Effect of diurnal changes on dichotic listening in younger adults with normal hearing.

Background: Diurnal changes can be defined as the time of the day over an individual's performance level for different activities that involve physical and mental tasks.

Objective: The current study aimed to evaluate the effect of diurnal changes in scores obtained for the Dichotic Consonant-Vowel paradigm by young adults with normal hearing sensitivity.

Method: Based on the 'Morningness-Eveningness questionnaire' given by Horne & Ostberg, the subjects were divided into moderately-morning, intermediate and moderately-evening categories.