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February 28, 2007Technology and Health Care

Lavender fragrance stimulus increased parasympathetic tone (increased HF component and decreased LF/HF ratio) and induced regional metabolic activation in specific brain regions including the orbitofrontal cortex and brainstem.

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Why the study?

Does lavender fragrance stimuli alter autonomic tone and cerebral activity in healthy young women?

Population

10 healthy young women, mean age 23+/-3 years

Comparison

Lavender fragrance stimuli vs Baseline (before stimuli)

Design

Other

Follow-up

Up to 30 minutes

Authors

XDXudong DuanMTManabu TashiroDWDi Wu

Discussion

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Overview

May support adjunctive relaxation strategies; leaves open clinical utility in autonomic or cardiovascular disorders pending randomized trials.

Structured PICO

Does lavender fragrance stimuli alter autonomic tone and cerebral activity in healthy young women?

P
Population
10 healthy young women, mean age 23+/-3 years
I
Intervention
Lavender fragrance stimuli
C
Comparator
Baseline (before stimuli)
O
Outcome
Changes in autonomic tone measured by heart rate variability (HRV) indices (nLF, nHF, LF/HF ratio) and regional metabolic activation measured by positron emission tomography (PET)surrogate

Lavender aromatic immersion increases parasympathetic tone and alters regional cerebral metabolic activity, suggesting both relaxation and increased arousal.

Cite This Study

Duan et al. (2007) studied this question.

synapsesocial.com/papers/6a763ef2dd478a52beb1b86fhttps://doi.org/10.3233/thc-2007-15201
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effect of Lavender Essential Oil Topical Treatment on the Autonomic Nervous System in Human Subjects Without Olfactory Influence: A Pilot Study2024
  2. 2Heart Rate Variability Sensing Can Reveal Characteristic Autonomic Modulation via Aromatherapy in Relation to the Effects on Feeling: A Study on Citrus Aurantium Oil and Rose Water2025
  3. 3Effect of Olfactory Stimulation by Fresh Rose Flowers on Autonomic Nervous Activity2014 · 73 citations
  4. 4The Effect of Lavender Aromatherapy on Autonomic Nervous System in Midlife Women with Insomnia2011 · 136 citations
  5. 5Effect of olfactory stimulation from aromatherapy on the autonomic nervous activity during aerobic exercises2023