Effects ofacoustic columnar diffuser-associated environment on the activity of autonomic nervous system in healthy human subjects

Effects ofacoustic columnar diffuser-associated environment on the activity of autonomic nervous system in healthy human subjects - Effects ofacoustic columnar diffuse on the activity of autonomic nervous system in healthy human subjects

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000035963

Enrollment

Registered

2019-02-25

Start date

2019-02-25

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

sham control (cold stimulation on a hand under normal acoustic environment for 30 s) Cold stimulation is induced by immersion of the hand in ice water (4 oC) for 30 s. Two trials with 45-60-min inte

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: healthy male Age 20-30 years

Exclusion criteria

Exclusion criteria: having any diseases or injuries under medical treatment(s) having any medications earing hearing aid(s)

Design outcomes

Primary

Measure	Time frame
Acute responses in the activity of autonomic nervous system evaluated by heart rate variability (HRV) to clod stimulation	—

Countries

Japan

Contacts

Public ContactKatsumasa Goto

Graduate School of Health Sciences, Toyohashi SOZO University Department of Physiology

goto@sozo.ac.jp050-2017-2272

Outcome results

None listed

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