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The anterior insula channels prefrontal expectancy signals during affective processing
[article]
2019
bioRxiv
pre-print
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We conclude that the AIC arbitrates the recruitment of distinct prefrontal networks during cued picture processing according to triggered expectations. ...
First, using factorial modeling of delta cross-correlations (task-rest) of the first study, we find that the magnitude of expectancy signals in the anterior insula cortex (AIC) modulates the BOLD response ...
Thus, we expected BOLD signals in areas involved in cue processing to foreshadow expectancy traces in prefrontal regions associated with cognitive-emotional integration. ...
doi:10.1101/536300
fatcat:6wuxkjvhl5boxgqlye7elvbrzu
Probing fMRI brain connectivity and activity changes during emotion regulation by EEG neurofeedback
[article]
2020
arXiv
pre-print
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prefrontal, parietal, limbic, and insula regions. ...
The results showed increased activity of prefrontal, occipital, parietal, and limbic regions and increased functional connectivity between prefrontal, parietal, limbic system, and insula in the experimental ...
Ethical approval The research protocol is approved by the ethics committees of the Iran University of Medical Sciences, Tehran, Iran. ...
arXiv:2006.06829v1
fatcat:glmk5xqpordhxnjw5povjcmlt4
Acupuncture-Related Modulation of Pain-Associated Brain Networks During Electrical Pain Stimulation: A Functional Magnetic Resonance Imaging Study
2014
Journal of Alternative and Complementary Medicine
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In accordance with the literature, anterior insular and prefrontal activity seemed to be correlated with acupuncture treatment. ...
Results: Compared with baseline, volunteers showed modulated brain activity under pain conditions in the cingulate gyrus, insula, primary somatosensory cortex, and prefrontal areas after the acupuncture ...
, revealing temporal sustaining activity of the anterior insula and the prefrontal cortex beyond the needling procedure. 55, 56 We found significant functional cluster in prefrontal brain areas after ...
doi:10.1089/acm.2014.0105
pmid:25389905
pmcid:PMC4270153
fatcat:4fouc2elwvcevifr6yh7qwgony
Epilepsy and Ecstatic Experiences: The Role of the Insula
2021
Brain Sciences
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signal, usually processed by the dorsal anterior insula. ...
While this form of epilepsy has long been recognized as a temporal lobe epilepsy, we have accumulated evidence converging toward the location of the symptomatogenic zone in the dorsal anterior insula during ...
Data Availability Statement: Data on the patients are available on request to the corresponding author.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/brainsci11111384
pmid:34827383
pmcid:PMC8615543
fatcat:ft6bldbmlfggvarjq7pdxlxpvq
Mindfulness and emotion regulation—an fMRI study
2013
Social Cognitive and Affective Neuroscience
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The mindfulness intervention was associated with increased activations in prefrontal regions during the expectation of negative and potentially negative pictures compared to controls. ...
During the perception of negative stimuli, reduced activation was identified in regions involved in emotion processing (amygdala, parahippocampal gyrus). ...
There was no group difference in the ROI analysis in the right anterior insula in the expectation phase. ...
doi:10.1093/scan/nst043
pmid:23563850
pmcid:PMC4040090
fatcat:o3mpww3t75aydjqzgy53fdbdvy
Emotion Regulation and Excess Weight: Impaired Affective Processing Characterized by Dysfunctional Insula Activation and Connectivity
2016
PLoS ONE
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Decreased responsivity was also found in right anterior insula, the orbitofrontal cortex and cerebellum during negative emotion experience in participants with excess weight. ...
Psycho-physiological interaction analyses showed that excess-weight participants had decreased negative functional coupling between the right anterior insula and the right dlPFC, and the bilateral dmPFC ...
The anterior insula is known to be involved in the secondary processing of emotional experience through the integration of interoceptive signals with external context [28, 54] , a key aspect of successful ...
doi:10.1371/journal.pone.0152150
pmid:27003840
pmcid:PMC4803189
fatcat:rtql2rdbenecpopt36woqzixua
Changes in interoceptive processes following brain stimulation
2016
Philosophical Transactions of the Royal Society of London. Biological Sciences
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We thank Dr Immo Curio for his support in setting up the laboratory devices and connecting them. ...
We also thank David Scholz for his support in programming the experimental design, and Julia Braun and Viktoria Probst for their help in data assessment and participants' recruitment. ...
The HEP, as marker of automatic cardiac signal processing, was decreased after cTBS over right anterior insula. ...
doi:10.1098/rstb.2016.0016
pmid:28080973
pmcid:PMC5062104
fatcat:3hbqygqlurcsdflgv52x2ox4b4
Impaired mixed emotion processing in the right ventrolateral prefrontal cortex in schizophrenia: an fMRI study
2017
BMC Psychiatry
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Results: A decreased activation was found in the patient group during fear, mixed fear and mixed happy processing in the right ventrolateral prefrontal cortex (VLPFC) and the right anterior insula (RAI ...
Schizophrenia has a negative effect on the activity of the temporal and prefrontal cortices in the processing of emotional facial expressions. ...
Acknowledgements The authors would like to thank the staff of the Department of Psychiatry and Psychotherapy for their assistance helping this study to be completed. ...
doi:10.1186/s12888-017-1558-x
pmid:29216861
pmcid:PMC5721596
fatcat:mzmrlf7snnadvmwddppmwdlrci
Segregated neural representation of distinct emotion dimensions in the prefrontal cortex—an fMRI study
2006
NeuroImage
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Acknowledgments The study was supported by a Heisenberg grant from the German Research Foundation (DFG, 304/4 -1 to G.N.), a grant within the Postdoc-Programme of the German Academic Exchange Service ( ...
DAAD, D/02/46858) to F.B, the Swiss National Research Foundation (3100A0-100830) to G.N. and H.B., a grant from the Research Foundation of the University of Zurich, Organon Switzerland to G.N. and H.B. ...
The aim of the present study was twofold: first, to reveal prefrontal cortical signal changes during emotion processing and disentangle them from associated cognitive processing like judgment and preceding ...
doi:10.1016/j.neuroimage.2005.09.006
pmid:16230029
fatcat:r6zh427erbacdalermpmdtx4uu
What Difference Does it Make? Risk-Taking Behavior in Obesity after a Loss is Associated with Decreased Ventromedial Prefrontal Cortex Activity
2019
Journal of Clinical Medicine
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left anterior insula in comparison to controls (p < 0.05, AlphaSim corrected). ...
As a whole, our findings support that diminished tuning of the insula towards interoceptive signals may lead to a lack of input to the vmPFC when weighing the costs and benefits of risky choices. ...
Acknowledgments: We thank Martin Paulus for generously sharing the Risky Gains Task with us.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/jcm8101551
pmid:31569607
pmcid:PMC6832276
fatcat:q7hhpco2sffyfprzbryrdx6uda
Anticipating control over aversive stimuli is mediated by the medial prefrontal cortex: An fMRI study with healthy adults
2021
Human Brain Mapping
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The processing of aversive sounds compared to neutral sounds (2) was associated with increased neural activation in the bilateral posterior insula. ...
In a sample of 25 healthy adults, we observed increased neural activation in the medial prefrontal cortex (ventromedial prefrontal cortex and rostral anterior cingulate cortex), other brain areas relevant ...
However, we did not find the expected modulations of neural activation in the amygdala and anterior insula. ...
doi:10.1002/hbm.25549
pmid:34105855
pmcid:PMC8356988
fatcat:s7h56qdsnrgr7lk6kalagyd34a
Tracking Pain in Resting State Networks in Patients with Hereditary and Diabetic Neuropathy
2017
Nöropsikiyatri arşivi
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Patients with hereditary neuropathy displayed increased connectivity between left insula and left anterior cingulate cortex and inversely correlated activity between left insula and left inferior parietal ...
The images were analyzed with seed-based functional connectivity method. The group-level maps of the default mode network and insula-cingulate network were identified for each group. ...
Acknowledgements: We would like to thank all the patients and healthy volunteers who participated in this study. ...
doi:10.5152/npa.2017.22660
pmid:31223239
pmcid:PMC6563856
fatcat:zplusy6eqjhf3oawndi3i2nh7q
Emotional susceptibility trait modulates insula responses and functional connectivity in flavor processing
2015
Frontiers in Behavioral Neuroscience
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Finally, during a task-free state, high ES trait appeared also to be related to decreased intrinsic functional connectivity between left anterior insula and left cerebellum. ...
During the experiment, flavor stimuli were administered consisting of small amounts of liquid with a different affective valence: neutral, pleasant, unpleasant. ...
ACKNOWLEDGMENTS The authors thank Giuseppe Iaria for initial project discussion and Dante Mantini for the availability of the functional connectivity programs. ...
doi:10.3389/fnbeh.2015.00297
pmid:26594159
pmcid:PMC4633483
fatcat:cghfiolhobgklfp3vh7odvd5q4
Altered functional connectivity of the insular cortex across prefrontal networks in cocaine addiction
2013
Psychiatry Research : Neuroimaging
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in the cocaine dependence process. ...
The results suggest possible neural mechanisms by which the insular cortex and interoceptive information influence cognitive control and decision-making processes presumably mediated by prefrontal networks ...
The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Center For Research Resources or the National Institutes of Health. ...
doi:10.1016/j.pscychresns.2013.02.007
pmid:23684980
pmcid:PMC3708551
fatcat:gyye2dnq3fgivmwke6fcitv2lq
Abnormal Neural Connectivity in Schizophrenia and fMRI-Brain-Computer Interface as a Potential Therapeutic Approach
2013
Frontiers in Psychiatry
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with the disease arise from a failure to integrate the activity of local and distributed neural circuits: the "abnormal neural connectivity hypothesis." ...
The present article summarizes the findings coming from hemodynamics-based neuroimaging that support the abnormal connectivity hypothesis in schizophrenia, and discusses a new approach that could address ...
ACKNOWLEDGMENTS The study was supported by the Deutschen Forschungsgemeinschaft and D.27.09244), and Comisión Nacional de Investigación Científica y Tecnológica de Chile (Conycit) through Fondo Nacional ...
doi:10.3389/fpsyt.2013.00017
pmid:23525496
pmcid:PMC3605516
fatcat:axjb5subvbgatdqy7cocrk4rve
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