EVALUATION OF COGNITIVE FUNCTION AFTER EXPOSURE TODIFFERENT LEVELS OF SOUND PRESSURE LEVELS IN THECLINICAL TRIAL STUDY. IS 65 DB LEVEL SAFE?

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FOROUHARMAJD FARHAD; POURABDIAN SIAMAK; AHMADI NAZANIN; BARAKAT SAMIRA; HASANZADEH AKBAR

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Journal: Studies in Medical Sciences Year:2017 | Volume:27 | Issue:11 Page(s): 967-975

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Title

EVALUATION OF COGNITIVE FUNCTION AFTER EXPOSURE TODIFFERENT LEVELS OF SOUND PRESSURE LEVELS IN THECLINICAL TRIAL STUDY. IS 65 DB LEVEL SAFE?

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Keywords

NOISEQ1

COGNITIVE FUNCTIONQ1

REACTION TIMEQ1

HEALTHQ2

Abstract

Background & Aims: In addition to the adverse effects of NOISE in the auditory system, non-auditory effects can be regarded as factors which cause physiological harassment, discomfort and also disorder in COGNITIVE FUNCTIONs. The present study aimed at determining COGNITIVE FUNCTION after exposuring to different levels of sound pressure level in a clinical trial study.Materials & Methods: This study was clinical trial type (before and after clinical trial). In order to evaluate the effects of NOISE (65, 75 and 85 dB) on COGNITIVE FUNCTION, 12 students (6 males and 6females) of Isfahan Medical Science University students between the ages 22 and 27 with BMI 20-25kg/m were studied. To analyze data, the statistical pair-T test was used and ANOVA (P=0.05) was run.Results: Applying sound pressure level of 65 dB in comparison with prior applying of 65 dB sound pressure level led to average increase in chosen REACTION TIMEs colors (P=0.041) and sounds (P=0.038)were significant. Also, by increasing the sound pressure level of 65 dB to 75 and then 85 dB REACTION TIME average increase was significant (001.0>P).Conclusion: Accordingly, the 75 and 85 dB sound pressure level of 65 dB sound pressure range cannotbe considered within safe limits for non-auditory effects according to its impact on COGNITIVE FUNCTION.Besides, this issue in jobs that expose people to high sound leads to disorder in COGNITIVE FUNCTION(reaction time, attention, etc.) causing the risk which must be taken into consideration.

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APA: Copy

FOROUHARMAJD, FARHAD, POURABDIAN, SIAMAK, AHMADI, NAZANIN, BARAKAT, SAMIRA, & HASANZADEH, AKBAR. (2017). EVALUATION OF COGNITIVE FUNCTION AFTER EXPOSURE TODIFFERENT LEVELS OF SOUND PRESSURE LEVELS IN THECLINICAL TRIAL STUDY. IS 65 DB LEVEL SAFE?. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), 27(11), 967-975. SID. https://sid.ir/paper/63708/en

Vancouver: Copy

FOROUHARMAJD FARHAD, POURABDIAN SIAMAK, AHMADI NAZANIN, BARAKAT SAMIRA, HASANZADEH AKBAR. EVALUATION OF COGNITIVE FUNCTION AFTER EXPOSURE TODIFFERENT LEVELS OF SOUND PRESSURE LEVELS IN THECLINICAL TRIAL STUDY. IS 65 DB LEVEL SAFE?. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES)[Internet]. 2017;27(11):967-975. Available from: https://sid.ir/paper/63708/en

IEEE: Copy

FARHAD FOROUHARMAJD, SIAMAK POURABDIAN, NAZANIN AHMADI, SAMIRA BARAKAT, and AKBAR HASANZADEH, “EVALUATION OF COGNITIVE FUNCTION AFTER EXPOSURE TODIFFERENT LEVELS OF SOUND PRESSURE LEVELS IN THECLINICAL TRIAL STUDY. IS 65 DB LEVEL SAFE?,” STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), vol. 27, no. 11, pp. 967–975, 2017, [Online]. Available: https://sid.ir/paper/63708/en

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