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The effect of sound pressure level on cognitive performance

The effect of sound pressure level on cognitive performance

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20180925041131N2
Enrollment
30
Registered
2020-04-27
Start date
2019-09-23
Completion date
Unknown
Last updated
2020-05-18

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

Conditions

cognitive performance.

Interventions

Intervention group: Male and female students in the age group of 18 to 35 participate in this study. In this intervention study, participants will be exposed to 3 levels of recorded workplace noise pr

Sponsors

Shiraz University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 35 Years

Inclusion criteria

Inclusion criteria: Do not drink alcohol 24 hours before the test Do not smoke for half an hour before the test Hearing health, being right-handed and not having mental illness

Exclusion criteria

Exclusion criteria: Take sleeping pills up to 8 hours before the study Sleep less than 8 hours in the last 24 hours

Design outcomes

Primary

MeasureTime frame
Working memory error:The number of errors in the n-back test indicates the number of error in the working memory. In the n-back test, 110 stimuli are continuously presented visually and the subject should compare these stimuli with the previous stimuli. If the comparison is done correctly, a positive score will be recorded for the subject and if Wrong comparison is made, a negative score or error is recorded for the person. Timepoint: After ten minutes of sound exposure. Method of measurement: n-back test.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactReza Kazemi

Shiraz University of Medical Sciences

reza_kazemi2007@yahoo.com+98 71 3725 1001

Outcome results

None listed

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