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VOLUME 15 , ISSUE 3 ( September-December, 2023 ) > List of Articles

Original Article

Does the Type of Transducer Influence Digit Span Test for Assessing Short-term Memory?

Imran Ansari, Tulsi Sao, Debadatta Mahallik

Keywords : Auditory, Digit span, Short-term memory, Transducer, Working memory

Citation Information : Ansari I, Sao T, Mahallik D. Does the Type of Transducer Influence Digit Span Test for Assessing Short-term Memory?. Int J Otorhinolaryngol Clin 2023; 15 (3):122-124.

DOI: 10.5005/jp-journals-10003-1454

License: CC BY-NC 4.0

Published Online: 09-01-2024

Copyright Statement:  Copyright © 2023; The Author(s).


Introduction: Digit span is the most widely used to measure the capacity of auditory working memory and administered using two different variants forward digit span and backward digit span test. It was revealed that auditory digit span test is influenced by various extrinsic factors and intrinsic factors, such as rhythm of presentation, language, the material used, method of scoring, rate of presentation, live voice testing, age, sex, race, and pathological condition; however, the mode of stimulus presentation on auditory digit span test was not studied previously. Aim: Hence, in the present study, it is attempted to find out the type of transducer influences digit span test for assessing short-term memory. Methods: A total number of 44 normal hearing participants within the age range of 18–25 years were included in this study. Auditory digits span testing, that is, forward and backward were done by using calibrated headphone and loudspeaker in soundproof room. Results: The results showed no significant differences for both forward (Z-score = 3.692, p > 0.05) and backward digit span test (Z-score = 3.712, p > 0.05) between headphone and loudspeaker. Conclusion: Auditory digit span test is not influenced by types of transducers. Hence, loudspeaker can be used alternatively for easy and convenient way to test auditory working memory especially for difficult-to-test population and children clinically and aural rehabilitation.

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