Top-Down Auditory Plasticity: Acceptable Noise Level Predicts and Reflects the Effect of Perceptual Learning in Experience-Induced Plasticity in Adults with Normal

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Ravanshenas Elaheh; JALILVAND HAMID; AKBARZADEH BAGHBAN ALIREZA

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Journal: Scientific Journal of Rehabilitation Medicine Year:2018 | Volume:7 | Issue:2 Page(s): 231-239

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Title

Top-Down Auditory Plasticity: Acceptable Noise Level Predicts and Reflects the Effect of Perceptual Learning in Experience-Induced Plasticity in Adults with Normal

Author(s)

Ravanshenas Elaheh | JALILVAND HAMID | AKBARZADEH BAGHBAN ALIREZA | Issue Writer Certificate

Keywords

Acceptable noise level (ANL)Q1

the auditory efferent systemQ1

experience-induced learningQ1

noiseQ1

Abstract

Background and Aims: In the auditory system, tinnitus and superior speech perception in noise are examples of negative and positive plasticity that can result from sensory neural hearing loss and life experiences dealing with more complex stimuli and learning, respectively. Positive plasticity occurs as a result of learned skills and sensory stimuli; plasticity involves specific neural pathways and can be observed in auditory ascending or descending pathways. Materials and Methods: In the present study, we document a form of plasticity in top-down auditory pathways through the measurement of Acceptable Noise Level (ANL) in 60 adults (27 females and 33 males) with normal hearing. Individuals were assigned to one of the two groups: the groups with and without occupational experience of speech perception in noise. Results: The results showed that the test group had statistically significant lower ANL scores and significantly higher background noise level scores compared with the control group. Conclusion: Using ANL test, we attributed differences in individuals’ abilities to tolerate varying amounts of background noise and speech perception in noise function to the auditory efferent system. We therefore concluded that working in crowded locations due to job nature can influence differences in speech perception in noise function.

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APA: Copy

Ravanshenas, Elaheh, JALILVAND, HAMID, & AKBARZADEH BAGHBAN, ALIREZA. (2018). Top-Down Auditory Plasticity: Acceptable Noise Level Predicts and Reflects the Effect of Perceptual Learning in Experience-Induced Plasticity in Adults with Normal. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, 7(2 ), 231-239. SID. https://sid.ir/paper/239488/en

Vancouver: Copy

Ravanshenas Elaheh, JALILVAND HAMID, AKBARZADEH BAGHBAN ALIREZA. Top-Down Auditory Plasticity: Acceptable Noise Level Predicts and Reflects the Effect of Perceptual Learning in Experience-Induced Plasticity in Adults with Normal. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE[Internet]. 2018;7(2 ):231-239. Available from: https://sid.ir/paper/239488/en

IEEE: Copy

Elaheh Ravanshenas, HAMID JALILVAND, and ALIREZA AKBARZADEH BAGHBAN, “Top-Down Auditory Plasticity: Acceptable Noise Level Predicts and Reflects the Effect of Perceptual Learning in Experience-Induced Plasticity in Adults with Normal,” SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, vol. 7, no. 2 , pp. 231–239, 2018, [Online]. Available: https://sid.ir/paper/239488/en

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