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Interoception

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https://www.readbyqxmd.com/read/28805580/tourette-syndrome-and-chronic-tic-disorders-the-clinical-spectrum-beyond-tics
#1
Davide Martino, Christos Ganos, Tamara M Pringsheim
The clinical surveillance and active management of Tourette syndrome (TS) and other primary chronic tic disorders cannot be limited to tics, as these patients manifest a spectrum of sensory-, behavioral-, cognitive-, and sleep-related problems that have a major impact on their functioning and quality of life, influencing enormously clinical decision making on a routine basis. The sensory phenomena of primary tic disorders consist of premonitory urges and heightened sensitivity to external somatosensory and interoceptive stimuli...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28769749/attention-in-and-out-scalp-level-and-intracranial-eeg-correlates-of-interoception-and-exteroception
#2
Indira García-Cordero, Sol Esteves, Ezequiel P Mikulan, Eugenia Hesse, Fabricio H Baglivo, Walter Silva, María Del Carmen García, Esteban Vaucheret, Carlos Ciraolo, Hernando S García, Federico Adolfi, Marcos Pietto, Eduar Herrera, Agustina Legaz, Facundo Manes, Adolfo M García, Mariano Sigman, Tristán A Bekinschtein, Agustín Ibáñez, Lucas Sedeño
Interoception, the monitoring of visceral signals, is often presumed to engage attentional mechanisms specifically devoted to inner bodily sensing. In fact, most standardized interoceptive tasks require directing attention to internal signals. However, most studies in the field have failed to compare attentional modulations between internally- and externally-driven processes, thus probing blind to the specificity of the former. Here we address this issue through a multidimensional approach combining behavioral measures, analyses of event-related potentials and functional connectivity via high-density electroencephalography, and intracranial recordings...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28762262/embodiment-mediates-the-relationship-between-avoidant-attachment-and-eating-disorder-psychopathology
#3
Alessio Maria Monteleone, Giovanni Castellini, Valdo Ricca, Umberto Volpe, Francesco De Riso, Massimiliano Nigro, Francesco Zamponi, Milena Mancini, Giovanni Stanghellini, Palmiero Monteleone, Janet Treasure, Mario Maj
OBJECTIVE: The overvaluation of body shape and weight of persons with eating disorders (EDs) is putatively explained by a disturbance in the way they experience their own body (embodiment). Moreover, attachment disorders seem to promote the use of body as source for self-definition. Therefore, we assessed the role of embodiment in the connection between attachment styles and ED psychopathology. METHOD: One-hundred and thirteen ED patients and 117 healthy subjects completed the Identity and Eating Disorders (IDEA) Questionnaire, the Eating Disorder Inventory-2 (EDI-2) and the Experiences in Close Relationships Scale...
July 31, 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
https://www.readbyqxmd.com/read/28754271/afferent-cardiac-signals-modulate-attentional-engagement-to-low-spatial-frequency-fearful-faces
#4
Ruben T Azevedo, Deborah Badoud, Manos Tsakiris
Despite the growing consensus that the continuous dynamic cortical representations of internal bodily states shape the subjective experience of emotions, physiological arousal is typically considered only a consequence and rarely a determinant of the emotional experience. Recent experimental approaches study how afferent autonomic signals from the heart modulate the processing of sensory information by focussing on the phasic properties of arterial baroreceptor firing that is active during cardiac systole and quiescent during cardiac diastole...
July 4, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28744208/neurodevelopmental-hypothesis-about-the-etiology-of-autism-spectrum-disorders
#5
Toshio Inui, Shinichiro Kumagaya, Masako Myowa-Yamakoshi
Previous models or hypotheses of autism spectral disorder (ASD) failed to take into full consideration the chronological and causal developmental trajectory, leading to the emergence of diverse phenotypes through a complex interaction between individual etiologies and environmental factors. Those phenotypes include persistent deficits in social communication and social interaction (criteria A in DSM-5), and restricted, repetitive patterns of behavior, interests, or activities (criteria B in DSM-5). In this article, we proposed a domain-general model that can explain criteria in DSM-5 based on the assumption that the same etiological mechanism would trigger the various phenotypes observed in different individuals with ASD...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28737245/exteroceptive-stimuli-override-interoceptive-state-in-reaction-time-control
#6
Xiao Yang, J Richard Jennings, Bruce H Friedman
The processing of reaction time (RT) stimulus is modulated by its timing relative to the cardiac cycle. RT stimulus processing is also influenced by task-irrelevant stimuli: a sensory stimulus speeds RT when it accompanies a cue to react in another sensory modality. Different theories have been proposed to explain this accessory stimulus effect (ASE). However, it is unclear whether the ASE interacts with the cardiac timing effect. In the present study, the relationship of the ASE, cardiac timing, and stimulus valence was examined...
July 24, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28736312/resting-state-functional-connectivity-correlates-of-emotional-awareness
#7
Ryan Smith, Anna Alkozei, Jennifer Bao, Courtney Smith, Richard D Lane, William D S Killgore
Multiple neuroimaging studies have now linked emotional awareness (EA), as measured by the Levels of Emotional Awareness Scale (LEAS), with activation in regions of neural networks associated with both conceptualization (i.e., default mode network [DMN] regions) and interoception (i.e., salience network [SN] regions) - consistent with the definition of EA as one's ability to appropriately recognize, conceptualize, and articulate the emotions of self and other in fine-grained, differentiated ways. However, no study has yet tested the hypothesis that greater LEAS scores are associated with greater resting state functional connectivity (FC) within these networks...
July 20, 2017: NeuroImage
https://www.readbyqxmd.com/read/28729444/an-atoh1-s193a-phospho-mutant-allele-causes-hearing-deficits-and-motor-impairment
#8
Wei Rose Xie, Hsin-I Jen, Michelle L Seymour, Szu-Ying Yeh, Fred A Pereira, Andrew K Groves, Tiemo J Klisch, Huda Y Zoghbi
Atoh1 is a basic helix-loop-helix (bHLH) transcription factor that is essential for the genesis, survival, and maturation of a variety of neuronal and non-neuronal cell populations, including those involved in proprioception, interoception, balance, respiration, and hearing. Such diverse functions require fine regulation at the transcriptional and protein levels. Here we show that serine 193 (S193) is phosphorylated in Atoh1's bHLH domain in vivo Knock-in mice of both sexes bearing a GFP-tagged phospho-dead S193A allele on a null background (Atoh1(S193A/lacZ) ) exhibit mild cerebellar foliation defects, motor impairments, and also partial pontine nucleus migration defects, cochlear hair cell degeneration, and profound hearing loss...
July 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28726799/the-insular-cortex-dynamically-maps-changes-in-cardiorespiratory-interoception
#9
Mahlega S Hassanpour, W Kyle Simmons, Justin S Feinstein, Qingfei Luo, Rachel Lapidus, Jerzy Bodurka, Martin P Paulus, Sahib S Khalsa
Palpitations and dyspnea are fundamental to the human experience of panic anxiety, but it remains unclear how the brain dynamically represents changes in these interoceptive sensations. We used isoproterenol, a rapidly acting peripheral beta-adrenergic agonist similar to adrenaline, to induce sensations of palpitation and dyspnea in healthy individuals (n=23) during arterial spin labeling (ASL) functional Magnetic Resonance Imaging (fMRI). We hypothesized that the right mid-insular cortex, a central recipient of viscerosensory input, would preferentially respond during the peak period of cardiorespiratory stimulation...
July 20, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28723347/heart-rate-variability-is-enhanced-by-long-lasting-pleasant-touch-at-ct-optimized-velocity
#10
Chantal Triscoli, Ilona Croy, Susann Steudte-Schmiedgen, Håkan Olausson, Uta Sailer
INTRODUCTION: The present study explores whether long-lasting pleasant touch has positive effects on the stress response, reward sensitivity, mood, and interoceptive awareness. METHODS: 40 participants received either 35min of brush stroking targeting C-tactile fibres (CT) or vibration on the forearm, and rated pleasantness and intensity. Prior and after, stress response (cortisol and heart rate variability), reward sensitivity, mood and interoceptive awareness were measured...
July 16, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28714716/cb%C3%A2-receptor-antagonism-in-the-bed-nucleus-of-the-stria-terminalis-interferes-with-affective-opioid-withdrawal-in-rats
#11
Kiri L Wills, Marieka V DeVuono, Cheryl L Limebeer, Kiran Vemuri, Alexandros Makriyannis, Linda A Parker
The bed nucleus of the stria terminalis (BNST) is a region of the extended amygdala that is implicated in addiction, anxiety, and stress related behaviors. This region has been identified in mediating the aversive state of naloxone-precipitated morphine withdrawal (MWD) and cannabinoid Type I (CB1) receptors have been found to modulate neurotransmission within this region. Previous findings suggest that the CB1 antagonist/inverse agonist, AM251, administered systemically or by infusion into the central nucleus of the amygdala (CeA) prevented the aversive affective properties of MWD as measured by conditioned place aversion learning...
August 2017: Behavioral Neuroscience
https://www.readbyqxmd.com/read/28714581/psychometric-evaluation-and-norms-for-the-multidimensional-assessment-of-interoceptive-awareness-maia-in-a-clinical-eating-disorders-sample
#12
Tiffany A Brown, Laura A Berner, Michelle D Jones, Erin E Reilly, Anne Cusack, Leslie K Anderson, Walter H Kaye, Christina E Wierenga
Altered interoceptive awareness (IA) has been implicated in the pathophysiology of eating disorders; however, few comprehensive self-report measures of IA exist in eating disorders. The present study sought to validate the Multidimensional Assessment of Interoceptive Awareness (MAIA), originally developed to assess IA in individuals practicing mind-body therapies, in an eating disorder sample. Adult and adolescent patients (n = 376) completed assessments upon admission to a partial hospital programme. Analyses examined the factor structure of the MAIA, scale means, scale-scale correlations, internal consistency and construct validity...
July 17, 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
https://www.readbyqxmd.com/read/28714434/altered-interoceptive-activation-before-during-and-after-aversive-breathing-load-in-women-remitted-from-anorexia-nervosa
#13
L A Berner, A N Simmons, C E Wierenga, A Bischoff-Grethe, M P Paulus, U F Bailer, A V Ely, W H Kaye
BACKGROUND: The neural mechanisms of anorexia nervosa (AN), a severe and chronic psychiatric illness, are still poorly understood. Altered body state processing, or interoception, has been documented in AN, and disturbances in aversive interoception may contribute to distorted body perception, extreme dietary restriction, and anxiety. As prior data implicate a potential mismatch between interoceptive expectation and experience in AN, we examined whether AN is associated with altered brain activation before, during, and after an unpleasant interoceptive state change...
July 17, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28712417/holding-the-body-in-mind-interoceptive-awareness-dispositional-mindfulness-and-psychological-well-being
#14
Adam W Hanley, Wolf E Mehling, Eric L Garland
Objective Recent dialogue between Western and Eastern traditions has stimulated novel explorations of the relationship between mind and body. Many of these cross-cultural, mind-body dialogues have proven productive in identifying more adaptive forms of embodiment. Prior studies suggest that dispositional mindfulness (DM) and interoceptive awareness (IA) are associated but distinct, key constructs in mind-body approaches that are conceptualized in a variety of ways with imprecisely characterized relationship...
August 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28704276/effects-of-d1-and-d2-receptor-antagonists-on-the-discriminative-stimulus-effects-of-methylendioxypyrovalerone-and-mephedrone-in-male-sprague-dawley-rats-trained-to-discriminate-d-amphetamine
#15
Eric L Harvey, Rachel L Burroughs, Lisa E Baker
Psychopharmacology research has amassed substantial evidence for similarities between synthetic cathinones and other commonly abused psychostimulants. Few studies have utilized drug discrimination methods to investigate synthetic cathinones, and the precise neurochemical substrates underlying their interoceptive effects have not been examined. The present study assessed the involvement of D1 and D2 dopaminergic receptors in the stimulus effects of 3,4-methylenedioxypyrovalerone (MDPV) and mephedrone (MEPH) in rats trained to discriminate D-amphetamine...
July 12, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/28685271/direct-and-indirect-effects-of-age-on-interoceptive-accuracy-and-awareness-across-the-adult-lifespan
#16
Jennifer Murphy, Hayley Geary, Edward Millgate, Caroline Catmur, Geoffrey Bird
Various aspects of physical and mental health have been linked to an individual's ability to perceive the physical condition of their body ('interoception'). In addition, numerous studies have demonstrated a role for interoception in higher-order cognitive abilities such as decision-making and emotion processing. The importance of interoception for health and typical cognitive functioning has prompted interest in how interoception varies over the lifespan. However, few studies have investigated interoception into older adulthood, and no studies account for the set of physiological changes that may influence task performance...
July 6, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28673350/psychophysical-responses-in-patients-receiving-a-mock-laser-within-context-of-an-acupuncture-clinical-trial-an-interoceptive-perspective
#17
Shohreh Razavy, Marcus Gadau, Shi Ping Zhang, Fu Chun Wang, Sergio Bangrazi, Christine Berle, Mahrita Harahap, Tie Li, Wei Hong Li, Christopher Zaslawski
BACKGROUND: The psychophysical responses induced by verum acupuncture are characterized by a constellation of unique subjective sensory responses commonly termed De Qi. Furthermore, a variety of sham interventions have been used as a control for acupuncture clinical trials. Indeed, one such control has been mock laser which has been used as control intervention in several acupuncture clinical controlled trials. The current study aim was to examine the De Qi sensory responses and its related characteristics elicited from acupuncture and compare them to those reported following sham laser in participants enrolled in a clinical trial...
July 3, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28669917/interoceptive-signals-impact-visual-processing-cardiac-modulation-of-visual-body-perception
#18
Roberta Ronchi, Fosco Bernasconi, Christian Pfeiffer, Javier Bello-Ruiz, Mariia Kaliuzhna, Olaf Blanke
Multisensory perception research has largely focused on exteroceptive signals, but recent evidence has revealed the integration of interoceptive signals with exteroceptive information. Such research revealed that heartbeat signals affect sensory (e.g., visual) processing: however, it is unknown how they impact the perception of body images. Here we linked our participants' heartbeat to visual stimuli and investigated the spatio-temporal brain dynamics of cardio-visual stimulation on the processing of human body images...
June 29, 2017: NeuroImage
https://www.readbyqxmd.com/read/28651098/an-interoceptive-model-of-bulimia-nervosa-a-neurobiological-systematic-review
#19
REVIEW
Megan Klabunde, Danielle Collado, Cara Bohon
The objective of our study was to examine the neurobiological support for an interoceptive sensory processing model of bulimia nervosa (BN). To do so, we conducted a systematic review of interoceptive sensory processing in BN, using the PRISMA guidelines. We searched PsychInfo, Pubmed, and Web of Knowledge databases to identify biological and behavioral studies that examine interoceptive detection in BN. After screening 390 articles for inclusion and conducting a quality assessment of articles that met inclusion criteria, we reviewed 41 articles...
June 19, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28649576/you-fill-my-heart-looking-at-one-s-partner-increases-interoceptive-accuracy
#20
Lara Maister, Lilla Hodossy, Manos Tsakiris
The integration of external and internal bodily signals provides a coherent, multisensory experience of one's own body. The ability to accurately detect internal bodily sensations is referred to as interoceptive accuracy (IAcc). Previous studies found that IAcc can be increased when people with low IAcc engage in self-processing such as when looking in the mirror or at a photograph of one's own face. However, the way the self is represented changes depending on the context. Specifically, in social situations, the self is experienced in relation to significant others and not as an isolated individual...
June 2017: Psychology of Consciousness: Theory, Research, and Practice
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