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All Journal E-Jurnal Medika Udayana Biology, Medicine, & Natural Product Chemistry Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya Journal of Health Sciences Community Development Journal Jurnal Ilmiah Permas: Jurnal Ilmiah STIKES Kendal Jurnal Pengabmas Masyarakat Sehat Muhammadiyah Medical Journal Indonesian Journal of Multidisciplinary Science Jurnal Pengabmas Masyarakat Sehat Warmadewa Minesterium Medical Journal Abdi Widya: Jurnal Pengabdian Masyarakat INCOME: Indonesian Journal of Community Service and Engagement Paradharma: Jurnal Aplikasi IPTEK Physical Therapy Journal of Indonesia Jambura Medical and Health Science Journal
Sumadewi, Komang Trisna
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Negative Impact of Noise Exposure on the Mean Number of Neurons in the Frontal Lobe of Adult Wistar Rats Evayanti, Luh Gde; Astini, Dewa Ayu Agung Alit Suka; Sumadewi, Komang Trisna; Witari, Ni Putu Diah; Wijaya, Putu Austin Widyasari; Ekayanti, Ni Wayan Sri; Ekayani, Ni Wayan Diana
Jambura Medical and Health Science Journal Vol 5, No 1 (2026): Jambura Medical and Health Science Journal
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jmhsj.v5i1.32905

Abstract

Introduction: Noise exposure can induce oxidative stress and alter neurotransmitter dynamics within the nervous system. This oxidative stress is also associated with structural changes in the layers of the cerebrum. However, the effects of noise exposure on neuronal populations remain inadequately understood. This study aims to quantify the mean number of neurons in the frontal lobe of Wistar rats subjected to noise exposure.Methods: This study utilized an experimental design characterized by a randomized post-test only control group framework. A total of 30 male Wistar rats were selected through simple random sampling and subsequently divided into two groups: a control group without treatment (C1, n=15) and an experimental group exposed to 95 dB noise (E1, n=15) for four hours daily. Following a two-week exposure period, their brain tissue was excised and preserved in 10% neutral buffered formalin. Histological assessment was conducted using Hematoxylin and Eosin staining to evaluate the mean number of neurons in the frontal lobe. Statistical analysis was performed using the independent T-test.Results: The mean number of neurons was 1053.33 ± 55.529 in the E1 group and 720.167 ± 61.135 in the C1 group. The mean neurons of the frontal lobe of Wistar rats in the E1 group ws lower than the C1 group significantly (P 0.001).Conclusion: Neuronal death in the frontal lobe resulting from noise-induced stress can induce structural alterations within this region, leading to detrimental effects on cognitive function and behavior. Keywords: Frontal lobe, neuron, noise, stress
Co-Authors A A I Ayesa Febrinia Adyasputri Adri, Nyoman Ayu Paramita Anak Agung Sri Agung Aryastuti Anthony Kerans, Fransiscus Fiano Asri Prima Dewi, Anak Agung Ayu Astini, Dewa Ayu Agung Alit Suka Audria, Intan Safira Dewi, A. A. Ayu Asri Prima Dewi, A.A.Ayu Asri Prima Dewi, Anak Agung Ayu Asri Prima Ekayani, Ni Wayan Diana Ekayanti, Ni Wayan Sri Evayanti, Luh Gede I Gusti Kamasan Nyoman Arijana, I Gusti Kamasan I Wayan Sumardika Ida Kurniawati, Ida Inayati, Rizqa Jawi, , I Made Junior, Darren Kerans, Fransiscus Fiano Anthony Kusumadewi, Ni Nyoman Sri Lestarini, Asri Luh Gde Evayanti Ni Putu Diah Witari, Ni Putu Pande Ayu Naya Kasih Permatananda Prasanthi Dewi, Ratih Pratiwi, Cokorda Agung Prima Dewi, A.A.A Asri Primatanti, Putu Asih Puspasari, Ni Made Indah Putra Parwati, Tjok Istri Rima Kusuma Ningrum Saktivi Harkitasari, Saktivi Satriya Wibawa, I Komang Sueta, Made Agus Dwianthara Sugiritama, Wayan Suka Astini, Dewa Ayu Agung Alit Suryadiningrat, Gede Wahyu Tanjung Subrata Toddy Hendrawan Yupardhi, Toddy Hendrawan Trisnia, Putu Ayunda Udiyani, Desak Putu Citra Wijaya, Putu Austin Widyasari Wiranatha, I Gede Witari, Ni Putu Diah Wulandari, Putu Kintan