FindTrial
Sign In

The effects of visual stimulation in the form of interior wall images of knotted or knot-free wood using a large plasma display: Crossover test

The effects of visual stimulation in the form of interior wall images of knotted or knot-free wood using a large plasma display: Crossover test - Visual stimulation effects of images of knotted or knot-free wood using a large plasma display

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000034012
Enrollment
30
Registered
2018-09-03
Start date
2018-09-03
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

Healthy person

Interventions

Visual stimulation using an interior wall image of knotted wood (90 s) -&gt
Washout period -&gt
Visual stimulation using an interior wall image of knot-free wood (90 s) -&gt
Visual stimulation using a gray image (90 s) Visual stimulation using an interior wall image of knotted wood (90 s) -&gt
Visual stimulation using a gray image (90 s) -&gt
Visual stimulation using an interior wall image of knot-free wood (90 s) Visual stimulation using an interior wall image of knot-free wood (90 s) -&gt
Visual stimulation using a gray image (90 s) Visual stimulation using an interior wall image of knot-free wood (90 s) -&gt
Visual stimulation using an interior wall image of knotted wood (90 s) Visual stimulation using a gray image (90 s) -&gt

Sponsors

Center for Environment, Health and Field Sciences, Chiba University
Lead Sponsor
1) Forestry and Forest Products Research Institute 2) Kyoto University
Collaborator

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria:

Exclusion criteria

Exclusion criteria: 1) Subjects who are in a poor physical condition 2) Subjects who have a respiratory illness 3) Subjects deemed inappropriate to participate in this study by the principle investigator 4) Subjects with menstruation during the study period 5) Subjects with visual acuity of <20/100 in both eyes

Design outcomes

Primary

MeasureTime frame
1) Prefrontal activity using near-infrared spectroscopy 2) Sympathetic and parasympathetic nervous activity as indicated by heart rate variability 3) Heart rate—

Secondary

MeasureTime frame
1) Profile of Mood State 2) Modified semantic differential method 3) Kwansei Gakuin (KG) daily life questionnaire 4) Trait Anxiety of State-Trait Anxiety Inventory—

Countries

Japan

Contacts

Public ContactYoshifumi Miyazaki

Center for Environment, Health and Field Sciences, Chiba University Natural Therapy Laboratory

ymiyazaki@faculty.chiba-u.jp04-7137-8113

Outcome results

None listed

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