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Mindfulness and Amygdala Resting State Connectivity 1 Abbreviated Title: Mindfulness and Amygdala Resting State Connectivity Mindfulness Meditation Training Alters Stress-Related Amygdala Resting State Functional Connectivity: A Randomized Controlled Tria
Citations
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Citation Context ...nd thoughts within the last month (0=Never,s4=Very Often). Four of the items are reverse-scored and an overall composite measure isscomputed, with higher values indicating a greater perceived stress (=-=Cohen et al. 1983-=-).sat Pennsylvania State U niversity on M ay 17, 2016 http://scan.oxfordjournals.org/ D ow nloaded fromsMindfulness and Amygdala Resting State Connectivity 6 All participants completed a separate neur... |
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Citation Context ...nborn et al. 2010;sStalder and Kirschbaum 2012).sInterventionssWe adapted the standardized and manualized 8-week Mindfulness-Based StresssReduction (MBSR) program (which includes a day-long retreat) (=-=Kabat-Zinn 1982-=-, 1990) into ascondensed 3-day residential retreat format, entitled Health Enhancement through Mindfulnesss(HEM).sDelivery of the HEM program in a structured residential retreat format improvesscompli... |
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Citation Context ...egional dynamics specifically afford the advantage of being taskindependent, providing reliable estimates of neural circuit functionality corresponding tosstructural topography (Fox and Raichle 2007; =-=Greicius 2008-=-). Here, we tested the extent toswhich mindfulness alters stress-related amygdala rsFC for three reasons: (1) The amygdala is ascell complex that is centrally involved in processing psychological stre... |
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Citation Context ...013). Moreover, cumulative evidence has linked individual differences in stress reactivity andsthe experience of stress to a broad range of physiological health outcomes (Everson-Rose andsLewis 2005; =-=Cohen et al. 2007-=-; Gianaros and Sheu 2009; Miller et al. 2009; McEwen andsGianaros 2010). Although there has been significant progress in understanding the neurobiologysof mindfulness meditation training effects (Tang... |
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Citation Context ...g is in accord with several studies, which link the rightsamygdala and ACC to stress. Specifically, the amygdala has well-known anatomical connectivityswith regions of ACC (Carmichael and Price 1996; =-=Ongür et al. 1998-=-; Freedman et al. 2000;sJohansen-Berg et al. 2008), including sgACC (Freedman et al. 2000; Johansen-Berg et al.s2008)—and neurobiological accounts highlight the importance of amygdala and ACC/medialsP... |
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Citation Context ...he amygdala, hypothalamus, nucleus accumbens, and orbitofrontal cortex (whereasspregenual ACC is more strongly connected to medial prefrontal and mid-cingulate cortex,ssgACC, and subcortical regions)(=-=Chiba et al. 2001-=-). In combination, these studies and our workshere suggest potential dissociable effects of mindfulness meditation training on spatially distinctsregions of ACC; such as mindfulness meditation trainin... |
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Citation Context ...ked individual differences in stress reactivity andsthe experience of stress to a broad range of physiological health outcomes (Everson-Rose andsLewis 2005; Cohen et al. 2007; Gianaros and Sheu 2009; =-=Miller et al. 2009-=-; McEwen andsGianaros 2010). Although there has been significant progress in understanding the neurobiologysof mindfulness meditation training effects (Tang et al. 2015), there is still relatively lit... |
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Citation Context ...y in thescorona radiata – the major tract projecting through ACC (Tang et al. 2010). Notably, sgACC issthought to be an important hub in networks for negative affect and mood disorders (Maybergs2003; =-=Seminowicz et al. 2004-=-) and anatomical studies have shown direct connections betweenssgACC and the amygdala, hypothalamus, nucleus accumbens, and orbitofrontal cortex (whereasspregenual ACC is more strongly connected to me... |
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Citation Context ...surement error in future studies (Birn et al. 2006, 2013). Our aim in this study was to revealsstable stress-related rsFC changes by using the PSS as a measure of stress symptoms over thespast month (=-=Liston et al. 2009-=-), however, the scanner environment itself can be stress-inducing,sand the lack of a state-stress scanner measure in this study does not allow us to fully excludespotential state-stress effects. An ad... |
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Citation Context ...ndfulness meditation training increasing rsFC on more dorsal andspregenual ACC tracts associated with enhanced self-regulation (Tang et al. 2010; cf. Hasenkampsand Barsalou 2012) and pain modulation (=-=Zeidan et al. 2011-=-), while also decreasing stressrelated functional connectivity of the sgACC with the amygdala. Together, this work suggestssthe possibility that mindfulness meditation training fosters dorsal/pregenua... |
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Citation Context ...nectivity of the ACC (Xue et al. 2011) and recentswork has shown that this form of meditation training increases white matter integrity in thescorona radiata – the major tract projecting through ACC (=-=Tang et al. 2010-=-). Notably, sgACC issthought to be an important hub in networks for negative affect and mood disorders (Maybergs2003; Seminowicz et al. 2004) and anatomical studies have shown direct connections betwe... |
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Citation Context ...4mmsFWHM Gaussian kernel to be in the preferred format for the motion correction program,sArtRepair. Data were then submitted to motion correction using the ArtRepair utility (P.sMazaika et al. 2007; =-=Mazaika et al. 2009-=-), an interpolation-based motion correction utilitysprogram. Motion correction in ArtRepair follows a two-step process. In the first step, ansalgorithm is applied to each run of data to suppress inter... |
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Citation Context ...r to measure cumulative hypothalamicpituitary-adrenal (HPA) axis activation over the 4-month follow-up period, participants weresinvited to provide a hair sample at the 4-month follow-up appointment (=-=Dettenborn et al. 2010-=-;sStalder and Kirschbaum 2012).sInterventionssWe adapted the standardized and manualized 8-week Mindfulness-Based StresssReduction (MBSR) program (which includes a day-long retreat) (Kabat-Zinn 1982, ... |
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Citation Context ...reported mindfulness is associated with reduced amygdala volumes and task-basedsamygdala activation (Goldin and Gross 2010; Hölzel et al. 2010; Way et al. 2010; Taren et al.s2013; Taylor et al. 2011; =-=Desbordes et al. 2012-=-). (3) Anatomical studies in animal modelssindicate robust amygdala connectivity to other brain regions considered to be integral forsprocessing stressors and orchestrating stress reactions (e.g. ante... |
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Citation Context ...atnagarset al. 2013; Hoge et al. 2013; King et al. 2013; Zeidan et al. 2013). Moreover, higher levels ofsself-reported perceived stress have been linked to poorer mental and physical health outcomess(=-=Keller et al. 2012-=-). The present research offers a testable new prediction for future studies;sat Pennsylvania State U niversity on M ay 17, 2016 http://scan.oxfordjournals.org/ D ow nloaded fromsMindfulness and Amygda... |
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Citation Context ...t RCTs indicate robust effects of mindfulness training onsimproving psychiatric outcomes in these same patient groups (Ma and Teasdale 2004; Bhatnagarset al. 2013; Hoge et al. 2013; King et al. 2013; =-=Zeidan et al. 2013-=-). Moreover, higher levels ofsself-reported perceived stress have been linked to poorer mental and physical health outcomess(Keller et al. 2012). The present research offers a testable new prediction ... |
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Citation Context ...sol (Raul et al.sat Pennsylvania State U niversity on M ay 17, 2016 http://scan.oxfordjournals.org/ D ow nloaded fromsMindfulness and Amygdala Resting State Connectivity 14 2004; Russell et al. 2012; =-=Skoluda et al. 2012-=-; Stalder and Kirschbaum 2012). Thus, participantsage, gender, and frequency of vigorous exercise were included as covariates in hair analyses insorder to reduce noise attributable to these potential ... |
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Citation Context ...ness meditation alters structural andsfunctional activity in the ACC. For example, integrative mind-body meditation training has beensshown to increase network efficiency and connectivity of the ACC (=-=Xue et al. 2011-=-) and recentswork has shown that this form of meditation training increases white matter integrity in thescorona radiata – the major tract projecting through ACC (Tang et al. 2010). Notably, sgACC iss... |
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Citation Context ...2007; Gianaros and Sheu 2009; Miller et al. 2009; McEwen andsGianaros 2010). Although there has been significant progress in understanding the neurobiologysof mindfulness meditation training effects (=-=Tang et al. 2015-=-), there is still relatively little worksdirectly relating the neural mechanisms of mindfulness training and stress resilience.sResting state functional connectivity (rsFC) methods provide one approac... |
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