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نوع مقاله : Research Paper

نویسندگان

1 بهداشت ، ایمنی و مدیریت محیط زیست ، دانشکده مدیریت ، دانشگاه آزاد اسلامی ، تهران ، ایران

2 'گروه فیزیولوژی، دانشکده پزشکی، دانشگاه شهید صدوقی یزد، یزد، ایران

3 گروه فیزیولوژی، دانشکده پزشکی، دانشگاه علوم پزشکی و خدمات بهداشتی و درمانی زابل، زابل، ایران

چکیده

زمینه و هدف: آلودگی صوتی بخصوص در شهرها باعث ایجاد اختلالات وسیعی در حوزه سلامت جسمی و روانی افراد می شود. بدین جهت در این مطالعه اثرات صدا با فرکانس های پایین (LF) و بالا (HF) را بر اضطراب و اختلالات خواب درموش صحرایی نر مورد بررسی قرار دادیم.
مواد و روش ها: 15 سر موش صحرایی نر نژاد ویستار به‌طور تصادفی به سه گروه تقسیم شدند:1 ) گروه شاهد یا کنترل (هیچ‌گونه مواجه با امواج صوتی نداشتند)، 2) گروه تحت مواجه با صدای ترافیکی فرکانس های پایین (LF) 3) گروه تحت مواجه با صدای ترافیکی با فرکانس های بالا (HF) تقسیم شدند. مدت زمان خواب از طریق دوربین مدار بسته بررسی شد. سطح اضطراب از طریق ماز مرتفع بعلاوه شکل (Elevated Plus Maze(EPM)) مورد بررسی قرار گرفت.
یافته ها: موش های گروهHF نسبت به گروه کنترل زمان کمتری را در بازوی باز دستگاه EPM سپری کردند (p <0.05). مدت زمان خواب در موش های گروه های HF و LF به طور معنی داری نسبت به گروه کنترل کاهش یافته بود (p <0.01). تفاوت معنی داری در مدت زمان خواب بین گروههای HF و LF مشاهده نشد.
نتیجه گیری: مواجهه با امواج صوتی در فرکانس های بالا و پایین میتواند منجر به کاهش مدت زمان خواب شده و مواجهه با امواج صوتی با فرکانس های بالا باعث افزایش سطح اضطراب در موش های صحرایی می شود.

کلیدواژه‌ها

عنوان مقاله [English]

The effect of high and low frequency noise on anxiety and sleep disorder in male rats

نویسندگان [English]

  • Gharibreza Nazerirad 1
  • Fatemeh Zare Mehrjerdi 2
  • Fatemeh Khojasteh 3

1 Health, Safety and Environmental Management, Faculty of Management, Islamic Azad University, Tehran, Iran

2 Department of Physiology, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.

3 Department of Physiology, School of Medicine , Zabol University of Medical Sciences. zabol. Iran

چکیده [English]

Abstract
Background and Aim: Environmental noise pollution can cause physical and mental disorders, especially in cities. This study aimed to investigate the effects of Low-Frequency (LF) and High-Frequency (HF) noise on anxiety and sleep disorder in male rats.
Materials and Methods: Fifteen male Wistar rats were randomly divided into three groups: 1) control group (no exposure to noise), 2) group exposed to low-frequency traffic noise (LF group), and 3) group exposed to high-frequency traffic noise (HF group). Sleep duration was monitored by CCTV. Anxiety-like behaviors were measured using the Elevated Plus Maze (EPM).
Results: The results of the EPM test showed that time spent in the open arm was significantly lower in the HF group than in the control (P <0.05). Sleep duration was significantly lower in rats exposed to LF and HF noise (P <0.01). There was no significant difference in sleep duration between the HF and LF groups.
Conclusion: Exposure to high and low-frequency noise can reduce sleep duration and high-frequency noise can increase anxiety-like behavior in rats.

کلیدواژه‌ها [English]

  • Noise
  • Behavioral changes
  • Sleep disorders
  • Anxiety
  • Rat
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