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11 June 2024 : Clinical Research  

Development and Evaluation of the Italian Version of the Dichotic Digit Test: Insights from 39 Normal-Hearing Children Aged 11 to 13 years

Milaine Dominici Sanfins ORCID logo12ABCDEFG*, Caroline Donadon3E, Thais Antonelli Diniz Hein4B, Elzbieta Gos ORCID logo2CD, Piotr Henryk Skarżyński ORCID logo256789FG, Nadia Giulian de Carvalho3F, Claudia Aimoni10B, Stavros Hatzopoulos10ABD, Maria Francisca Colella-Santos3ADE

DOI: 10.12659/MSM.944090

Med Sci Monit 2024; 30:e944090



BACKGROUND: The dichotic digit test (DDT) is one of the tests for the behavioral assessment of central auditory processing. Dichotic listening tests are sensitive ways of assessing cortical structures, the corpus callossum, and binaural integration mechanisms, showing strong correlations with learning difficulties. The DDT is presently available in a number of languages, each appropriate for the subject’s native language. However, there is presently no test in the Italian language. The goal of this study was to develop an Italian version of the one-pair dichotic digit test (DDT-IT) and analyze results in 39 normal-hearing Italian children 11 to 13 years old. We used 2 conditions of presentation: free recall and directed attention (left or right ear), and looked at possible effects of sex and ear side.

MATERIAL AND METHODS: This study involved 3 steps: creation of the stimuli, checking their quality with Italian speakers, and assessment of the DDT-IT in our subject pool. The study involved 39 children (26 girls and 13 boys), aged 11-13 years. All participants underwent basic audiological assessment, auditory brainstem response, and then DDT-IT.

RESULTS: Results under free recall and directed attention conditions were similar for right and left ears, and there were no sex or age effects.

CONCLUSIONS: The Italian version of DDT (DDT-IT) has been developed and its performance on 39 normal-hearing Italian children was assessed. We found there were no age or sex effects for either the free recall condition or the directed attention condition.

Keywords: Auditory Perceptual Disorders, Dichotic Listening Tests, Hearing Tests, Language Development Disorders, Speech Perception

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DOI: 10.12659/MSM.945315

Med Sci Monit 2024; 30:e945315


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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750