, University of Manchester, Manchester, UK.
International Journal of Audiology
|September 12, 2024
Summary
Visual reinforcement audiometry (VRA) effectively assesses infant hearing. Optimizing VRA involves varied visual reinforcers and breaks, with younger infants showing more responses.
Area of Science:
- Audiology
- Pediatric Hearing Assessment
- Behavioral Testing
Background:
- Visual reinforcement audiometry (VRA) is a standard method for evaluating hearing in infants and young children.
- Clinical practice requires optimized VRA protocols for improved effectiveness.
Purpose of the Study:
- To conduct a scoping review summarizing evidence on optimizing Visual Reinforcement Audiometry (VRA).
- To identify factors enhancing VRA effectiveness in clinical settings.
Main Methods:
- A pre-registered scoping review was performed.
- Fifty-nine original research articles were included in the analysis.
Main Results:
- Increased variety and complexity of visual reinforcers, shorter durations, and breaks improved infant response behavior.
- Intermittent conditioning and suprathreshold presentation levels did not significantly impact responses.
- Younger infants (around 12 months) exhibited more responses than older infants (18-24 months).
Conclusions:
- VRA is a successful hearing test for infants aged approximately 7-24 months, with established clinical protocols.
- Further research is needed on diverse reinforcers, auditory stimuli, and response detection technologies to enhance VRA.
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