Nepal Ajapa, Godavarthi Eesha, Ajit Anaswara, Prabhu Prashanth, K V Nisha
Department of Audiology, All India Institute of Speech and Hearing (AIISH), Naimisham Campus, Manasagangothri, Mysore 570006 India.
Center of Hearing sciences, COE-HS, Mysore, India.
Indian J Otolaryngol Head Neck Surg. 2024 Dec;76(6):5451-5458. doi: 10.1007/s12070-024-05000-3. Epub 2024 Aug 24.
The study aimed to evaluate auditory spatial perception in individuals with and without recreational noise exposure using Virtual Acoustic Space Identification. A standard group comparison design using purposive sampling was conducted on 60 normal-hearing participants aged 18-30. They were divided into experimental and control groups based on their scores on the recreational hearing habits questionnaire (CHAR). The experimental group was exposed to recreational noise for at least 4 h per day, while the control group had no noise exposure. The procedure involved the administration of Virtual Acoustic Space Identification (VASI) at 65 dB SPL. Spatial perception was measured at eight spatial percepts within the head. Based on the confusion matrix, accuracy scores, reaction time at each virtual location, and the overall VASI score were calculated. The results indicate a significant difference in Front errors and Front-as-back errors in the two groups; people with recreational noise exposure had more errors in these spatial percepts. This indicates the differential impact of recreational noise on auditory spatial perception. The differences observed in the test can be attributed to the complexity of the auditory spatial perception task, the stimulus and the better sensitivity of the VASI in detecting spatial deficits. Recreational noise exposure affects spatial auditory perception, emphasizing the importance of mitigating recreational noise-related risks for auditory spatial skills.
该研究旨在使用虚拟声学空间识别技术评估有或无娱乐性噪声暴露的个体的听觉空间感知。对60名年龄在18至30岁之间的听力正常参与者采用目的抽样进行标准组比较设计。根据他们在娱乐性听力习惯问卷(CHAR)上的得分,将他们分为实验组和对照组。实验组每天至少暴露于娱乐性噪声4小时,而对照组无噪声暴露。该程序包括在65 dB声压级下进行虚拟声学空间识别(VASI)。在头部内的八个空间感知点测量空间感知。根据混淆矩阵,计算准确率得分、每个虚拟位置的反应时间以及总体VASI得分。结果表明两组在前方错误和前后混淆错误方面存在显著差异;有娱乐性噪声暴露的人在这些空间感知方面有更多错误。这表明娱乐性噪声对听觉空间感知有不同影响。测试中观察到的差异可归因于听觉空间感知任务的复杂性、刺激以及VASI在检测空间缺陷方面的更高灵敏度。娱乐性噪声暴露会影响空间听觉感知,强调了降低与娱乐性噪声相关风险对听觉空间技能的重要性。