Human Vestibular Cortex as Identified with Caloric Stimulation in Functional Magnetic Resonance Imaging

Fasold, Oliver; Brevern, Michael von; Kuhberg, Marc; Ploner, Christoph J.; Villringer, Arno; Lempert, Thomas; Wenzel, Rüdiger

doi:10.1006/nimg.2002.1241

Cited by 310 publications

(277 citation statements)

References 42 publications

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“…Congruently, epileptic patients with vestibular aurae suffer from lesions surrounding the superior temporal gyrus and the temporoparietal cortex [99,107]. This location has also been confirmed by functional neuroimaging studies in healthy subjects using caloric and galvanic stimulation of the peripheral vestibular system revealing unanimously predominant activations centered on the TPJ and insula [6,19,20,32,39,46,47,50,51,70,72,85,94,95,110,112,118] with activations in the superior temporal gyrus, posterior insula, inferior parietal lobule (angular and supramarginal gyri), and postcentral gyrus. Although many regions surrounding the TPJ/insula have been found activated, opinions concerning the exact location of the human homologue of the PIVC differ (Fig.…”

Section: The Vestibular Cortexmentioning

confidence: 80%

“…Yen Pik Sang et al [120] reported that caloric vestibular stimulations in healthy subjects may induce transient symptoms of depersonalization and derealisation (''body feels strange/different in some ways'', ''feeling of detachment or separation from surroundings'') by a disintegration in personal space and/or disintegration between personal and extrapersonal space. In a PET study on depersonalization, Simeon et al [106] found brain activation changes related to embodiment in regions that have also been shown to be activated by caloric vestibular stimulation, such as the superior temporal gyrus, posterior insula and inferior parietal lobule [19,20,39,47,50,112]. Collectively, these findings suggest that caloric vestibular stimulation interferes with self-processing and embodiment, also inducing symptoms of depersonalization, which share several aspects with out-ofbody experiences [105].…”

Section: Effects Of Natural and Artificial Vestibular Stimulations Onmentioning

confidence: 99%

“…3B). In somatosensory cortex vestibular stimulations activate the anterior tip of the intraparietal sulcus [50,85,94,112] and the primary somatosensory cortex, near the central sulcus [20,47,50,100]. These regions represent probably the human homologue of two monkey areas that have been found to integrate vestibular and somatosensory information: area 2v, at the base of the intraparietal sulcus [53] and area 3av at the hand/arm and neck/trunk representations [66,96].…”

Section: The Vestibular Cortexmentioning

confidence: 99%

See 2 more Smart Citations

Body ownership and embodiment: Vestibular and multisensory mechanisms

Lopez

Halje

Blanke

2008

Neurophysiologie Clinique/Clinical Neurophysiology

227

163

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Summary Body ownership and embodiment are two fundamental mechanisms of selfconsciousness. The present article reviews neurological data about paroxysmal illusions during which body ownership and embodiment are affected differentially: autoscopic phenomena (out-of-body experience, heautoscopy, autoscopic hallucination, feeling-of-a-presence) and the room tilt illusion. We suggest that autoscopic phenomena and room tilt illusion are related to different types of failures to integrate body-related information (vestibular, proprioceptive and tactile cues) in addition to a mismatch between vestibular and visual references. In these patients, altered body ownership and embodiment has been shown to occur due to pathological activity at the temporoparietal junction and other vestibular-related areas arguing for a key importance of vestibular processing. We also review the possibilities of manipulating body ownership and embodiment in healthy subjects through exposition to weightlessness as well as caloric and galvanic stimulation of the peripheral vestibular apparatus. In healthy subjects, disturbed self-processing might be related to interference of vestibular stimulation with vestibular cortex leading to disintegration of bodily information and altered body ownership and embodiment. We finally propose a differential contribution of the vestibular cortical areas to the different forms of altered body ownership and embodiment. Résumé L'attribution du corps propre et de ses éléments constitutifs (body ownership), ainsi que le sentiment d'incarnation (embodiment) -le fait d'habiter ce corps, d'être localisé dans les limites physiques de ce corps -, sont deux éléments fondamentaux de la conscience de soi. Nous faisons ici la synthèse de données issues de la neurologie montrant que des manifestations paroxystiques telles que les phénomènes autoscopiques (expérience de sortie du corps, héautoscopie, hallucination autoscopique, sensation de présence) et l'illusion de bascule de l'environnement (room tilt illusion) se caractérisent par une atteinte différentielle des mécanismes d'attribution du corps propre et du sentiment d'incarnation. Nous faisons l'hypothèse que les différents phénomènes autoscopiques et l'illusion de bascule de l'environnement se caractérisent par différents patrons de déficits d'intégration des informations sensorielles corporelles (informations visuelles, musculaires proprioceptives et tactiles) combinés à une perte de cohérence entre les références visuelles et vestibulaires. Chez les patients souffrant de phénomènes autoscopiques, les déficits d'attribution du corps propre et du sentiment d'incarnation ont été liés à un dysfonctionnement au niveau de la jonction temporopariétale et d'autres régions corticales recevant des informations vestibulaires, suggérant une contribution importante des afférences vestibulaires dans les mécanismes de la conscience de soi. Nous rapportons également des données de la littérature recueillies chez des sujets sains suggérant la possibilité de manipuler l'attribution ...

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Section: The Vestibular Cortexmentioning

confidence: 80%

Section: Effects Of Natural and Artificial Vestibular Stimulations Onmentioning

confidence: 99%

Section: The Vestibular Cortexmentioning

confidence: 99%

See 1 more Smart Citation

Body ownership and embodiment: Vestibular and multisensory mechanisms

Lopez

Halje

Blanke

2008

Neurophysiologie Clinique/Clinical Neurophysiology

227

163

View full text Add to dashboard Cite

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“…The right angular gyrus has been previously shown to be involved in the perception of the body and self and in coding for egocentric visuo-spatial perspective taking (Vallar et al 1999;Maguire et al 1998), agency (Farrer and Frith 2002;Farrer et al 2003;Chaminade and Decety 2002), and self-other distinction (Farrer and Frith 2002;Farrer et al 2003;Ruby and Decety 2001Chaminade and Decety 2002). In addition, the vestibular cortex is localized at the TPJ including the angular gyrus Fasold et al 2002). The posterior STG and superior temporal sulcus area have also been shown to be crucial for several aspects of bodily processing by coding for various visual stimuli of human bodies such as in visual biological motion perception (Howard et al 1996;Vaina et al 2001;Grossman and Blake 2002), the visual perception of static human body parts including eyes, hands, mouths (Puce et al 1998;Allison et al 2000;Grossman and Blake 2002), as well as sensorimotor integration (Leube et al 2003).…”

Section: Temporo-parietal Junctionmentioning

confidence: 99%

Mental Imagery for Full and Upper Human Bodies: Common Right Hemisphere Activations and Distinct Extrastriate Activations

et al. 2010

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The processing of human bodies is important in social life and for the recognition of another person's actions, moods, and intentions. Recent neuroimaging studies on mental imagery of human body parts suggest that the left hemisphere is dominant in body processing. However, studies on mental imagery of full human bodies reported stronger right hemisphere or bilateral activations. Here, we measured functional magnetic resonance imaging during mental imagery of bilateral partial (upper) and full bodies. Results show that, independently of whether a full or upper body is processed, the right hemisphere (temporoparietal cortex, anterior parietal cortex, premotor cortex, bilateral superior parietal cortex) is mainly involved in mental imagery of full or partial human bodies. However, distinct activations were found in extrastriate cortex for partial bodies (right fusiform face area) and full bodies (left extrastriate body area). We propose that a common brain network, mainly on the right side, is involved in the mental imagery of human bodies, while two distinct brain areas in extrastriate cortex code for mental imagery of full and upper bodies.

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“…These are vestibular processing, multisensory integration as well as the perception of human bodies or body parts. The core region of the human vestibular cortex 25,26 is situated at the temporo-parietal junction including the posterior insula, and brain damage in this area has been associated with vestibular sensations and dysfunctions. 27,28 Several neuropsychological and neuroimaging studies suggest the implication of the temporo-parietal junction and cortical areas along the intraparietal sulcus in combining tactile, proprioceptive and visual information in a coordinated reference frame.…”

Section: Neurocognitive Mechanisms Of Obesmentioning

confidence: 99%