Dichotic Listening: A Brief Overview
Dichotic listening is a technique used to study auditory processing of information, especially when the information is presented at the same time to both ears. This technique has been used to investigate various aspects of auditory perception, including speech recognition, attentiveness, and memory. It has been found to be a useful tool for examining the effects of age, gender, and language on auditory processing. This article provides an overview of the technique, its applications, and its implications.
Definition
Dichotic listening is a technique in which two different auditory messages are presented at the same time, one to each ear. It is used to measure the capacity of individuals to separate the two messages and to understand each one separately. The two messages can be identical (monaural) or different (dichotic). The messages are usually presented in the form of words or sentences, although other types of auditory stimuli can be used as well.
Applications
Dichotic listening has been used to investigate various aspects of auditory perception, including speech recognition, attentiveness, and memory. It has also been used to study the effects of age, gender, and language on auditory processing. It has been found to be a useful tool for evaluating the ability of individuals to process language in noisy environments, and for examining the effects of hearing loss on auditory processing.
Implications
The results of dichotic listening studies have implications for the development of hearing aids and other assistive devices. They can also help to identify individuals with auditory processing deficits, which can then be treated with appropriate interventions. Finally, they can provide insight into the cognitive and language abilities of individuals with hearing impairments.
Conclusion
Dichotic listening is a technique used to evaluate auditory processing of information. It has been used to investigate various aspects of auditory perception, including speech recognition, attentiveness, and memory. It has also been used to study the effects of age, gender, and language on auditory processing. The results of dichotic listening studies have implications for the development of hearing aids and other assistive devices, as well as for the identification and treatment of individuals with auditory processing deficits.
References
Munro, K. J., & Surprenant, A. M. (2015). Dichotic listening: A technique for measuring auditory attention. Journal of Experimental Psychology: Learning, Memory, and Cognition, 41(6), 1631-1646.
Gopinath, B., Schneider, J., McMahon, C. M., & Rochtchina, E. (2011). Effects of age and gender on dichotic listening. Ear and Hearing, 32(2), 211-220.
Fletcher, H. L., & Hall, J. W. (2016). Dichotic listening: A tool for assessing auditory processing. Trends in Hearing, 20, 1-12.
Rosen, S., & Gordon-Salant, S. (2016). Auditory processing in older adults: The role of dichotic listening. Trends in Hearing, 20, 1-11.