Healthy adults
Conditions
Interventions
Lavender flavor
Odorless
Sponsors
Institute of Development, Aging and Cancer, Tohoku University
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: -Native Japanese speakers -Individuals who do not experience strong aversion to the scent of lavender -Right-handed individuals -Individuals who have never been diagnosed by a doctor with a smell disorder -Individuals with no fragrance allergies -Non-smokers
Exclusion criteria
Exclusion criteria: -Individuals who have been diagnosed by a physician with a disorder of the sense of smell -Individuals with chronic rhinitis or other conditions that may affect the sense of smell -Individuals who are pregnant or breastfeeding -Individuals with a history of severe mental illness or currently undergoing treatment for such conditions -Individuals with a history of severe neurological disorders (e.g., epilepsy, severe traumatic brain injury, central nervous system disorders) or currently suffering from progressive neurological diseases -Individuals with severe respiratory diseases or a history of asthma attacks, for whom exposure to fragrances poses a health risk -Currently undergoing psychotherapy; -Unable to provide informed consent; -History of severe allergic reactions to fragrances (e.g., anaphylaxis) or significant fragrance intolerance; -Physical or cognitive limitations that would interfere with study participation; -Any other individuals whom the principal investigator determines would compromise the safety or validity of the data in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Subjective Assessment of Anxiety | — |
Secondary
| Measure | Time frame |
|---|---|
| The "Quality of Task Preparation" During the Anticipatory Anxiety Phase and Prefrontal Cortex Activity Measured by Functional Near-Infrared Spectroscopy (fNIRS) | — |
Countries
Japan
Contacts
Public ContactKiwa Tanaka
Institute of Development, Aging and Cancer, Tohoku University Clinical Geriatrics Research Division
Outcome results
None listed