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Official Journal of the Japan Wood Research Society

Table 1 Overview of research on wooden material therapy

From: Physiological effects of wood on humans: a review

Year

Authors

Sense

Physiological indices

Summary

Stimulation/control (stimulation time)

Participants

Article type

Ref Nos.

2016

Ikei et al.

Olfaction

Autonomic nervous activity

Enhancement of parasympathetic nervous activity (measured using HRV)

Decrease in heart rate

*Comparison with control

α-Pinene/air

(90 s)

Female univ. students n = 13

Short communication

[46]

2016

Song et al.

Olfaction

Immune activity (Ref No. [37])

Increase in natural killer cell activity

Comparison with pre-stimulation

Japanese cypress wood oil

(3 nights)

Adult male n = 12

Review

[5]

Brain activity (Ref No. [54])

Decrease in oxy-Hb concentration in the right prefrontal cortex

*Comparison with control

Japanese cypress leaf oil/air

(90 s)

Female univ. students n = 13

Autonomic nervous activity (Ref No. [54])

Enhancement of parasympathetic nervous activity

*Comparison with control

Brain activity (Ref No. [38])

Calming effect on the prefrontal cortex activity

Comparison with pre-stimulation

Japanese cedar chips

(90 s)

Autonomic nervous activity (Ref No. [38])

Decrease in systolic blood pressure

Comparison with pre-stimulation

Autonomic nervous activity (Ref No. [39])

Performed arithmetic tasks

Salivary chromogranin A

Increase: cedar wall panels

No change: no cedar wall panels

Comparison with pre-stimulation

Japanese cedar interior wall panels/no Japanese cedar interior wall panels

(45 min)

Male univ. students n = 16

Brain activity (Ref No. [55])

After performance of a sustained task on a VDT

Decrease in alpha band power

Increase in theta band power

*Comparison with control

Siberian fir leaf oil/air

(40 min)

Male univ. students n = 9

Autonomic nervous activity (Ref No. [55])

After performance of a sustained task on a VDT

Decrease in pulse rate

*Comparison with control

Brain activity (Ref No. [41])

Increase in the amplitude of the early and late CNV components

*Comparison with control

Hiba oil/air

(30 min)

Females of twenties n = 16

Autonomic nervous activity (Ref No. [38])

Decrease in systolic blood pressure

Comparison with pre-stimulation

α-Pinene and limonene

(90 s)

Autonomic nervous activity (Ref No. [45])

Enhancement of parasympathetic nervous activity (measured using HRV)

Decrease in heart rate

*Comparison with control

d-Limonene/air

Brain activity (Ref No. [44])

Calming effect on the left and right prefrontal cortices

*Comparison with control

Japanese cypress chips made by air drying/Japanese cypress chips made by high-temperature drying

Female univ. students n = 19

Vision

Autonomic nervous activity (Ref Nos. [6264])

Plus rate increase: 45% wood; decrease: 30% wood

Diastolic blood pressure

Decrease: 30%

Comparison with pre-stimulation

Actual rooms (13 m2) (30 and 45% wood)

(90 s)

  

Autonomic nervous activity (Ref No. [61])

Systolic blood pressure

Evaluated the Japanese wall panels “like” group: decrease “dislike” group: no change

Evaluated the white steel wall panels

“Dislike” group: increase

Comparison with pre-stimulation

Full-sized Japanese cypress wall panels/white steel wall panels

(90 s)

Male univ. students n = 14

  

Taction

Autonomic nervous activity (Ref No. [74])

Systolic blood pressure and pulse rate

Small fluctuation: Japanese cypress and cedar

Large fluctuation: stainless steel

Japanese cypress, Japanese cedar, and stainless steel board

Autonomic nervous activity (Ref No. [75])

Systolic blood pressure

Increase: aluminum, acrylic plastic, and cold acrylic plastic board

No change: worm aluminum, cedar, cypress, and oak board

Decrease: cold oak board

Comparison with pre-stimulation

Japanese cypress, Japanese cedar, oak, acrylic plastic, and aluminum (cooling, room temperature, and warming)

2015

Ikei et al.

Olfaction

Brain activity

Decrease in oxy-Hb concentration in the right and left prefrontal cortex (measured using TRS)

*Comparison with control

Japanese cypress chips made by air drying/high-temperature drying

(90 s)

Female univ. students n = 19

Short communication

[44]

2015

Ikei et al.

Olfaction

Brain activity

Decrease in oxy-Hb concentration in the right prefrontal cortex (measured using TRS)

*Comparison with control

Japanese cypress leaf oil/air

(90 s)

Female univ. students n = 13

Original article

[54]

Autonomic nervous activity

Enhancement of parasympathetic nervous activity (measured using HRV)

*Comparison with control

2015

Miyazaki et al.

Olfaction

Autonomic nervous activity (Ref No. [38])

Decrease in systolic blood pressure

Comparison with pre-stimulation

α-Pinene and limonene

(90 s)

Review (in Japanese with English abstract)

[60]

Autonomic nervous activity (Ref No. [45])

Enhancement of parasympathetic nervous activity (measured using HRV)

Decrease in heart rate

*Comparison with control

d-Limonene/air

Vision

Autonomic nervous activity (Ref Nos. [6264])

Plus rate

increase: 45% wood; decrease: 30% wood

Diastolic blood pressure

Decrease: 30% wood

Comparison with pre-stimulation

Actual rooms (13 m2) (30 and 45% wood)

Taction

Autonomic nervous activity (Ref No. [74])

Systolic blood pressure and pulse rate

Small fluctuation: Japanese cypress and cedar

Large fluctuation: stainless steel

Japanese cypress, Japanese cedar, and stainless steel board

  

Autonomic nervous activity (Ref No. [75])

Blood pressure

Increase: warmed aluminum

No change: cold cypress, cedar, and oak

Comparison with pre-stimulation

Cold oak, Japanese cedar, Japanese cypress, and warmed aluminum

2015

Burnard and Kutnar

Vision

Autonomic nervous activity (Ref No. [62])

Decrease in pulse rate

*Comparison with designed wooden room

Standard wooden room/designed wooden room

(90 s)

Review

[34]

Autonomic nervous activity (Ref No. [61])

Systolic blood pressure

Evaluated the Japanese wall panels

“Like” group: decrease

“Dislike” group: no change

Evaluated the white steel wall panels

“Dislike” group: increase

Comparison with pre-stimulation

Full-sized Japanese cypress wall panels/white steel wall panels

(90 s)

Brain activity (Ref No. [64])

Total-Hb concentration in the prefrontal cortex (measured using NIRS)

Increase: 0 and 90% wood

No change: 45% wood

Comparison with pre-stimulation

Actual rooms (13 m2) (0, 45, and 90% wood)

(90 s)

Autonomic nervous activity (Ref No. [64])

Plus rate

Increase: 45% wood

No change: 0 and 90% wood

Systolic blood pressure

Decrease: 90% wood

No change: 0 and 45% wood

Diastolic blood pressure

Decrease: 0, 45, and 90% wood

Comparison with pre-stimulation

2014

Joung et al.

Olfaction

Autonomic nervous activity

Enhancement of parasympathetic nervous activity (measured using HRV)

Decrease in heart rate

*Comparison with control

d-Limonene/air

(90 s)

Female univ. students n = 13

Original article

[45]

2014

Matsubara and Kawai

Olfaction

Autonomic nervous activity

Performed arithmetic tasks (U-K test)

Salivary chromogranin A

Increase: cedar wall panels

No change: no cedar wall panels

Comparison with pre-stimulation

Japanese cedar interior wall panels/no Japanese cedar interior wall panels

(45 min)

Male univ. students n = 16

Original article

[39]

2012

Hori et al.

Inhalation (lower airway)

Brain activity

Increase in rCBF in the right and left hippocampus (measured using SPET)

Comparison with pre-stimulation

Cedrol

(10 min)

Totally laryngectomized male participants n = 11

Short communication

[53]

2012

Tsunetsugu et al.

Vision

Autonomic nervous activity (Ref Nos. [6264])

Plus rate

Increase: 45% wood; decrease: 30% wood

Systolic blood pressure

Decrease: 90% wood

Diastolic blood pressure

Decrease: 30 and 90% wood

Comparison with pre-stimulation

Actual rooms (13 m2) (30, 45, and 90% wood)

Book

[38]

Olfaction

Brain activity

Decrease in Total-Hb concentration in the right and left prefrontal cortex (measured using NIRS)

Comparison with pre-stimulation

Japanese cedar chips

(90 s)

Autonomic nervous activity

Decrease in systolic blood pressure

Comparison with pre-stimulation

Brain activity (Ref No. [41])

Increase in the amplitude of the early and late CNV components

*Comparison with control

Hiba oil/air

   

Brain activity

Oxy-Hb concentration in the prefrontal cortex (measured using NIRS)

Increase: “strong” smell of α-pinene

Decrease: “slight” smell of α-Pinene

Comparison with pre-stimulation

α-Pinene (“slight” and “strong” smell)

(90 s)

   

Autonomic nervous activity

Plus rate

Increase: “strong” smell of α-pinene

Systolic blood pressure

Decrease: “slight” smell of α-pinene

Comparison with pre-stimulation

   

Autonomic nervous activity

Decrease in systolic blood pressure

Comparison with pre-stimulation

Limonene

(90 s)

   

Autonomic nervous activity (Ref No.[ 49])

Decrease in heart rate

Decrease in systolic and diastolic blood pressure

Inhibition of sympathetic nervous activity

Enhancement of parasympathetic nervous activity

*Comparison with control

Cedrol/air

  

Inhalation (lower airway)

Autonomic nervous activity (Ref No. [52])

Decrease in systolic and diastolic blood pressure

Inhibition of sympathetic nervous activity

Enhancement of parasympathetic nervous activity

Comparison with pre-stimulation

Cedrol

2011

Miyazaki et al.

Vision

Autonomic nervous activity (Ref Nos. [62, 63])

Decrease in pulse rate

Decrease in diastolic blood pressure

Comparison with pre-stimulation

Actual rooms (13 m2) (30% wood)

Review (in Japanese with English abstract)

[66]

Autonomic nervous activity (Ref No. [61])

Systolic blood pressure

Evaluated the Japanese wall panels

“Like” group: decrease

“Dislike” group: no change

Comparison with pre-stimulation

Full-sized Japanese cypress wall panels/white steel wall panels

2011

Matsubara et al.

Olfaction

Brain activity

After performance of a sustained task on a VDT

Decrease in alpha band power

Increase in theta band power

*Comparison with control

Siberian fir leaf oil/air

(40 min)

Male univ. students n = 9

Original article

[55]

Autonomic nervous activity

After performance of a sustained task on a VDT

Decrease in pulse rate

*Comparison with control

2011

Matsubara et al.

Olfaction

Brain activity

After performance of a sustained task on a VDT

Increase in theta band power:low and high conc.

*Comparison with control

(-)-Bornyl acetate (low and high concentrations)/air

(40 min)

Male univ. students n = 9

Original article

[56]

Autonomic nervous activity

During performance of a sustained task on a VDT

Decrease in heart rate: high conc.

*Comparison with control

After performance of a sustained task on a VDT

Decrease in heart rate: low and high conc.

Inhibition of sympathetic nervous activity: low and high conc.

Comparison with task period 30 min

2011

Matsubara et al.

Olfaction

Autonomic nervous activity

During performance of a sustained task on a VDT

Increase in heart rate: low and high conc.

*Comparison with control

Bay tree leaf oil (low and high concentrations)/air

(45 min)

Male univ. students n = 9

Original article

[57]

Other indices

During performance of a sustained task on a VDT

Increase in rate of true hits: low conc.

*Comparison with control

2011

Kimura et al.

Vision and olfaction (complex)

Autonomic nervous activity

Decrease in salivary amylase activity: wooden room (coverage 20.6%)

*Comparison with control

Decrease in systolic and diastolic blood pressure: wooden rooms (20.6, 42.8, and 68.0%)

Comparison with pre-stimulation

Actual-size model Hiba wooden rooms (coverage 20.6, 42.8, and 68.0%)/no Hiba wood room (0.0%)

(180 s)

Univ. students n = 14 (male n = 7, female n = 7)

Original article (in Japanese with English abstract)

[65]

2010

Tsunetsugu et al.

Olfaction

Brain activity

Decrease in oxy-Hb concentration in the prefrontal cortex (measured using NIRS)

Decrease in total-Hb concentration in the prefrontal cortex (measured using NIRS)

Comparison with pre-stimulation

Japanese mountain cherry wood chips

(2 min)

Males of twenties n = 20

Original article (in Japanese with English abstract)

[42]

Autonomic nervous activity

Decrease in pulse rate

Decrease in salivary amylase activity

Comparison with pre-stimulation

2010

Tsunetsugu et al.

Vision

Autonomic nervous activity (Ref Nos. [6264])

Plus rate

Increase: 45% wood; decrease: 30% wood

Systolic blood pressure

Decrease: 90% wood

Diastolic blood pressure

Decrease: 30 and 90% wood

Comparison with pre-stimulation

Actual rooms (13 m2) (30, 45, and 90% wood)

Review

[35]

Olfaction

Brain activity (Ref No. [41])

Increase in the amplitude of the early and late CNV components

*Comparison with control

Hiba oil/air

Autonomic nervous activity (Ref No. [21])

Decrease in systolic blood pressure

Comparison with pre-stimulation

Taiwan cypress wood oil

Autonomic nervous activity (Ref No. [49])

Decrease in heart rate

Decrease in systolic and diastolic blood pressure

Inhibition of sympathetic nervous activity

Enhancement of parasympathetic nervous activity

*Comparison with control

Cedrol/air

Inhalation

Autonomic nervous activity (Ref No. [52])

Decrease in systolic and diastolic blood pressure

Inhibition of sympathetic nervous activity

Enhancement of parasympathetic nervous activity

Comparison with pre-stimulation

Cedrol

Taction

Autonomic nervous activity (Ref No. [75])

Blood pressure

increase: warmed aluminum

No change: cold oak

Comparison with pre-stimulation

Cold oak and warmed aluminum

2010

Nyrud and Bringslimark

Taction

Autonomic nervous activity (Ref No. [75])

Systolic blood pressure

Increase: aluminum, acrylic plastic, and cold acrylic plastic board

No change: cedar, cypress, and oak board

Decrease: cold oak board

Comparison with pre-stimulation

Japanese cypress, Japanese cedar, oak, acrylic plastic, and aluminum (cool, room temperature, and warm)

Review

[68]

Autonomic nervous activity (Ref No. [74])

Systolic blood pressure and pulse rate

Small fluctuation: Japanese cypress and cedar

Large fluctuation: stainless steel and denim

Japanese cypress, Japanese cedar, stainless steel board, and denim

Vision

Brain activity (Ref No. [64])

Total-Hb concentration in the prefrontal cortex (measured using NIRS)

Increase: 0 and 90% wood

No change: 45% wood

Comparison with pre-stimulation

Actual rooms (13 m2) (0, 45, and 90% wood)

   

Autonomic nervous activity (Ref No. [64])

Plus rate

Increase: 45% wood

No change: 0 and 90% wood

Systolic blood pressure

Decrease: 90% wood

No change: 0 and 45% wood

Diastolic blood pressure

Decrease: 0, 45, and 90% wood

Comparison with pre-stimulation

     

Autonomic nervous activity (Ref No. [61])

Systolic blood pressure

Evaluated the Japanese wall panels

“Like” group: decrease

“Dislike” group: no change

Evaluated the white steel wall panels

“Dislike” group: increase

Comparison with pre-stimulation

Full-sized Japanese cypress wall panels/white steel wall panels

Brain activity (Ref No. [63])

Total-Hb concentration in the prefrontal cortex (measured using NIRS)

Increase: standard and designed room

Comparison with pre-stimulation

Standard and designed wooden room

Autonomic nervous activity (Ref No. [63])

Pulse rate

Decrease: standard room

Increase: designed room

Diastolic blood pressure

No change: designed room

Decrease: Standard room

Comparison with pre-stimulation

2009

Li et al.

Olfaction

Immune activity

Increase in natural killer cell activity

Comparison with pre-stimulation

Japanese cypress wood oil

(3 nights)

Adult male

n = 12

Original article

[37]

Endocrine activity

Decrease in adrenaline concentration in urine

Decrease in noradrenaline concentration in urine

Comparison with pre-stimulation

2008

Sakuragawa et al.

Taction

Autonomic nervous activity

Systolic blood pressure

Increase: aluminum, acrylic plastic, and cold acrylic plastic board

No change: cedar, cypress, and oak board

Decrease: cold oak board

Comparison with pre-stimulation

Japanese cypress, Japanese cedar, oak, acrylic plastic, and aluminum (cool, room temperature, and warm)

(60 s)

Male univ. students n = 13

Original article

[75]

2008

Umeno et al.

Inhalation

Autonomic nervous activity

Decrease in systolic and diastolic blood pressure

Inhibition of sympathetic nervous activity (measured using HRV)

Enhancement of parasympathetic nervous activity (measured using SBPV and DBPV)

Comparison with pre-stimulation

Cedrol

(10 min)

Totally laryngectomized male participants n = 11

Original article

[52]

2007

Sadachi et al.

Olfaction

Autonomic nervous activity

Increase in miosis rate

Comparison with pre-stimulation

Cedrol

(60 s)

American females n = 142

Original article

[51]

2007

Yada et al.

Olfaction

Autonomic nervous activity

Increase in miosis rate

Comparison with pre-stimulation

Cedrol

(60 s)

Females n = 178 (Japanese n = 64, Thai n = 57, Norwegian n = 57)

Original article

[50]

2007

Tsunetsugu et al.

Vision

Brain activity

Total-Hb concentration in the prefrontal cortex (measured using NIRS)

Increase: 0 and 90% wood

No change: 45% wood

Comparison with pre-stimulation

Actual rooms (13 m2) (0, 45, and 90% wood)

(90 s)

Male univ. students n = 15

Original article

[64]

Autonomic nervous activity

Plus rate

Increase: 45% wood

No change: 0 and 90% wood

Systolic blood pressure

Decrease: 90% wood

No change: 0 and 45% wood

Diastolic blood pressure

Decrease: 0, 45, and 90% wood

Comparison with pre-stimulation

2007

Tsunetsugu et al.

Vision

Autonomic nervous activity (Ref Nos. [63, 64])

Plus rate

Increase: 45% wood; decrease: 30% wood

Systolic blood pressure

Decrease: 90% wood

Diastolic blood pressure

Decrease: 30 and 90% wood

Comparison with pre-stimulation

Actual rooms (13 m2) (30, 45, and 90% wood)

(90 s)

Review (in Japanese)

[67]

Audition

Autonomic nervous activity (Ref No. [71])

Systolic blood pressure

Increase: 50, 100 and 150 cm

Peripheral blood flow

Decrease: 50, 100 and 150 cm

Comparison with pre-stimulation

Single heavy floor impact sound (falling of an automobile tire from 50, 100, and 150 cm above upstairs floor)

2005

Sakuragawa et al.

Vision

Autonomic nervous activity

Systolic blood pressure

Evaluated the Japanese wall panels

“Like” group (n = 5): decrease

“Dislike” group (n = 5): no change

Evaluated the white steel wall panels

“Dislike” group (n = 9): increase

Comparison with pre-stimulation

Full-sized Japanese cypress wall panels/white steel wall panels

(90 s)

Male univ. students n = 14

Original article

[61]

2005

Tsunetsugu et al.

Vision

Brain activity

Total-Hb concentration in the prefrontal cortex (measured using NIRS)

Increase: standard and designed room

Comparison with pre-stimulation

Standard and designed wooden room

(90 s)

Male univ. students n = 15

Original article

[63]

Autonomic nervous activity

Pulse rate

Decrease: standard room

Increase: designed room

Diastolic blood pressure

No change: designed room

Decrease: standard room

Comparison with pre-stimulation

2004

Sueyoshi et al.

Audition

Autonomic nervous activity

Systolic blood pressure

Increase: 60 and 80 dBA

Comparison with pre-stimulation

Light floor impact sounds by tapping machine (60 and 80 dBA)/absence of impact sound (47 dBA)

(5 min)

Males of twenties n = 9

Original article

[70]

2004

Sueyoshi et al.

Audition

Autonomic nervous activity

Systolic blood pressure

Increase: 50, 100, and 150 cm

Peripheral blood flow

Decrease: 50, 100, and 150 cm

Comparison with pre-stimulation

Single heavy floor impact sounds by falling of the automobile tire (from 50, 100, and 150 cm above upstairs floor)

(60 s)

Males in 20s n = 10

Original article

[71]

2004

Sueyoshi

Audition

Autonomic nervous activity (Ref No. [71])

Systolic blood pressure

Increase: 50, 100 and 150 cm

Peripheral blood flow

Decrease: 50, 100 and 150 cm

Comparison with pre-stimulation

Single heavy floor impact sounds from a falling automobile tire (from 50, 100, and 150 cm above the upstairs floor)

Review (in Japanese with English abstract)

[73]

Autonomic nervous activity (Ref No. [70])

Systolic blood pressure

Increase: 60 and 80 dBA

Comparison with pre-stimulation

Light floor impact sounds by tapping machine (60 and 80 dBA)/absence of impact sound (47 dBA)

2003

Dayawansa et al.

Olfaction

Autonomic nervous activity

Decrease in heart rate

Decrease in systolic and diastolic blood pressure

Inhibition of sympathetic nervous activity (measured using HRV)

Enhancement of parasympathetic nervous activity (measured using HRV)

*Comparison with control

Cedrol/air

(10 min)

Adults n = 26 (male n = 10, female n = 16)

Original article

[49]

2002

Tsunetsugu et al.

Vision

Autonomic nervous activity

Decrease in pulse rate

*Comparison with designed wooden room

Standard wooden room/designed wooden room

(90 s)

Male univ. students n = 10

Original article

[62]

2002

Hiruma et al.

Olfaction

Brain activity

Increase in the amplitude of the early and late CNV components

*Comparison with control

Hiba oil/air

(30 min)

Females of twenties n = 16

Original article

[41]

1998

Morikawa et al.

Taction

Autonomic nervous activity

Systolic blood pressure and pulse rate

Small fluctuation: Japanese cypress and cedar

Large fluctuation: stainless steel and denim

Japanese cypress, Japanese cedar, stainless steel board, and denim

(60 s)

Female univ. students n = 19

Short communication

[74]

1998

Miyazaki et al.

Olfaction

Autonomic nervous activity (Ref No. [21])

Systolic blood pressure

Decrease: Taiwan cypress wood oil

Pulse rate

Increase: eugenol

Comparison with pre-stimulation

Taiwan cypress wood oil and eugenol

Review (in Japanese)

[59]

1996

Terauchi et al.

Olfaction

Brain activity

Early CNV amplitudes at Fz

Decrease: 7 kinds of coniferous wood flour

Alpha/beta wave ratio of EEG at Cz

Increase: Hiba wood flour

*Comparison with control

Seven kinds of coniferous wood flour/air

Univ. and grad. students n = 10 (male n = 5, female n = 5)

Original article (in Japanese with English abstract)

[40]

1995

Sueyoshi and Miyazaki

Audition

Brain activity

Alpha waves of EEG

Decrease: 74 and 78 dBA

Theta waves of EEG

Decrease: 63 dBA

*Comparison with control

Light floor impact sounds by tapping machine (54, 63, 73, and 78 dBA)/absence of impact sound (47 dBA)

(90 s)

Female n = 14

Original article

[69]

Other indices

Operation efficiency test (letter cancellation test)

Increase mistake: 65 dBA

*Comparison with control

1995

Fukuda and Kaneko

Olfaction

Brain activity

Incidence of alpha waves of EEG

Increase: Japanese umbrella-pine, Japanese white pine, and Japanese zelkova

Comparison with pre-stimulation

Wood specimen of 15 species of major trees in Japan

(2 min)

Univ. students n = 50 (male n = 25, female n = 25)

Original article (in Japanese)

[43]

1994

Miyazaki et al.

Olfaction

Autonomic nervous activity

Diastolic blood pressure

decrease: “strong” smell of Taiwan cypress wood oil

The maximum constriction acceleration

Increase: “strong” smell of Taiwan cypress wood oil

*Comparison the control

Taiwan cypress wood oil (“weak”, “easily”, and “strong” smell)/air

Female univ. students n = 6

Original article (in Japanese with English abstract)

[36]

1993

Miyazaki et al.

Olfaction

Autonomic nervous activity (Ref No. [21])

Systolic blood pressure

Decrease: Taiwan cypress wood oil

Pulse rate

Increase: eugenol

Comparison with pre-stimulation

Taiwan cypress wood oil and eugenol

Review (in Japanese)

[58]

1992

Miyazaki et al.

Olfaction

Autonomic nervous activity

Systolic blood pressure

Decrease: Taiwan cypress wood oil

Pulse rate

Increase: eugenol

Comparison with pre-stimulation

Taiwan cypress wood oil and eugenol

(30 min)

Male univ. students n = 6

Original article (in Japanese with English abstract)

[21]

  1. CNV contingent negative variations; conc. concentration, DBPV diastolic blood pressure variability, EEG electroencephalogram, HRV heart rate variability, NIRS near-infrared spectroscopy, oxy-Hb oxy-hemoglobin, rCBF regional cerebral blood flow, SBPV systolic blood pressure variability, SPET single-photon emission tomography, TRS time-resolved spectroscopy, U-K test Uchida–Kraepelin test, univ. university, VDT visual display unit