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A fundamental study on characteristics of the sound likely to sustain attentiveness -a randomized, single blind, crossover, comparative study, for healthy adults-

A fundamental study on characteristics of the sound likely to sustain attentiveness -a randomized, single blind, crossover, comparative study, for healthy adults- - A fundamental study on characteristics of the sound likely to sustain attentiveness -a randomized, single blind, crossover, comparative study, for healthy adults-

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000046624
Enrollment
30
Registered
2023-02-12
Start date
2022-01-14
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Healthy subjects

Interventions

Subjects are instructed to listen to test sound 1 for 10 minutes. Subjects are instructed to listen to test sound 2 for 10 minutes.

Sponsors

IMEQRD Co., Ltd
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1. Japanese male, age between 20 and 49 years at the time of informed consent 2. Those who do not have impairment in the sense of hearing 3. Those who have not been contracting eye diseases, such as cataract, infection, injury, and squint for the past half year 4. Those who do not use contact lens for astigmatism nor those of hard type 5. Those who do not work rotational shifts nor at night 6. Those who can come to the designated facility on test days

Exclusion criteria

Exclusion criteria: 1. Those who have any chronic disease or impairment in the liver, the bile duct, the digestive system, the respiratory system, the kidney, the urinary system, the mental and nervous system, or the blood circulatory system 2. Those who are joining or planning to join other clinical trials during this trial 3. Those whose measured values for ocular movement are not accurate due to the reasons such as astigmatism 4. Those whose measured values for skin conductance or heart rate are not accurate 5. Those who are never aware of mind-wandering during screening test 6. Those who are judged by the principal investigator as being unsuitable for this trial due to the reasons such as usage of drugs or dietary supplements, and the bedtime and awakening hours.

Design outcomes

Primary

MeasureTime frame
The number of times of subjective mind-wandering

Secondary

MeasureTime frame
Indices concerning ocular movement Skin conductance Heart rate and heart rate variability Vas questionnaire to evaluate mental state

Countries

Japan

Contacts

Public ContactYoshitada Hira

IMEQRD Co., Ltd Sales department

y-hira@imeqrd.co.jp03-6704-5968

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026