The effect of white noise on problem-solving performance and visual-spatial memory

Evaluation of the effect of white noise on problem-solving performance and visual-spatial memory of employees exposed to noise in Tehran Metro: A randomized clinical trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20130812014333N261

Enrollment

Registered

2025-08-07

Start date

2025-08-23

Completion date

Unknown

Last updated

2025-08-19

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

Conditions

Visual-spatial memory.

Interventions

Intervention 1: The intervention group will be exposed to white noise. The white noise will be played in a semi-acoustic room using a loudspeaker and a portable computer. The white noise used in this

Eligibility

Sex/Gender

Male

Age

50 Years to No maximum

Inclusion criteria

Inclusion criteria: Informed consent Age equal to or greater than 50 years Have at least two years of work experience in the current job

Exclusion criteria

Exclusion criteria: Absence of problems related to the visual system History of diseases related to the nervous system History of taking medication that affects cognitive function History of head and neck trauma and surgery History of hearing loss and balance disorder

Design outcomes

Primary

Measure	Time frame
Problem solving. Timepoint: At the beginning of the study and after the end of the intervention. Method of measurement: Base on Tower of HANOI Test.;Visual-spatial memory. Timepoint: At the beginning of the study and after the end of the intervention. Method of measurement: Base on Corsi Block-Tapping Task.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSoha Moazeni Taleghani

Kermanshah University of Medical Sciences

Sohamoazeni1377@gmail.com0098838270443

Outcome results

None listed

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