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Relationship between interoceptive accuracy, interoceptive sensibility, and alexithymia KU Leuven
© 2017 Elsevier Ltd Interoception is the ability to feel one's internal bodily sensations and it is related to emotional experience and the processing of emotional stimuli. Alexithymia is defined by difficulties in identifying and describing one's emotions and externally oriented thinking. Additionally, it is linked to impairments in emotional awareness and the regulation of emotions. It is largely assumed that alexithymia relates negatively ...
Categorical interoception: Perceptual organization of sensations from inside KU Leuven
Adequate perception of bodily sensations is essential to protect health. However, misinterpretation of signals from within the body is common and can be fatal, for example, in asthma or cardiovascular disease. We suggest that placing interoceptive stimuli into interoceptive categories (e.g., the category of symptoms vs. the category of benign sensations) leads to perceptual generalization effects that may underlie misinterpretation. In two ...
Categorical interoception: the role of disease context and individual differences in habitual symptom reporting KU Leuven
OBJECTIVE: Symptom reports correspond less to physiological dysfunction in persons with high levels of symptoms in daily life and in patients with functional somatic symptoms, suggesting poor symptom perception. In this study, we investigated whether interoception was impacted by the meaning of the context and by habitual symptom reporting. METHODS: Eight inspiratory resistances that were equidistant in intensity were administered to healthy ...
Interoception and the uneasiness of the mind: Affect as perceptual style KU Leuven
Autonomous system models of interoception describe perception of bodily sensations as an active process in which the brain generates and tests hypotheses about the body on the basis of proximal information. This view of perception as inference allows a new perspective on the role of affect in perception. Affect and interoception are closely linked, but processes underlying this link are poorly understood. We suggest that a predictive coding ...
Identifying the Effects of Visceral Interoception on Human Brain Connectome: A Multivariate Analysis of Covariance of fMRI Data KU Leuven
Sources of variations in the neural circuitry of the human brain and interrelationship between intrinsic connectivity networks (ICNs) are still a matter of debate and ongoing research. Here, we applied a multivariate analysis of covariance (MANCOVA) based on high-dimensional independent component analysis (ICA) to identify the effects of interoception and related variables on human brain connectome. Fifteen healthy right-handed subjects (all ...