Effects of gratitude meditation on neural network functional connectivity and brain-heart coupling

Kyeong, S. H.; Kim, Joohan; Kim, Dae‐Jin; Kim, Hesun Erin; Kim, Jae Jin

doi:10.1038/s41598-017-05520-9

Cited by 39 publications

(25 citation statements)

References 63 publications

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“…Expressing gratitude is known to promote positive mind-sets and to reduce stress levels (Emmons & McCullough, 2003). During gratitude (vs. resentment) experience, decreased heart rate as well as temporal synchronization of heart rate and amygdala-based functional connectivity with the audiovisual sensory regions has been found in an fMRI study involving healthy subjects (Kyeong, Kim, Kim, Kim, & Kim, 2017). Thus, besides its effectiveness in reducing unpleasant short-term affective states, the use of gratitude could be to limit uncomfortable physical sensations.…”

Section: Ta B L E 3 Changes In Psychological Measures Between Pre Joumentioning

confidence: 99%

Gratitude diary for the management of suicidal inpatients: A randomized controlled trial

et al. 2019

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Background:The management of suicidal crisis remains a major issue for clinicians, driving the development of new strategies. Methods:We conducted a randomized controlled trial based on a 7-day add-on positive psychology program: gratitude diary (intervention) versus food diary (control) in adults hospitalized for current suicidal ideation or a suicide attempt. The primary effectiveness outcome was betweengroup differences for mean change of current psychological pain, between the beginning and the end of the 7-day intervention. We measured between-group differences for mean change of suicidal ideation, hopelessness and optimism, and depression and anxiety between inclusion and after the completion of the 7-day intervention. We compared mean change of current psychological pain, suicidal ideation, and hopelessness and optimism between immediate pre and post daily journal completion. Results: Two hundred and one participants were enrolled and randomized. Between pretherapy and posttherapy: There were no significant between-group differences for mean change of severity and intensity of suicidal ideation and current hopelessness. Between-group difference for mean change of current psychological pain was trending (P = 0.05). Mean change of depression, anxiety, and optimism was significantly higher in the intervention than in the control group. Between immediate pre and post daily journal completion: Between-group differences favored gratitude (vs. food) diary for all outcomes (psychological pain, suicidal ideation, and hopelessness and optimism; P < 10 −3 ).Participants found the intervention to be more useful than the food diary. Conclusions:Through gratitude diary appears a very straightforward intervention that could be developed as an adjunctive strategy for suicidal patients. K E Y W O R D Sgratitude, positive psychology, randomized controlled trial, suicidal crisis

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Section: Ta B L E 3 Changes In Psychological Measures Between Pre Joumentioning

confidence: 99%

Gratitude diary for the management of suicidal inpatients: A randomized controlled trial

et al. 2019

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“…Physical activity naturally increases heart rate, but also just thinking about physical activity may increase heart rate 4 . Similarly, mental exercises such as meditation can reduce heart rate 5 . The effect of cognition on heart rate is perhaps even more direct than these traditional accounts 6,7 .…”

Section: Introductionmentioning

confidence: 99%

Conscious processing of narrative stimuli synchronizes heart rate between individuals

Pérez

Madsen

Banellis

et al. 2020

Preprint

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Heart rate has natural fluctuations that are typically ascribed to autonomic function. Recent evidence suggests that conscious processing can affect the timing of the heartbeat. We hypothesized that heart rate is modulated by conscious processing and therefore dependent on attentional focus. To test this we leverage the observation that neural processes can be synchronized between subjects by presenting an identical narrative stimulus. As predicted, we find significant inter-subject correlation of the heartbeat (ISC-HR) when subjects are presented with an auditory or audiovisual narrative. Consistent with the conscious processing hypothesis, we find that ISC-HR is reduced when subjects are distracted from the narrative, and that higher heart rate synchronization predicts better recall of the narrative. Finally, patients with disorders of consciousness who are listening to a story have lower ISC, as compared to healthy individuals, and that individual ISC-HR might predict a patients’ prognosis. We conclude that heart rate fluctuations are partially driven by conscious processing, depend on attentional state, and may represent a simple metric to assess conscious state in unresponsive patients.

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“…In the last decade, MRI studies exploring the neural correlates of meditation have revealed important insights into how this mental training changes brain function and structure (Brewer et al, 2011; Kilpatrick et al, 2011; Froeliger et al, 2012; Hasenkamp et al, 2012; Taylor et al, 2013; Garrison et al, 2014; Marchand, 2014; Tang et al, 2015; Panda et al, 2016; Kyeong et al, 2017; Mooneyham et al, 2017; Marusak et al, 2018). Yet, little is known about how meditation influences the capability to transmit information across the whole-brain functional network.…”

Section: Introductionmentioning

confidence: 99%

Characterizing the Dynamical Complexity Underlying Meditation

Escrichs

Sanjuán

Atasoy

et al. 2019

Front. Syst. Neurosci.

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Over the past 2,500 years, contemplative traditions have explored the nature of the mind using meditation. More recently, neuroimaging research on meditation has revealed differences in brain function and structure in meditators. Nevertheless, the underlying neural mechanisms are still unclear. In order to understand how meditation shapes global activity through the brain, we investigated the spatiotemporal dynamics across the whole-brain functional network using the Intrinsic Ignition Framework. Recent neuroimaging studies have demonstrated that different states of consciousness differ in their underlying dynamical complexity, i.e., how the broadness of communication is elicited and distributed through the brain over time and space. In this work, controls and experienced meditators were scanned using functional magnetic resonance imaging (fMRI) during resting-state and meditation (focused attention on breathing). Our results evidenced that the dynamical complexity underlying meditation shows less complexity than during resting-state in the meditator group but not in the control group. Furthermore, we report that during resting-state, the brain activity of experienced meditators showed higher metastability (i.e., a wider dynamical regime over time) than the one observed in the control group. Overall, these results indicate that the meditation state operates in a different dynamical regime compared to the resting-state.

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Effects of gratitude meditation on neural network functional connectivity and brain-heart coupling

Cited by 39 publications

References 63 publications

Gratitude diary for the management of suicidal inpatients: A randomized controlled trial

Gratitude diary for the management of suicidal inpatients: A randomized controlled trial

Conscious processing of narrative stimuli synchronizes heart rate between individuals

Characterizing the Dynamical Complexity Underlying Meditation

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