Oiticica Jeanne, Vasconcelos Laura G E, Horiuti Mirella B
Otorhinolaryngology/LIM32, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo 01246-000, Brazil.
Otorhinolaryngology/LIM32, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo 01246-000, Brazil.
Braz J Otorhinolaryngol. 2023 Oct 9;90(1):101340. doi: 10.1016/j.bjorl.2023.101340.
This study investigated the effects of WN on LE in subjects with chronic tinnitus and normal hearing thresholds. The study was a prospective, non-randomized, before-and-after, intra-participant intervention.
Twenty-five subjects performed the following tests: conventional and high-frequency audiometry, acuphenometry, screening questionnaires for depression and anxiety symptoms, Tinnitus Handicap Inventory (THI), Montreal Cognitive Assessment, and high WM test from the Working Memory Assessment Battery, Federal University of Minas Gerais (WMAB) as the LE measure in two conditions: No Added Noise (NAN) and with Added Noise (AN).
Seventeen participants (68%) performed better on AN condition. Data analysis revealed a 45% improvement in the WMAB total span count on AN setting, with a significant p value (p=0.001).
The subgroup of participants without traces of anxiety symptoms, up to mild traces of depressive symptoms, having unilateral tinnitus, and a THI level up to grade 2, had improved WM performance in the presence of WN, which suggests a release of cognitive resources and less auditory effort under these combined conditions.
本研究调查了白噪声（WN）对慢性耳鸣且听力阈值正常的受试者的聆听效能（LE）的影响。该研究为一项前瞻性、非随机、前后对照的受试者内干预研究。
25名受试者进行了以下测试：常规和高频听力测定、耳鸣测定、抑郁和焦虑症状筛查问卷、耳鸣障碍量表（THI）、蒙特利尔认知评估，以及来自米纳斯吉拉斯联邦大学工作记忆评估电池（WMAB）的高工作记忆测试，作为两种条件下的聆听效能测量：无添加噪声（NAN）和有添加噪声（AN）。
17名参与者（68%）在有添加噪声的条件下表现更好。数据分析显示，在有添加噪声的设置下，WMAB总跨度计数提高了45%，p值具有显著性（p=0.001）。
在没有焦虑症状痕迹、有轻度抑郁症状痕迹、患有单侧耳鸣且THI水平达2级的参与者亚组中，在有白噪声的情况下工作记忆表现有所改善，这表明在这些综合条件下认知资源得以释放，听觉努力减少。
4级。
