Effects of touching, olfactory, and auditory comfort stimuli on brain activation

Effects of touching, olfactory, and auditory comfort stimuli on brain activation From respiration, saliva, EEG, finger pulse wave, heart rate and psychological measures

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1030240324

Enrollment

Registered

2024-09-10

Start date

2024-09-05

Completion date

Unknown

Last updated

2025-07-18

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

Conditions

To help healthy people to become indicators of a comfortable life in an aging society.

Interventions

The psychological scales, VAS and STAI, are measured before and after the stimulation, and respiration, saliva, EEG, finger pulse wave, and heart rate are measured from the beginning to the end of the

D003695

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy adults who are between 20 and 85 years of age at the time consent is obtained Subjects who have given written consent to participate in this study

Exclusion criteria

Exclusion criteria: Subjects deemed ineligible for this study by the principal investigator Subjects with underlying diseases Subjects allergic to fragrant osmanthus, etc.

Design outcomes

Primary

Measure	Time frame
Respiratory rate measured during and before and after tactile, olfactory, and auditory stimulation	—

Secondary

Measure	Time frame
Rate of change in EEG, finger tip pulse wave, and heart rate for tactile, olfactory, and auditory stimuli, as well as oxytocin and cortisol, alpha amylase, testosterone, and estradiol in collected saliva	—

Countries

Japan, no

Contacts

Public ContactTanaka Akiko

School of Nursing and Rehabilitation Schiences Showa University

akiko-t@nr.showa-u.ac.jp+81-45-985-6528

Outcome results

None listed

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