Moreover, they support the view of Voyer and Flight in that the gender difference in hemispheric lateralization of language function is observed in a well-managed-attention condition, which fits the condition adopted in the MMN measurement subjects are required to focus attention to a distraction task and thereby ignore the phonetic stimuli that elicit MMN. METHOD: Dichotic Listening Cognitive Resources, Cognitive Load, and Task-Irrelevant Stimuli METHOD: Flanker Compatibility Task DEMONSTRATION: The Stroop Effect. The present study examined the relationship between individual differences in dichotic listening (DL) and the susceptibility to left-right confusion (LRC). These results underscore the significance of considering the gender differences in the study of MMN, especially when phonetic stimulus is adopted. The findings of the present study suggest that functional lateralization subserving preattentive detection of phonetic change differs between the genders. The right ear advantage (REA) observed in healthy, right-handed adults has been shown in some studies to be greater in men compared to women (Cowell and Hugdahl, 2000, Wadnerkar et al., 2008). Further, the contralateral dominance of the SCD distribution associated with the ear receiving deviant stimuli in males indicated that ipsilateral input as well as interhemispheric transfer across the corpus callosum to the ipsilateral side was more suppressed in males than in females. Dichotic listening is an effective means of examining functional asymmetries in speech perception. While males exhibited left-lateralized activation with phonetic MMNs, females exhibited more bilateral activity. With pure-tone MMNs, no significant gender differences in hemispheric lateralization appeared in either EEG or SCD findings. We use the pure-tone audiogram to assess the first factor by measuring pure-tone threshold loss across the audiometric frequency change. Abstract The impact of menstrual cyclicity and sex differences on dichotic listening was studied in 25 women and 20 men (aged 2025 years). With phonetic MMNs, EEG findings revealed significantly larger amplitude in females than males, especially in the right hemisphere, while SCD findings revealed left hemisphere dominance and contralateral dominance in males alone. 1) Loss in peripheral hearing sensitivity, 2) Decline in overall cognitive function, and 3) Deficit in central auditory processing. Both EEG amplitude and scalp current density (SCD) data were analyzed. MMNs generated by pure-tone and phonetic stimuli were compared, to check for the existence of language-specific gender differences in lateralization. All the patient’s complaint from difficulty in speech discrimination in noisy. Fifteen elderlies were between 80 and 89 years, 16 were between 70 and 77 years, 15 were between 60 and 69 years. With the aim of investigating gender differences in the functional lateralization subserving preattentive processing of language stimuli, we compared auditory mismatch negativities (MMNs) using dichotic listening tasks.įorty-four healthy volunteers, including 23 males and 21 females, participated in the study. Dichotic listening ability was significantly affected in elderly patients.
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