Department of Behavioural Sciences and Learning, Swedish Institute for Disability Research, Linkping University.
Department of Psychology, Uppsala University.
Rehabil Psychol. 2009 Nov;54(4):381-389. doi: 10.1037/a0017565.
Masking by the use of sounds has been one of the most commonly applied means of coping with tinnitus. The ability to control auditory stimulation represents a potentially important process involved in tinnitus masking strategies. Little is, however, known about the consequences of control on tinnitus experience. The present study investigated the effects of control of background sounds (type and loudness) on perceived intrusiveness of tinnitus and cognitive performance.
Using an experimental design with a series of trials, participants with clinically significant tinnitus (N = 35) were randomly assigned to 1 of 2 experimental manipulation conditions (control of sounds vs. no control of sounds).
Self-reported tinnitus interference and the Digit-Symbol subtest served as dependent measures.
Latent growth curve modeling showed that individuals assigned to the condition with control exhibited faster growth rates on tinnitus interference (increased interference) and demonstrated slower rates of improvement on cognitive performance measures over trials compared to individuals assigned to the condition with no control.
These results suggest that efforts to control tinnitus through sounds can be associated with increased disability in individuals with tinnitus.
掩蔽是应对耳鸣最常用的方法之一。对听觉刺激的控制能力代表了耳鸣掩蔽策略中一个潜在的重要过程。然而，对于控制对耳鸣体验的影响知之甚少。本研究调查了控制背景声音（类型和响度）对耳鸣感知侵扰性和认知表现的影响。
使用具有一系列试验的实验设计，将具有临床显著耳鸣的参与者（N=35）随机分配到 2 种实验操作条件之一（控制声音与不控制声音）。
自我报告的耳鸣干扰和数字符号子测验作为因变量。
潜在增长曲线建模显示，与被分配到无控制条件的个体相比，被分配到控制条件的个体在耳鸣干扰（干扰增加）上的增长率更快，并且在试验过程中在认知表现测量上的改善速度更慢。
这些结果表明，通过声音控制耳鸣的努力可能与耳鸣个体的残疾程度增加有关。
