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Temporal dynamics of brain activation during 40 minutes of pleasant touch
2016
NeuroImage
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This study tracked brain activation during slow stroking stimulation of the arm that was applied continuously for 40 min -a much longer time than what previous studies have investigated. ...
Results: Stroking was perceived as pleasant throughout scanning and activated areas that were previously found to be involved in the processing of pleasant touch. ...
Acknowledgements This study was supported by the Swedish Research Council (grant number 2011-1529) and by a grant of the Marcus och Amalia Wallenbergs Minnesfond to IC (MAW 2014.000). ...
doi:10.1016/j.neuroimage.2016.06.031
pmid:27338514
fatcat:5irgdkumbfgb3h7qq6an6v2aai
Human endogenous oxytocin and its neural correlates show adaptive responses to social touch based on recent social context
[article]
2021
bioRxiv
pre-print
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Using serial sampling of plasma hormone levels during functional neuroimaging, we show that contextual circumstances of social touch facilitate or inhibit not only current hormonal and brain responses, ...
Hypothalamus and dorsal raphe activation reflected plasma OT changes during the initial interaction. ...
with partner than stranger touch in the right temporal pole (TP; MNI 40, 19, We also explored any temporal patterns of the brain-plasma OT relationship using a novel retrospective modelling approach ...
doi:10.1101/2021.04.08.438987
fatcat:dzjrdepa4bakjgg62pb2ezxzpe
C-tactile touch perception in migraineurs - a case-control study
2019
Cephalalgia
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Slow brushing over the skin activates C-tactile nerve fibers, which mediate pleasant touch and analgesic effects in healthy subjects. ...
During repeated stimulation, controls showed stable pleasantness ratings while migraineurs' ratings decreased, especially in those experiencing tactile allodynia during headaches. ...
Acknowledgement We thank the participating patients and the German Migraine and Headache Society for their support of the study. ...
doi:10.1177/0333102419889349
pmid:31789052
fatcat:6n7jzb3h6zd3dncuaeh5gl77xa
Pain-Relief Effects of Aroma Touch Therapy with Citrus junos Oil Evaluated by Quantitative EEG Occipital Alpha-2 Rhythm Powers
2014
Journal of Behavioral and Brain Science
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The present study aimed to elucidate the analgesic effects of aroma touch therapy with Citrus junos oil based on the quantitative evaluation of deep brain network (DBN) activity using electroencephalogram ...
aroma touch therapy at an appropriate DBN activity index. ...
work was partially supported by Grants-in-Aid for Scientific Research (23593274, 25420236) and New Energy and Industrial Technology Development Organization promoted by Japan Society for the Promotion of ...
doi:10.4236/jbbs.2014.41002
fatcat:2vzn6wlezjf4xk26rolnwmnzr4
A critical role for touch neurons in a skin-brain pathway for stress resilience
[article]
2022
bioRxiv
pre-print
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Chemogenetic activation of these touch neurons reduced corticosterone levels under mild acute stress conditions. ...
In addition, whole-brain c-Fos activity mapping while chemogenetically turning on these neurons uncovered differential neural activity patterns in brain areas relevant to somatosensation, reward, and affect ...
IAS and lab members acknowledge support from startup funds provided by the University of Pennsylvania and Columbia University, National Institute of Health grant NIH/NIDCR R00-DE026807, and fellowships ...
doi:10.1101/2022.05.23.493062
fatcat:if5upt2m5jfnnphahddzb4frgu
Methodological Considerations in Conducting an Olfactory fMRI Study
2013
Behavioural Neurology
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In the field of functional brain imaging, many studies have focused on locating brain regions that are involved during olfactory processing. ...
Despite wealth of literature about brain network in different olfactory tasks, there is a paucity of data regarding task design. ...
Acknowledgment This review was supported by the "Legal Medicine Organization, Islamic Republic of Iran". ...
doi:10.1155/2013/870814
pmid:23619085
pmcid:PMC5213805
fatcat:3h4wr3pahzgtfnvngv7dd7ltpe
Feeling Touched: Emotional Modulation of Somatosensory Potentials to Interpersonal Touch
2017
Scientific Reports
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Touch processing was indexed using SEPs, and self-reports of touch experience were collected. ...
The affective modulation of touch was initially obtained as early as 25 ms after the touch onset suggesting that emotional context is integrated to the tactile sensation at a very early stage. ...
For behavioural data, four ANOVAs were conducted with pleasantness and intensity of touch and expression as dependent variables. ...
doi:10.1038/srep40504
pmid:28079157
pmcid:PMC5228183
fatcat:t7mesx3xcrdlzikfnwuy2yswne
Massage Therapy for Cancer Patients: A Reciprocal Relationship Between Body and Mind
2007
Current Oncology
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The relationship of myofascial communication systems (called "meridians") to activity in the subcortical central nervous system can be evaluated. ...
Nuclear magnetic resonance techniques can be used to capture dynamic in vivo responses to biomechanical signals induced by massage of myofascial tissue. ...
The brain region in or near the amygdala is activated by pleasant touch. ...
doi:10.3747/co.2007.105
pmid:17576465
pmcid:PMC1891200
fatcat:54py3rbscrcabfewxyzgndph2e
Emotion Perception from Face, Voice, and Touch: Comparisons and Convergence
2017
Trends in Cognitive Sciences
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Regions typically more active for emotional as compared to neutral stimuli are marked in green, blue, and red for voice, face, and touch, respectively. ...
We review stimulus characteristics and ensuing behavioral and brain responses, and show that audition and touch do not simply duplicate visual mechanisms. ...
Such patients are impaired at localizing touch on their body, but can still perceive it as pleasant, and selectively activate the insula [59] . ...
doi:10.1016/j.tics.2017.01.001
pmid:28173998
pmcid:PMC5334135
fatcat:dbnemcccyfbjbljccyv6l2dx3u
Welcoming back my arm: affective touch increases body ownership following right hemisphere stroke
2020
Brain Communications
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We further examined the specificity and mechanism of observed changes in limb ownership in secondary analyses looking at (1) the influence of perceived intensity and pleasantness of touch, (2) touch laterality ...
These studies have shown that affective (pleasant) touch, an interoceptive modality associated with unmyelinated, slow-conducting C tactile afferents, has a unique role in the sense of body ownership. ...
context refers to the unpleasant and numb feelings about one's own body caused by the temporal mismatch (a cross-modal property the brain uses to bind sensations together during multisensory integration ...
doi:10.1093/braincomms/fcaa034
pmid:32954292
pmcid:PMC7425337
fatcat:zyol66lagrasplfgsqzfku6jnq
From reward value to decision-making
[chapter]
2009
Handbook of Reward and Decision Making
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The orbitofrontal cortex is implicated in some of the
affectively pleasant aspects of touch that may be mediated through C fiber tactile affer-
ents, in that it is activated more ...
Smith,
The representation of pleasant touch in the brain and its relationship with taste and olfactory
areas, Neuroreport 10 (1999) 453–459.
[68] J. ...
doi:10.1016/b978-0-12-374620-7.00005-4
fatcat:63ue72brn5a2jat4ooff4ymjme
BLAST : a short computerized test to measure the ability to stay on task. Normative behavioral data and detailed cortical dynamics
[article]
2018
bioRxiv
pre-print
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We also detail the large-scale brain dynamics supporting the task from an in-depth study of 32 participants with direct electrophysiological cortical recordings (intracranial EEG) to prove that BLAST involves ...
critically large-scale executive attention networks, with a marked activation of the dorsal attention network and a deactivation of the default-mode network. ...
The dynamics of activation during BLAST revealed two phases: during the presentation of the Target and during the display of the Array, as expected in response to letters. ...
doi:10.1101/498691
fatcat:2stgy3oc3jgqzojvem5p6r7c5a
Acoustic Stimuli Can Improve and Impair Somatosensory Perception
2022
Frontiers in Neuroscience
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These changes go along with significant differences in brain activity and connectivity. ...
Here we show that acoustic stimulation with noise alters the perception of touch on the skin. We found that the effect of RN and WN differed. ...
However, we were able to show that two different types of noise had different effects on the perception of touch and brain activity. ...
doi:10.3389/fnins.2022.930932
pmid:35812213
pmcid:PMC9259856
fatcat:rtbmsggylbfhlkbzqejfcpquxa
The functional human neuroanatomy of food pleasure cycles
2012
Physiology and Behavior
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Here we develop a multilevel model for the full cycle of eating behavior based on the evidence for the brain networks and mechanisms initiating, sustaining and terminating the various phases of eating. ...
In order to survive, the human brain is required to optimize the resource allocation such that rewards are pursued when relevant. ...
of the subjective pleasantness of foods [40] . ...
doi:10.1016/j.physbeh.2012.03.023
pmid:22487544
fatcat:dxeyoi5n5fertm3grialwh6z6q
The orbitofrontal cortex and emotion in health and disease, including depression
2017
Neuropsychologia
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The orbitofrontal cortex represents the reward or affective value of primary reinforcers including taste, touch, texture, and face expression. ...
Activations in the orbitofrontal cortex correlate with the subjective emotional experience of affective stimuli, and damage to the orbitofrontal cortex impairs emotion-related learning, emotional behaviour ...
The orbitofrontal cortex is implicated in some of the affectively pleasant aspects of touch that may be mediated through C fibre tactile afferents, in that it is activated more by light touch to the forearm ...
doi:10.1016/j.neuropsychologia.2017.09.021
pmid:28951164
fatcat:hgolxk6n6fdu7pa5pckhdv2sqi
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