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Investigation the effects of combined exposure to harmful and non-harmful levels of noise, heat and lighting on performance indices such as attention & working memory and physiological indices such as body temperature, blood pressure & heart rate of human, 2013.

Investigation the effects of combined exposure to harmful and non-harmful levels of noise, heat and lighting on performance indices such as attention & working memory and physiological indices such as body temperature, blood pressure & heart rate of human, 2013.

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
IRCT
Registry ID
IRCT2013101415016N1
Enrollment
128
Registered
2014-04-23
Start date
2013-11-22
Completion date
Unknown
Last updated
2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Condition 1: Attention. Condition 2: Memory. Condition 3: Blood pressure. Condition 4: Body temperature. Condition 5: Heart rate. Profound mental retardation Other symptoms and signs involving cognitive functions and awareness Examination of blood pressure

Interventions

Intervention 1: combined exposure to noise, temperature and lighting(8 different conditions). Intervention 2: group1:exposure to noise(55 db),lighting(500lux),heat(24?c) for 40 min. Intervention 3: gr
combined exposure to noise, temperature and lighting(8 different conditions).
group1:exposure to noise(55 db),lighting(500lux),heat(24?c) for 40 min.
group2:exposure to noise(55 db),lighting(20lux),heat(24?c) for 40 min.
group3:exposure to noise(55 db),lighting(500lux),heat(32?c) for 40 min.
group4:exposure to noise(55 db),lighting(20lux),heat(32?c) for 40 min.
group5:exposure to noise(95 db),lighting(500lux),heat(24?c) for 40 min.
group6:exposure to noise(95 db),lighting(20lux),heat(24?c) for 40 min.
group7:exposure to noise(95 db),lighting(500lux),heat(32?c) for 40 min.
group5:exposure to noise(95 db),lighting(20lux),heat(32?c) for 40 min.

Sponsors

Shiraz University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 26 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: having the general health, hearing, vision, and no consumption of Narcotics and full satisfaction for participation in the study.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Reaction time. Timepoint: during exposure. Method of measurement: Continuous Performance Test.;Commission error. Timepoint: during exposure. Method of measurement: Continuous Performance Test.;Omission error. Timepoint: during exposure. Method of measurement: Continuous Performance Test.;Working memory. Timepoint: during exposure. Method of measurement: pasat test.;Blood pressure. Timepoint: before, during & after exposure. Method of measurement: digital manometer.;Heart rate. Timepoint: before, during & after exposure. Method of measurement: digital manometer.;Body temperature. Timepoint: before, during & after exposure. Method of measurement: mercury thermometer.—

Secondary

MeasureTime frame
Personality Type. Timepoint: before exposure. Method of measurement: NEO Questionnaire.—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactZahra Zamanian

School of Public Health, Shiraz

zamanianz@sums.aac.ir+98 71 1725 1001

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026