Heart rate and heart rate variability in infants during olfactory stimulation
Background: Various plant odours have been shown to decrease heart rate and increase parasympathetic nervous activity. However, ‘innate’ autonomic responses without the influences of experience, assumptions and prejudices of odours remains unclear. Aim: To clarify changes in heart rate and heart rat...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Taylor & Francis Group
2019-05-01
|
| Series: | Annals of Human Biology |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1080/03014460.2019.1622775 |
| _version_ | 1797685574414368768 |
|---|---|
| author | Yuko Tsunetsugu Keita Ishibashi |
| author_facet | Yuko Tsunetsugu Keita Ishibashi |
| author_sort | Yuko Tsunetsugu |
| collection | DOAJ |
| description | Background: Various plant odours have been shown to decrease heart rate and increase parasympathetic nervous activity. However, ‘innate’ autonomic responses without the influences of experience, assumptions and prejudices of odours remains unclear. Aim: To clarify changes in heart rate and heart rate variability in infants while presenting different components of plant odours. Subjects and methods: The study participants included 17 infants aged 1–3.5 months. Each infant was exposed to the odours of α-pinene, D-limonene and air (as a control) for 2 minutes after a 2-minute resting period without any odours. The intervals of heartbeat (R-R intervals) were recorded during this process. Results: Heart rate significantly decreased in response to the odour of limonene. Frequency analysis of heart rate variability revealed that the power value at 0.2 Hz was significantly higher during the odour presentation of limonene compared to the baseline and that at 0.1 Hz and 0.4 Hz was significantly lower during α-pinene presentation. Conclusion: Autonomic responses to specific natural odours may be partly shaped innately, while underlying physiological mechanisms may be different between infants and adults. |
| first_indexed | 2024-03-12T00:47:09Z |
| format | Article |
| id | doaj.art-79d14694bd9f4ce9a84e06b4a54d94df |
| institution | Directory Open Access Journal |
| issn | 0301-4460 1464-5033 |
| language | English |
| last_indexed | 2024-03-12T00:47:09Z |
| publishDate | 2019-05-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Annals of Human Biology |
| spelling | doaj.art-79d14694bd9f4ce9a84e06b4a54d94df2023-09-14T15:36:10ZengTaylor & Francis GroupAnnals of Human Biology0301-44601464-50332019-05-0146434735310.1080/03014460.2019.16227751622775Heart rate and heart rate variability in infants during olfactory stimulationYuko Tsunetsugu0Keita Ishibashi1The University of TokyoChiba UniversityBackground: Various plant odours have been shown to decrease heart rate and increase parasympathetic nervous activity. However, ‘innate’ autonomic responses without the influences of experience, assumptions and prejudices of odours remains unclear. Aim: To clarify changes in heart rate and heart rate variability in infants while presenting different components of plant odours. Subjects and methods: The study participants included 17 infants aged 1–3.5 months. Each infant was exposed to the odours of α-pinene, D-limonene and air (as a control) for 2 minutes after a 2-minute resting period without any odours. The intervals of heartbeat (R-R intervals) were recorded during this process. Results: Heart rate significantly decreased in response to the odour of limonene. Frequency analysis of heart rate variability revealed that the power value at 0.2 Hz was significantly higher during the odour presentation of limonene compared to the baseline and that at 0.1 Hz and 0.4 Hz was significantly lower during α-pinene presentation. Conclusion: Autonomic responses to specific natural odours may be partly shaped innately, while underlying physiological mechanisms may be different between infants and adults.http://dx.doi.org/10.1080/03014460.2019.1622775autonomic nervous systemelectrocardiographyfrequency analysisolfactory stimulation |
| spellingShingle | Yuko Tsunetsugu Keita Ishibashi Heart rate and heart rate variability in infants during olfactory stimulation Annals of Human Biology autonomic nervous system electrocardiography frequency analysis olfactory stimulation |
| title | Heart rate and heart rate variability in infants during olfactory stimulation |
| title_full | Heart rate and heart rate variability in infants during olfactory stimulation |
| title_fullStr | Heart rate and heart rate variability in infants during olfactory stimulation |
| title_full_unstemmed | Heart rate and heart rate variability in infants during olfactory stimulation |
| title_short | Heart rate and heart rate variability in infants during olfactory stimulation |
| title_sort | heart rate and heart rate variability in infants during olfactory stimulation |
| topic | autonomic nervous system electrocardiography frequency analysis olfactory stimulation |
| url | http://dx.doi.org/10.1080/03014460.2019.1622775 |
| work_keys_str_mv | AT yukotsunetsugu heartrateandheartratevariabilityininfantsduringolfactorystimulation AT keitaishibashi heartrateandheartratevariabilityininfantsduringolfactorystimulation |