IEEE J Biomed Health Inform - A Methodology for the Analysis of Spontaneous Reactions in Automated Hearing Assessment.

Tópicos

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Resumo

Audiology is the science of hearing and auditory processes study. The evaluation of hearing capacity is commonly performed by an audiologist using an audiometer, where the patient is asked to show some kind of sign when he or she recognizes the stimulus. This evaluation becomes much more complicated when the patient suffers some type of cognitive decline that hinders the emission of visible signs of recognition. With this group of patients a typical question-answer interaction is not applicable, so the audiologist must focus his attention on the patient's spontaneous gestural reactions. This manual evaluation entails a number of problems: it is highly subjective, difficult to determine in real time (since the expert must pay attention simultaneously to the audiological process and the patient's reactions), etc. Considering this, in this paper, we present an automatic methodology for processing video sequences recorded during the performance of the hearing test in order to assist the audiologist in the detection of these spontaneous reactions. This screening method analyzes the movements that occur within the eye area, which has been pointed out by the audiologists as the most representative for these patients. By the analysis of these movements, the system helps the audiologist to determine when a positive gestural reaction has taken place increasing the objectivity and reproducibility.

Resumo Limpo

audiolog scienc hear auditori process studi evalu hear capac common perform audiologist use audiomet patient ask show kind sign recogn stimulus evalu becom much complic patient suffer type cognit declin hinder emiss visibl sign recognit group patient typic questionansw interact applic audiologist must focus attent patient spontan gestur reaction manual evalu entail number problem high subject difficult determin real time sinc expert must pay attent simultan audiolog process patient reaction etc consid paper present automat methodolog process video sequenc record perform hear test order assist audiologist detect spontan reaction screen method analyz movement occur within eye area point audiologist repres patient analysi movement system help audiologist determin posit gestur reaction taken place increas object reproduc

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