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March 8, 2026BuildingsOpen Access

Aroma Olfactory Intervention: Enhancing Stress Recovery via Brain Neural Activity Modulation

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Authors

QRQianchun RuanCDChenhui DaiYLYuying Lin

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Overview

Experimental analysis reveals aroma improves functional connectivity linked to stress recovery in indoor environments, suggesting its mental health benefits.

Key Points

  • To evaluate the impact of aroma on stress recovery and its relation to brain neural activity.
  • Induced stress in 24 participants using difficult arithmetic tasks in a controlled laboratory setting.
  • Recorded EEG data during exposure to lavender essential oil, blended essential oil, or without aroma.
  • Analyzed EEG microstates and functional connectivity to assess the effects of aroma on stress.
  • Stress reduced microstate C frequency and increased A-D transition probability during tasks.
  • Aromas reversed neural abnormalities toward baseline levels after exposure.
  • The blended essential oil significantly enhanced theta-band functional connectivity, indicating superior stress relief.

Cite This Study

Ruan et al. (2026) studied this question.

synapsesocial.com/papers/69acc5b032b0ef16a40503e9https://doi.org/10.3390/buildings16051038
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Also Consider

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

  1. 1Evaluation of the inhalation of lavender oil on physiological and psychological effects: A pilot study2024 · 2 citations
  2. 2“Neuroaromatics” : Aromatherapy and the Limbic Stress Response2025
  3. 3Optimizing workplace emotional states: Evidence from aromatic environmental exposure2025
  4. 4Two-week essential oil inhalation treatment modulates the cortisol awakening response and improves self-reported symptoms in stressed adults2026
  5. 5Lavender Essential Oil Inhalation Improves Attentional Shifting and Accuracy: Evidence from Dynamic Changes of Cognitive Flexibility and Power Spectral Density of Electroencephalogram Signals2024 · 15 citations