Effects of Natural Sounds on Attention Restoration Outdoors
NEO
1 other identifier
interventional
60
1 country
1
Brief Summary
This study aims to examine whether listening to natural sounds in a noisy outdoor environment compared to no natural sounds influences behavioural, cognitive, affective, and physiological markers.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Oct 2022
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 5, 2022
CompletedStudy Start
First participant enrolled
October 24, 2022
CompletedFirst Posted
Study publicly available on registry
January 11, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 15, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
May 15, 2023
CompletedMarch 23, 2023
March 1, 2023
5 months
September 5, 2022
March 21, 2023
Conditions
Outcome Measures
Primary Outcomes (5)
Reverse Corsi Task (Change)
Change in Span and Reaction Time
baseline and up to 60 mins after sound intervention
Go/NoGo Task (Change)
Change in Accuracy and Reaction Time
baseline and up to 60 mins after sound intervention
Change in Heart Rate Variability
Electrocardiograph and photoplethysmograph (Change)
1 day (during fatiguing task and sound intervention)
Positive and Negative Affect Schedule - Expanded Form
Positive and Negative Affect Score
up to 60 mins after sound intervention
Fatigue State Questionnaire (Change)
Change in Fatigue State Questionnaire Score
baseline and up to 60 mins after sound intervention
Secondary Outcomes (1)
Perceived Restorativeness Soundscape Scale
up to 60 mins after sound intervention
Study Arms (2)
Outdoor Environment
ACTIVE COMPARATORExposure to outdoor environmental noise
Outdoor Environment with Machine-Learning Selected Masking Sounds
EXPERIMENTALExposure to outdoor environmental noise and masking sounds
Interventions
Masking sounds will be played from outdoor speakers.
Eligibility Criteria
You may qualify if:
- Singapore-based
- Non-clinical
- years
You may not qualify if:
- Individuals with hearing difficulties or failing to meet the minimal threshold for normal hearing
- Individuals with a history of ear, developmental, neurological, or psychiatric disorder
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Nanyang Technological Universitylead
- National Research Foundation, Singaporecollaborator
- Ministry of National Development, Singaporecollaborator
- Housing and Development Board, Singaporecollaborator
Study Sites (1)
Cultural Science Innovations, Nanyang Technological University
Singapore, 639798, Singapore
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor
Study Record Dates
First Submitted
September 5, 2022
First Posted
January 11, 2023
Study Start
October 24, 2022
Primary Completion
March 15, 2023
Study Completion
May 15, 2023
Last Updated
March 23, 2023
Record last verified: 2023-03
Data Sharing
- IPD Sharing
- Will not share