Proprioception but not cardiac interoception is related to the rubber hand illusion

Horváth, Áron; Ferentzi, Eszter; Bogdány, Tamás; Szolcsányi, Tibor; Witthöft, Michael; Köteles, Ferenc

doi:10.1016/j.cortex.2020.08.026

Cited by 45 publications

(59 citation statements)

References 61 publications

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“…[27][28][29] But although both sensory modalities map objects internal to the organism, and can thus be con-trasted with exteroception, substantial functional and anatomical differences justify separating proprioception from interoception, a distinction first noted over a century ago, by Sherrington, [30] and supported by later evidence. [31] Lastly, there is extensive integration of visceral and somatosensory information, a process some authors refer to as 'somatovisceral afference' . Strikingly, subsets of C-fibers originating in specific cutaneous territories mediate affective tactile experiences that have been referred to as 'sensual touch' and project to the insular cortex, [4,[32][33][34] blurring the distinction between interoceptive function and the exteroceptive senses.…”

Section: The Interoceptive Nervous System Maps the Homeostatic State Of The Bodymentioning

confidence: 99%

Interoception and the origin of feelings: A new synthesis

Carvalho

Damásio

2021

BioEssays

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Feelings are conscious mental events that represent body states as they undergo homeostatic regulation. Feelings depend on the interoceptive nervous system (INS), a collection of peripheral and central pathways, nuclei and cortical regions which continuously sense chemical and anatomical changes in the organism. How such humoral and neural signals come to generate conscious mental states has been a major scientific question. The answer proposed here invokes (1) several distinctive and poorly known physiological features of the INS; and (2) a unique interaction between the body (the 'object' of interoception) and the central nervous system (which generates the 'subject' of interoception). The atypical traits of the INS and the direct interactions between neural and non-neural physiological compartments of the organism, neither of which is present in exteroceptive systems, plausibly explain the qualitative and subjective aspects of feelings, thus accounting for their conscious nature.

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Section: The Interoceptive Nervous System Maps the Homeostatic State Of The Bodymentioning

confidence: 99%

Interoception and the origin of feelings: A new synthesis

Carvalho

Damásio

2021

BioEssays

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“…We anticipated three possibilities: (1) contrary to widespread claims, no such associations are found across studies, (2) associations, when found, reflect a publication bias, and (3) reliable associations are found that remain to be theorized. Informing these questions is of primary importance considering that human and financial resources are invested in studies administering this task (Horváth et al, 2020;Jakubczyk et al, 2021;Ogishima, Maeda, Tanaka, & Shimada, 2020), theoretical models are partly built on HCT outcomes (Harshaw, 2015;Herbert & Pollatos, 2012;Verdejo-Garcia, Clark, & Dunn, 2012), and HCT research keeps inspiring health interventions (Bornemann & Singer, 2017;Sugawara, Terasawa, Katsunuma, & Sekiguchi, 2020).…”

Section: The Present Reviewmentioning

confidence: 99%

A Systematic Review and Meta-analysis on the Association Between Heartbeat Counting Task Performance and Mental Disorders and Their Risk Factors Among Adults

Desmedt¹,

Houte²,

Walentynowicz³

et al. 2020

Preprint

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Interoceptive accuracy is thought to play a key role in mental health. However, the validity of its most frequently used measure (i.e., the Heartbeat Counting Task; HCT) has been questioned. This calls for a meta-analytic examination of associations between HCT performance and mental health. To this end, we performed a systematic review and meta-analysis on associations between HCT performance and mental disorders, symptoms, and their risk factors among adult participants. The final data set comprised 133 studies with 11 524 participants. The quality assessment indicates that research practice should be improved as, e.g., only a few studies reported sample size justification (6%), pre-registration (0.8%), and data in free access (6.8%). HCT performance was not significantly associated with trait measures of anxiety (r = 0.03), depression (r = -0.04), and alexithymia (r = -0.01). It was weakly and negatively associated with age (r = -0.11) after correction for publication bias, sex (male > female; r = -0.14), heart rate (r = -0.17), and body mass index (r = -0.11). That theoretically assumed associations between interoceptive accuracy and mental health indicators are not meta-analytically found raises further doubts about the validity, and even the very pragmatic value, of the HCT.

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“…A negative correlation was observed between the IAcc measurement and the RHI result, such that a higher level of IAcc corresponded to a lesser success in RHI. Despite other authors, such as Horváth et al [29], not replicating these results, further evidence supporting this hypothesis originates from studies on patients with chronic pain and body image alterations.…”

Section: Interoception: a Way To A Stable And Integrated Sense Of Selfmentioning

confidence: 65%

Rebuilding Body–Brain Interaction from the Vagal Network in Spinal Cord Injuries

et al. 2021

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Spinal cord injuries (SCIs) exert devastating effects on body awareness, leading to the disruption of the transmission of sensory and motor inputs. Researchers have attempted to improve perceived body awareness post-SCI by intervening at the multisensory level, with the integration of somatic sensory and motor signals. However, the contributions of interoceptive-visceral inputs, particularly the potential interaction of motor and interoceptive signals, remain largely unaddressed. The present perspective aims to shed light on the use of interoceptive signals as a significant resource for patients with SCI to experience a complete sense of body awareness. First, we describe interoceptive signals as a significant obstacle preventing such patients from experiencing body awareness. Second, we discuss the multi-level mechanisms associated with the homeostatic stability of the body, which creates a unified, coherent experience of one’s self and one’s body, including real-time updates. Body awareness can be enhanced by targeting the vagus nerve function by, for example, applying transcutaneous vagus nerve stimulation. This perspective offers a potentially useful insight for researchers and healthcare professionals, allowing them to be better equipped in SCI therapy. This will lead to improved sensory motor and interoceptive signals, a decreased likelihood of developing deafferentation pain, and the successful implementation of modern robotic technologies.

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Proprioception but not cardiac interoception is related to the rubber hand illusion

Cited by 45 publications

References 61 publications

Interoception and the origin of feelings: A new synthesis

Interoception and the origin of feelings: A new synthesis

A Systematic Review and Meta-analysis on the Association Between Heartbeat Counting Task Performance and Mental Disorders and Their Risk Factors Among Adults

Rebuilding Body–Brain Interaction from the Vagal Network in Spinal Cord Injuries

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