Acupuncture Relaxation, Vigilance Stage, and Autonomic Nervous System Function: A Comparative Study of Their Interrelationships

Uchida, Chikako; Waki, Hideaki; Minakawa, Yoichi; Tamai, Hideaki; Miyazaki, Shunichi; Hisajima, Tatsuya; Imai, Kenji

doi:10.1089/acu.2020.1420

Cited by 4 publications

(5 citation statements)

References 25 publications

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“…46 As previously reported, relaxation and vigilance after acupuncture treatment were associated with autonomic nervous system and brain oscillation patterns. 27 Furthermore, a pain-induced gamma wave was significantly reduced after acupuncture treatment. 47 Taken together, these findings indicate that enhanced slow waves and decreased fast waves following acupuncture treatment might be derived from relaxation states due to the expectation of acupuncture treatment.…”

Section: Discussionmentioning

confidence: 94%

“…The ratio (%) for the power value of each background EEG activity was calculated using a formula similar to that in a previous study 27 : delta ratio (%) = power of delta wave/sum of each power value × 100. The theta ratio (%), alpha ratio (%), beta ratio (%), and gamma ratio (%) were calculated in a similar manner.…”

Section: Electroencephalography Recording and Analysismentioning

confidence: 99%

“…No significant differences in number of rejected data were found between conditions (F = 2.58, p > 0.05). Based on the power spectrum obtained by frequency analysis, the power values for each frequency bandwidth were calculated for delta waves (1-4 Hz), theta waves (4-8 Hz), alpha waves (8-12 Hz), beta waves (12-25 Hz), and gamma waves (25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37)(38)(39)(40).…”

Section: Electroencephalography Recording and Analysismentioning

confidence: 99%

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The role of visual expectations in acupuncture analgesia: A quantitative electroencephalography study

Choi

Lee

et al. 2022

Mol Pain

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Acupuncture is a complex treatment comprising multisensory stimulation, including visual and tactile sensations and experiences of body ownership. The purpose of this study was to investigate the role of these three components of acupuncture stimulation in acupuncture analgesia. 40 healthy volunteers participated in the study and received acupuncture treatment under three different conditions (real-hand, rubber-hand synchronous, and rubber-hand asynchronous). The tolerance for heat pain stimuli was measured before and after treatment. Brain oscillation changes were also measured using electroencephalography (EEG). The pain tolerance was significantly increased after acupuncture treatment under all three conditions. Noticeable deqi (needle) sensations in response to acupuncture stimulation of the rubber hand were found under both rubber-hand synchronous and rubber-hand asynchronous conditions. Deqi sensations were significantly correlated with acupuncture analgesia only under the rubber-hand synchronous condition. Increased delta and decreased theta, alpha, beta, and gamma waves were observed after acupuncture treatment under all three conditions. Our findings clarified the role of cognitive components of acupuncture treatment in acupuncture analgesia through the rubber-hand illusion. This study is a first step toward separating various components of acupuncture analgesia, i.e. visual, tactile, and body ownership, and utilizing those components to maximize analgesic effects.

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Section: Discussionmentioning

confidence: 94%

Section: Electroencephalography Recording and Analysismentioning

confidence: 99%

Section: Electroencephalography Recording and Analysismentioning

confidence: 99%

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The role of visual expectations in acupuncture analgesia: A quantitative electroencephalography study

Choi

Lee

et al. 2022

Mol Pain

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“…Strong coupling between SA1 and SA2 was associated with a greater decrease in HR. Studies with acupuncture stimulation showed parasympathetic cardiac response during stimulations (Nishijo et al, 1997;Uchida et al, 2018;Nakahara et al, 2021), which could be induced by neural circuitry under the brain stem (Guyenet, 2006;Liu et al, 2020). Neuroimaging studies have reported cardiac associations with brain regions of SA1 and SA2, including aIns (Guo et al, 2016), PAG, and pIns (Napadow et al, 2008;Beissner et al, 2013), which suggests that somatosensory perception and reaction are related to the parasympathetic cardiac response.…”

Section: Discussionmentioning

confidence: 99%

Cognitive and affective interaction with somatosensory afference in acupuncture–a specific brain response to compound stimulus

Jung

Kim

Park

2023

Front. Hum. Neurosci.

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IntroductionAcupuncture is a clinical intervention consisting of multiple stimulus components, including somatosensory stimulation and manipulation of therapeutic context. Existing findings in neuroscience consolidated cognitive modulation to somatosensory afferent process, which could differ from placebo mechanism in brain. Here, we aimed to identify intrinsic process of brain interactions induced by compound stimulus of acupuncture treatment.MethodsTo separately and comprehensively investigate somatosensory afferent and cognitive/affective processes in brain, we implemented a novel experimental protocol of contextual manipulation with somatosensory stimulation (real acupuncture: REAL) and only contextual manipulation (phantom acupuncture: PHNT) for fMRI scan, and conducted independent component (IC)-wise assessment with the concatenated fMRI data.ResultsBy our double (experimentally and analytically) dissociation, two ICs (CA1: executive control, CA2: goal-directed sensory process) for cognitive/affective modulation (associated with both REAL and PHNT) and other two ICs (SA1: interoceptive attention and motor-reaction, SA2: somatosensory representation) for somatosensory afference (associated with only REAL) were identified. Moreover, coupling between SA1 and SA2 was associated with a decreased heart rate during stimulation, whereas CA1 was associated with a delayed heart rate decrease post-stimulation. Furthermore, partial correlation network for these components demonstrated a bi-directional interaction between CA1 and SA1/SA2, suggesting the cognitive modulation to somatosensory process. The expectation for the treatment negatively affected CA1 but positively affected SA1 in REAL, whereas the expectation positively affected CA1 in PHNT.DiscussionThese specific cognitive-somatosensory interaction in REAL were differed from vicarious sensation mechanism in PHNT; and might be associated with a characteristic of acupuncture, which induces voluntary attention for interoception. Our findings on brain interactions in acupuncture treatment elucidated the underlying brain mechanisms for compound stimulus of somatosensory afferent and therapeutic contextual manipulation, which might be a specific response to acupuncture.

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“…Another study carried out by Uchida et al (2020) aimed to determine the relationships of deep acupuncture in cortical relaxation and surveillance based on encephalograms and heart rate and the autonomic nervous system. Their findings showed that HRV indices showed that SNA changed for parasympathetic dominance regardless of the subjective feeling of comfort or discomfort of the technique.…”

Section: Discussionmentioning

confidence: 99%

Effect of dry needling on the variability of cardiac frequency in university members with temporomandibular dysfunction

Gouveia¹,

Santos²,

Oliveira³

et al. 2021

RSD

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Introduction: Despite the existence of some theories about the effect of Dry Needling on pain, there is still a lack of research using this technique in the treatment of temporomandibular disorder and its repercussions on the autonomic nervous system. Therefore, the aim was to analyze the effect of Dry Needling on the autonomic modulation of university students with temporomandibular disorders. Methods: This is an interventional, inferential study, carried out with university students with temporomandibular disorders. A frequency meter was used before, during, and after the application of the dry needle to verify its short and medium term effect on the autonomic nervous system. For statistical analysis, the ANOVA test was used. Results: Twenty volunteers with an average age of 21.3 years took part in the study, most of them male (65%). When the rMSSD and pNN50 indexes were analyzed, an increase was observed during dry needling (p = 0.701 and 0.452, respectively). However, after application, these indices fell, remaining above the base values. However, the triangular RR and TINN indices showed a constant increase during collection (p = 0.578 and 0.613, respectively). The high frequency component increased during the technique (p = 0.860), but the same did not happen with the low frequency component (p = 0.693), which suffered a constant increase, even with minor variation. Conclusion: The effect of this technique promotes the improvement of the heart rate variability values, maintaining the balance of the autonomic nervous system without generating cardiovascular risks, and its effects were immediate and lasting.

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Acupuncture Relaxation, Vigilance Stage, and Autonomic Nervous System Function: A Comparative Study of Their Interrelationships

Cited by 4 publications

References 25 publications

The role of visual expectations in acupuncture analgesia: A quantitative electroencephalography study

The role of visual expectations in acupuncture analgesia: A quantitative electroencephalography study

Cognitive and affective interaction with somatosensory afference in acupuncture–a specific brain response to compound stimulus

Effect of dry needling on the variability of cardiac frequency in university members with temporomandibular dysfunction

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