Distinct contributions of extrastriate body area and temporoparietal junction in perceiving one’s own and others’ body

Abstract

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Excitatory stimulation of the right inferior parietal cortex lessens implicit religiousness/spirituality

“…The location of the target area was identified on each participant's scalp with the SofTaxic Navigator system (EMS, Bologna, Italy) which uses a set of digitized skull landmarks (left and right preauricular points, nasion, and inion), $ 65 scalp points entered with a Polaris VicraOptical Tracking System, and an averaged stereotaxic magnetic resonance imaging-constructed (MRI) atlas brain in Talairach space (Talairach and Tournoux, 1988). The latter was used by the SofTaxic Navigator system to automatically estimate the Talairach coordinates of the targeted region (Talairach space, accuracy $ 1 cm), in line with several previous studies by our and other groups stimulating the same or similar parietal regions and other brain areas (e.g., Crescentini et al, 2014;Cazzato et al, 2014;Urgesi et al, 2004;Cattaneo et al, 2011;Bonato et al, 2006). More specifically, Talairach coordinates for the right IPL were based on the mentioned studies of Urgesi et al (2010) and Crescentini et al (2014) and were X¼57, Y¼ À40, and Z¼34.…”

As Light as your Footsteps

“…People adjusted the weight related dimension of the body of a 3D avatar displayed on the screen to correspond to their perceived body size [10,27,39].…”

The effects of body exposure on self-body image and esthetic appreciation in anorexia nervosa

“…The 'perceptual' body image assesses the perceptual aspect of self-body image. Furthermore, since disturbances in inter-subjective representations of one's own body image may contribute to body distortion in EDs (Cazzato et al 2015), we assessed how participants perceived their own body in relation to others' perspective (metacognitive body image).…”

“…The size of the pictures was 768 × 583 pixels and they were displayed on the screen of a laptop computer using a software (see below) to scale the picture along the horizontal axis. The computer program 'Body Image Revealer' (Mian and Gerbino 2009;Cazzato et al 2015) was used to manipulate the digital picture of each participant. Such procedure has high ecological validity, because it simulates, in an experimental and controlled setting, the experience of looking at one's own body in the mirror.…”

“…The aim of the present study was twofold: i) to investigate whether patients with AN show altered sensitivity to perceptual after-effects in contrast to weak recoding of body beauty ideals, ii) to investigate whether perceptual after-effects transfer to more clinically relevant subcomponents of self-body image for AN patients, such as the perceptual, metacognitive (i.e., the ability to perceive one's own body as other people see it), affective and ideal dimensions (Thompson 2004;Cazzato et al 2015).…”