Effects of Natural Sounds on Attention Restoration in Noisy Environment

Summary

This study aims to examine whether listening to natural sounds in a noisy (traffic) environment compared to traffic noise only impacts behavioural, cognitive, affective, and physiological markers associated with attention restoration. Attention restoration will be examined as an aspect of cognitive fatigue.

Conditions

• Cognitive Fatigue
• Mental Fatigue
• Heart Rate Variability
• Skin Conductance
• Behavioral Performance
• Positive and Negative Affect
• Inhibition
• Working Memory
• Perceived Restoration

Interventions

OTHER

Baseline

5-min urban park video clip (Presented on a TV)

OTHER

Fatigue Manipulation

20-min 2-back task (Presented on a computer)

OTHER

Traffic Sound

Active Comparator: Traffic Sound (Played through speakers)

OTHER

Traffic and Masking Sound

Experimental: Traffic and Masking Sound (Played through speakers)

OTHER

Silence

No Intervention: No sound (Played through speakers)

Sponsors & Collaborators

• National Research Foundation, Singapore

  collaborator OTHER_GOV

• Ministry of National Development, Singapore

  collaborator OTHER_GOV

• Housing and Development Board, Singapore

  collaborator OTHER_GOV

• Nanyang Technological University

  lead OTHER

Study Design

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Model

PARALLEL

Eligibility

Min Age

18 Years

Max Age

35 Years

Sex

ALL

Healthy Volunteers

Yes

Timeline & Regulatory

Start

2021-08-25

Primary Completion

2023-05-15

Completion

2023-06-15

Countries

• Singapore

Study Locations