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Interoception

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https://www.readbyqxmd.com/read/29777473/interoceptive-accuracy-in-youth-with-tic-disorders-exploring-links-with-premonitory-urge-anxiety-and-quality-of-life
#1
Victoria Pile, Jennifer Y F Lau, Marta Topor, Tammy Hedderly, Sally Robinson
Aberrant interoceptive accuracy could contribute to the co-occurrence of anxiety and premonitory urge in chronic tic disorders (CTD). If it can be manipulated through intervention, it would offer a transdiagnostic treatment target for tics and anxiety. Interoceptive accuracy was first assessed consistent with previous protocols and then re-assessed following an instruction attempting to experimentally enhance awareness. The CTD group demonstrated lower interoceptive accuracy than controls but, importantly, this group difference was no longer significant following instruction...
May 18, 2018: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/29775076/walking-with-controlled-breathing-improves-exercise-tolerance-anxiety-and-quality-of-life-in-heart-failure-patients-a-randomized-controlled-trial
#2
Hsiu-Chin Teng, Mei-Ling Yeh, Mei-Hua Wang
BACKGROUND: Patients with heart failure experience not only impaired physical condition, but also their physical activity, moods, and quality of life may be diminished. AIMS: The purpose of this study was to investigate the effects of 12-week walking with breathing program on physical activity tolerance considering time-dependent physiological factors and time-independent interoceptive awareness, as well as psychosocial factors. METHODS: This randomized controlled trial recruited 90 heart failure patients and randomly assigned them...
May 1, 2018: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/29764604/self-reported-interoceptive-deficits-in-eating-disorders-a-meta-analysis-of-studies-using-the-eating-disorder-inventory
#3
REVIEW
Paul M Jenkinson, Lauren Taylor, Keith R Laws
OBJECTIVE: An impairment of the ability to sense the physiological condition of the body - interoception - has long been proposed as central to the onset and maintenance of eating disorders. More recent attention to this topic has generally indicated the presence of interoceptive deficits in individuals with an eating disorder diagnosis; however, possible links with specific diagnosis, BMI, age, illness duration, depression, and alexithymia remain unclear from individual studies. This meta-analysis aimed to provide a necessary quantitative overview of self-reported interoceptive deficits in eating disorder populations, and the relationship between these deficits and the previously mentioned factors...
July 2018: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29762471/the-impact-of-caloric-and-non-caloric-sweeteners-on-food-intake-and-brain-responses-to-food-a-randomized-crossover-controlled-trial-in-healthy-humans
#4
Camille Crézé, Laura Candal, Jérémy Cros, Jean-François Knebel, Kevin Seyssel, Nathalie Stefanoni, Philippe Schneiter, Micah M Murray, Luc Tappy, Ulrike Toepel
Whether non-nutritive sweetener (NNS) consumption impacts food intake behavior in humans is still unclear. Discrepant sensory and metabolic signals are proposed to mislead brain regulatory centers, in turn promoting maladaptive food choices favoring weight gain. We aimed to assess whether ingestion of sucrose- and NNS-sweetened drinks would differently alter brain responses to food viewing and food intake. Eighteen normal-weight men were studied in a fasted condition and after consumption of a standardized meal accompanied by either a NNS-sweetened (NNS), or a sucrose-sweetened (SUC) drink, or water (WAT)...
May 15, 2018: Nutrients
https://www.readbyqxmd.com/read/29748924/the-interoception-sensory-questionnaire-isq-a-scale-to-measure-interoceptive-challenges-in-adults
#5
L Fiene, M J Ireland, C Brownlow
Increasing attention is being paid to how adults on the autism spectrum perceive and interpret the interoceptive sense. This 20-item Interoception Sensory Questionnaire represents a single factor scale that can be interpreted as representing confusion about interoceptive bodily states unless these states are extreme (Alexisomia), and has been designed to discriminate across populations (total sample 511 participants). Findings showed that 74% of adults with autism reported interoceptive confusion. Another finding of the study was that as autistic traits increased, interoceptive confusion increased, with adults with diagnosed autism scoring highest on the construct...
May 10, 2018: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/29748110/interoceptive-processing-deficit-a-behavioral-marker-for-subtyping-parkinson-s-disease
#6
Gabriella Santangelo, Carmine Vitale, Chiara Baiano, Alfonsina D'Iorio, Katia Longo, Paolo Barone, Marianna Amboni, Massimiliano Conson
BACKGROUND: Non-motor symptoms in Parkinson's disease (PD), such as cognitive, emotional, autonomic and somatosensory alterations, are not ubiquitous but vary between the tremor dominant (TD) and postural instability/gait difficulty (PIGD) subtypes of the syndrome. Non-motor phenomena (e.g., anxiety, depression and apathy) have been related to representation of autonomic and somatosensory sensations (interoception), and recent findings suggest interoceptive deficits in PD. OBJECTIVES: To test whether interoceptive processing is differently affected in TD and PIGD phenotypes, by assessing both interoceptive accuracy and sensibility in PD patients with TD and PIGD subtypes, and in healthy controls...
May 5, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29742462/the-link-between-interoceptive-processing-and-anxiety-in-children-diagnosed-with-autism-spectrum-disorder-extending-adult-findings-into-a-developmental-sample
#7
E R Palser, A Fotopoulou, E Pellicano, J M Kilner
Anxiety is a major associated feature of autism spectrum disorders. The incidence of anxiety symptoms in this population has been associated with altered interoceptive processing. Here, we investigated whether recent findings of impaired interoceptive accuracy (quantified using heartbeat detection tasks) and exaggerated interoceptive sensibility (subjective sensitivity to internal sensations on self-report questionnaires) in autistic adults, can be extended into a school-age sample of children and adolescents (n = 75)...
May 6, 2018: Biological Psychology
https://www.readbyqxmd.com/read/29735513/a-unifying-theory-for-cognitive-abnormalities-in-functional-neurological-disorders-fibromyalgia-and-chronic-fatigue-syndrome-systematic-review
#8
REVIEW
Tiago Teodoro, Mark J Edwards, Jeremy D Isaacs
BACKGROUND: Functional cognitive disorder (FCD) describes cognitive dysfunction in the absence of an organic cause. It is increasingly prevalent in healthcare settings yet its key neuropsychological features have not been reported in large patient cohorts. We hypothesised that cognitive profiles in fibromyalgia (FM), chronic fatigue syndrome (CFS) and functional neurological disorders (FNDs) would provide a template for characterising FCD. METHODS: We conducted a systematic review of studies with cognition-related outcomes in FM, CFS and FND...
May 7, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29727807/voxel-based-morphometry-analysis-of-structural-brain-scans-in-skin-picking-disorder
#9
Anne Schienle, Jonas Potthoff, Albert Wabnegger
BACKGROUND: Skin-picking disorder (SPD) is characterized by the excessive and repetitive manipulation of one's own skin resulting in tissue damage and impaired social functioning. There are only a few studies with small sample sizes that examined possible brain abnormalities in SPD, which is classified as a syndrome related to obsessive-compulsive disorders (OCD). METHOD: The current voxel-based morphometry (VBM) study compared data from 35 SPD patients and 35 control participants including both genders (mean age = 35 years, SD = 15)...
April 26, 2018: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/29724684/the-neural-bases-of-interoceptive-encoding-and-recall-in-healthy-adults-and-adults-with-depression
#10
Danielle C DeVille, Kara L Kerr, Jason A Avery, Kaiping Burrows, Jerzy Bodurka, Justin Feinstein, Sahib S Khalsa, Martin P Paulus, W Kyle Simmons
BACKGROUND: Theoretical models assert that the brain's interoceptive network links external stimuli with their interoceptive consequences, thereby supporting later recall of these associations to guide the selection of healthy behaviors. If these accounts are correct, previously reported interoceptive abnormalities in major depressive disorder (MDD) should lead to altered recall of associations between external stimuli and their interoceptive (somatic) consequences. To date, the processes underlying interoceptive recall have never been experimentally investigated...
March 27, 2018: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/29719416/pain-and-emotion-as-predictive-factors-of-interoception-in-fibromyalgia
#11
Céline Borg, Florian Chouchou, Jenny Dayot-Gorlero, Perrine Zimmerman, Delphine Maudoux, Bernard Laurent, George A Michael
Introduction: This study investigated interoception in fibromyalgia (FM), a disorder characterized by chronic pain accompanied by mood deregulation. Based on observations on the relationship between somatosensory processing and pain in FM and considering the affective symptoms of this disorder, we tested in FM three dimensions of interoception: interoceptive accuracy (IA), interoceptive awareness (IAW) and interoceptive sensibility (IS). Materials and methods: Twenty-one female FM patients (Mage = 50...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29704794/going-at-the-heart-of-social-cognition-is-there-a-role-for-interoception-in-self-other-distinction
#12
REVIEW
Clare E Palmer, Manos Tsakiris
Interoception describes the processing and awareness of bodily signals arising from visceral organs, essential for the organism's homeostatic needs. Beyond homeostasis, the integration of exteroceptive and interoceptive signals is required for the coherence of bodily self-awareness. Here we suggest that interoception also plays a critical role in social cognition. Relating to others as individuals who are distinct from one's self requires the simultaneous yet distinct co-representation of self and others. We propose that interoceptive awareness appears to stabilise the mental representation of one's self as distinct from others...
April 19, 2018: Current Opinion in Psychology
https://www.readbyqxmd.com/read/29696418/causes-of-emotional-eating-and-matched-treatment-of-obesity
#13
REVIEW
Tatjana van Strien
PURPOSE OF THE REVIEW: Eating in response to negative emotions (EE) may be an explanatory factor of the weight regain of many dieters. This narrative review presents evidence on possible causes of EE and the association of EE with depression and obesity and discusses implications of these findings for the treatment of obesity. RECENT FINDINGS: Possible causes of EE are high dietary restraint, poor interoceptive awareness, alexithymia, emotion dysregulation and a reversed hypothalamic pituitary adrenal (HPA) stress axis...
April 25, 2018: Current Diabetes Reports
https://www.readbyqxmd.com/read/29694845/interoceptive-inference-from-computational-neuroscience-to-clinic
#14
REVIEW
Andrew P Owens, Micah Allen, Sasha Ondobaka, Karl J Friston
The central and autonomic nervous systems can be defined by their anatomical, functional and neurochemical characteristics, but neither functions in isolation. For example, fundamental components of autonomically mediated homeostatic processes are afferent interoceptive signals reporting the internal state of the body and efferent signals acting on interoceptive feedback assimilated by the brain. Recent predictive coding (interoceptive inference) models formulate interoception in terms of embodied predictive processes that support emotion and selfhood...
April 22, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29690770/repeated-interoceptive-exposure-in-individuals-with-high-and-low-anxiety-sensitivity
#15
Katharina Holtz, Alfons O Hamm, Christiane A Pané-Farré
Interoceptive exposure is one component in cognitive behavioral therapy of panic disorder. The present investigation addressed changes in defensive mobilization during repeated interoceptive exposure using a standardized hyperventilation procedure. 26 high and 22 low anxiety sensitive persons (ASI, Peterson & Reiss, 1992) went through two guided hyperventilation and normoventilation procedures, spaced one week apart. Breathing parameters, startle response magnitudes and symptom reports were measured. All participants successfully adhered to the guided breathing procedures...
April 1, 2018: Behavior Modification
https://www.readbyqxmd.com/read/29686631/the-perception-of-time-is-underestimated-in-adolescents-with-anorexia-nervosa
#16
Carmelo M Vicario, Kim Felmingham
Research has revealed reduced temporal discounting (i.e., increased capacity to delay reward) and altered interoceptive awareness in anorexia nervosa (AN). In line with the research linking temporal underestimation with a reduced tendency to devalue a reward and reduced interoceptive awareness, we tested the hypothesis that time duration might be underestimated in AN. Our findings revealed that patients with AN displayed lower timing accuracy in the form of timing underestimation compared with controls. These results were not predicted by clinical, demographic factors, attention, and working memory performance of the participants...
2018: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29681009/effect-of-trigonella-foenum-graecum-linn-seeds-methanol-extract-on-learning-and-memory
#17
Tahira Assad, Rafeeq Alam Khan, Muhammad Ali Rajput
Prevention and delay in the onset of memory disorders will have a great impact on society by reducing the disease burden and finances. Drugs available for the treatment of learning and memory disorders are few. There is need to develop a better drug, several studies have shown the therapeutic effectiveness of herbal extracts for the learning and memory disorders because of their neuroprotective effects, hence herbs should be evaluated scientifically to form a basis for the future discovery of newer drugs. In this study, effect of Trigonella-foenum graecum L...
April 21, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29667267/the-cerebellum-after-trauma-resting-state-functional-connectivity-of-the-cerebellum-in-posttraumatic-stress-disorder-and-its-dissociative-subtype
#18
Daniela Rabellino, Maria Densmore, Jean Théberge, Margaret C McKinnon, Ruth A Lanius
The cerebellum plays a key role not only in motor function but also in affect and cognition. Although several psychopathological disorders have been associated with overall cerebellar dysfunction, it remains unclear whether different regions of the cerebellum contribute uniquely to psychopathology. Accordingly, we compared seed-based resting-state functional connectivity of the anterior cerebellum (lobule IV-V), of the posterior cerebellum (Crus I), and of the anterior vermis across posttraumatic stress disorder (PTSD; n = 65), its dissociative subtype (PTSD + DS; n = 37), and non-trauma-exposed healthy controls (HC; n = 47)...
April 17, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29664207/how-sleep-problems-contribute-to-simulator-sickness-preliminary-results-from-a-realistic-driving-scenario
#19
Ellemarije Altena, Yannick Daviaux, Ernesto Sanz-Arigita, Emilien Bonhomme, Étienne de Sevin, Jean-Arthur Micoulaud-Franchi, Stéphanie Bioulac, Pierre Philip
Virtual reality and simulation tools enable us to assess daytime functioning in environments that simulate real life as close as possible. Simulator sickness, however, poses a problem in the application of these tools, and has been related to pre-existing health problems. How sleep problems contribute to simulator sickness has not yet been investigated. In the current study, 20 female chronic insomnia patients and 32 female age-matched controls drove in a driving simulator covering realistic city, country and highway scenes...
April 17, 2018: Journal of Sleep Research
https://www.readbyqxmd.com/read/29660441/silencing-the-insular-striatal-circuit-decreases-alcohol-self-administration-and-increases-sensitivity-to-alcohol
#20
Anel A Jaramillo, Kalynn Van Voorhies, Patrick A Randall, Joyce Besheer
Internal drug states/cues can impact drug taking, as pretreatment with a moderate to high alcohol dose (i.e., loading dose) can decrease subsequent alcohol self-administration, alcohol-seeking, and relapse-like drinking. The insular cortex (IC) is implicated in processing information about internal states and findings show that silencing the IC and its projections to the nucleus accumbens core (AcbC) enhance sensitivity to the interoceptive effects of alcohol. Therefore, the goal of the present work was to determine the functional role of IC-AcbC projections in modulating the effects of alcohol pretreatment on operant alcohol self-administration...
April 13, 2018: Behavioural Brain Research
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