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KMID : 1036820180230020462
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Communication Sciences & Disorders
2018 Volume.23 No. 2 p.462 ~ p.476
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Development of a Platform for Augmented Reality-Based Speech Language Therapy
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Bae In-Ho
Lee Ju-A
Park Hee-June
Kwon Soon-Bok
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Abstract
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Objectives: In the field of speech language therapy, augmented reality (AR) is being treated with interest as a new medium to complement the traditional therapy paradigm. The purpose of this study was to develop a program for markless AR-based speech language therapy using tablets and to compare the effects of AR and picture card intervention.
Methods: AR applications were programmed to recognize objects using natural feature tracking algorithms, and 3 children with specific language impairment participated in AR and picture card-based intervention with 24 action verbs in an alternating treatment design. The differences between the two interventions were compared in vocabulary accuracy, improvement rate difference, flow, and learning interest.
Results: Improvement in action verb vocabulary was shown in both the AR-based intervention and the picture card intervention, with the AR-based intervention resulting in higher vocabulary accuracy in the intervention and maintenance phase. Additionally, the AR-based intervention showed higher learning flow. General interest was similar in both intervention methods, but the AR-based intervention was higher in situation interest.
Conclusion: AR-based intervention was effective for learning vocabulary that would normally be taught with conventional picture cards; mixed reality AR helped improve children’s learning motivation and participation levels. In addition, the markless AR platform has advantages for clinical speech language pathology practice because the content can be easily expanded.
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KEYWORD
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Augmented reality, Natural feature tracking, Specific language impairment, Action verb, Tablets
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