scholarly journals Distorted body image influences body schema in individuals with negative bodily attitudes

2019 ◽  
Vol 122 ◽  
pp. 38-50 ◽  
Author(s):  
Kamila R. Irvine ◽  
Kristofor McCarty ◽  
Kirsten J. McKenzie ◽  
Thomas V. Pollet ◽  
Katri K. Cornelissen ◽  
...  
Perception ◽  
10.1068/p5853 ◽  
2007 ◽  
Vol 36 (10) ◽  
pp. 1547-1554 ◽  
Author(s):  
Francesco Pavani ◽  
Massimiliano Zampini

When a hand (either real or fake) is stimulated in synchrony with our own hand concealed from view, the felt position of our own hand can be biased toward the location of the seen hand. This intriguing phenomenon relies on the brain's ability to detect statistical correlations in the multisensory inputs (ie visual, tactile, and proprioceptive), but it is also modulated by the pre-existing representation of one's own body. Nonetheless, researchers appear to have accepted the assumption that the size of the seen hand does not matter for this illusion to occur. Here we used a real-time video image of the participant's own hand to elicit the illusion, but we varied the hand size in the video image so that the seen hand was either reduced, veridical, or enlarged in comparison to the participant's own hand. The results showed that visible-hand size modulated the illusion, which was present for veridical and enlarged images of the hand, but absent when the visible hand was reduced. These findings indicate that very specific aspects of our own body image (ie hand size) can constrain the multisensory modulation of the body schema highlighted by the fake-hand illusion paradigm. In addition, they suggest an asymmetric tendency to acknowledge enlarged (but not reduced) images of body parts within our body representation.


Body schema refers to the system of sensory-motor functions that enables control of the position of body parts in space, without conscious awareness of those parts. Body image refers to a conscious representation of the way the body appears—a set of conscious perceptions, affective attitudes, and beliefs pertaining to one’s own bodily image. In 2005, Shaun Gallagher published an influential book entitled ‘How the Body Shapes the Mind’. This book not only defined both body schema (BS) and body image (BI), but also explored the complicated relationship between the two. The book also established the idea that there is a double dissociation, whereby body schema and body image refer to two different, but closely related, systems. Given that many kinds of pathological cases can be described in terms of body schema and body image (phantom limbs, asomatognosia, apraxia, schizophrenia, anorexia, depersonalization, and body dysmorphic disorder, among others), we might expect to find a growing consensus about these concepts and the relevant neural activities connected to these systems. Instead, an examination of the scientific literature reveals continued ambiguity and disagreement. This volume brings together leading experts from the fields of philosophy, neuroscience, psychology, and psychiatry in a lively and productive dialogue. It explores fundamental questions about the relationship between body schema and body image, and addresses ongoing debates about the role of the brain and the role of social and cultural factors in our understanding of embodiment.


2019 ◽  
Vol 21 (1) ◽  
pp. 13-21 ◽  
Author(s):  
Barbara Kostecka ◽  
Katarzyna Kordyńska ◽  
Sławomir Murawiec ◽  
Katarzyna Kucharska

2021 ◽  
pp. 229-243
Author(s):  
Jonathan Cole

In neurological illnesses, the body may present itself to perception in ways which allows insights into the concepts of body image and body schema. Three such conditions are explored. From those who live with spinal cord injury, paralysed and insentient from the neck down, aspects of the importance of the body in one’s sense of self are revealed. Some also describe a coming to terms with their altered bodies. When considering the body image, its adaptability and this reconciliation to a new normal should be considered. Studies on acquired severe sensory loss explore how conscious control, at the body image level, may partially replace the deafferented body schema. There is little evidence, however, for these subjects extending access to previously non-conscious motor schema. Lastly, some narratives from those with congenital absence of movement of facial muscles describe reduced emotional experience and felt embodiment as children. These can be developed as young adults, through shared social interactions. The importance of the social in elaboration of the body image is further implicit in a consideration of the stigma associated with facial disfigurement. Others’ responses to one’s body are crucial in developing our body image and sense of self.


2021 ◽  
pp. 69-84
Author(s):  
Shogo Tanaka

The aim of this chapter is to explicate the interrelated roles of body schema and body image in motor learning and to shed light on the phenomenology of body image from a fresh perspective. The chapter revisits how Merleau-Ponty conceptualized body schema in terms of the lived body. Second, the chapter will have a short review of the scientific research on motor learning. And then, comparing with Gallagher and Cole’s analysis of Ian Waterman, the chapter examines the symptom of Schneider, the case of whom Merleau-Ponty referred to in considering the function of body schema. The argument presented in the chapter will show that Merleau-Ponty’s idea crucially lacked the theoretical distinction of body schema and body image, though his idea of ‘intentional arc’ involved a certain aspect of the latter. And finally, the chapter comes back to the theme of motor learning in order to describe the roles of body schema and body image in the actual process of motor learning. On the one hand, this chapter aims to brush up the phenomenology of embodiment by refining Merleau-Ponty’s notion of body schema. But on the other hand, it also aims to push forward the sciences of motor learning from a theoretical perspective.


2017 ◽  
Vol 34 (4) ◽  
pp. 362-381 ◽  
Author(s):  
Kenneth Aggerholm ◽  
Kristian Møller Moltke Martiny

This article contributes to the understanding of embodied practices and experiences within adapted physical activity. It presents a study of a 4-day winter sports camp for young people with cerebral palsy. The experiences of the participants were investigated through qualitative interviews. The findings are analyzed through a phenomenological framework of embodiment and the notions of body schema and body image. By paying special attention to the bodily experience of “I can,” this study shows that participants learned new ways of approaching challenges, gained bodily control in challenging situations, expanded their fields of possible actions through practicing, as well as learned to understand and accept themselves. These findings reveal central values of bodily interventions for people with cerebral palsy and have the potential to inform pedagogical work within the area of adapted physical activity.


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