Publikation: Is this my foot? : Experimentally induced disownership in individuals with body integrity dysphoria
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In body integrity dysphoria (BID), otherwise healthy individuals feel like a part of their physical body does not belong to them despite normal sensorimotor functioning. Theoretical and empirical evidence suggested a weakened integration of the affected body part into higher-order multisensory cortical body networks. Here, we used a multisensory stimulation paradigm in mixed reality to modulate and investigate multisensory processing underlying body (dis)ownership in individuals with BID of the lower limb. In 20 participants with BID, delay perception and body ownership were measured after introducing delays between the visual and tactile information of viewed stroking applied to affected and unaffected body parts. Unlike predicted, delay perception did not differ between the two body parts. However, specifically for the affected limb, ownership was lower and more strongly modulated by delay. These findings might be following the idea of a stronger dependency on online bottom up sensory signals in BID.
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WEIJS, Marieke L., Jasmine T. HO, Marte ROEL LESUR, Bigna LENGGENHAGER, 2022. Is this my foot? : Experimentally induced disownership in individuals with body integrity dysphoria. In: Consciousness and Cognition. Elsevier. 2022, 106, 103432. ISSN 1053-8100. eISSN 1090-2376. Available under: doi: 10.1016/j.concog.2022.103432BibTex
@article{Weijs2022-11Exper-59630, year={2022}, doi={10.1016/j.concog.2022.103432}, title={Is this my foot? : Experimentally induced disownership in individuals with body integrity dysphoria}, volume={106}, issn={1053-8100}, journal={Consciousness and Cognition}, author={Weijs, Marieke L. and Ho, Jasmine T. and Roel Lesur, Marte and Lenggenhager, Bigna}, note={Article Number: 103432} }
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