Influence of bodily states on cognition : A web-based study in individuals with body integrity dysphoria

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2023
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Ho, Jasmine T.
Saetta, Gianluca
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Journal of Psychiatric Research. Elsevier. 2023, 159, pp. 66-75. ISSN 0022-3956. eISSN 1879-1379. Available under: doi: 10.1016/j.jpsychires.2023.01.020
Zusammenfassung

There is a constant reciprocal flow of information between the malleable sensorimotor states of the body and cognitive functions, and some embodied cognition approaches argue that many cognitive-affective mechanisms depend on the physical characteristics of the body. To examine such influences of bodily state, the current study compared patients with body integrity dysphoria (BID) with an amputation desire of the lower limb to a healthy control group on an Implicit Association Test for self-identity and self-esteem, and a pain evaluation task. Patients with BID completed the tasks once while emulating their desired bodily state and once while simulating their undesired bodily state, while healthy controls were split into two groups: one control group completed the experiment once while either sitting on one leg and once while sitting in a normal position, whereas the other control group completed both experiments while sitting in a normal position. Results demonstrate that patients with BID implicitly identify more strongly with an amputated body, whereas healthy controls demonstrate stronger identification with a complete body, independent of bodily state. Furthermore, implicit self-esteem did not differ between the groups and was also not modulated by bodily state manipulation in any of the groups. Pain evaluation ratings were not influenced by bodily state manipulation, perspective, or consistency. Pain forced choice response times, however, revealed that individuals with BID were faster to judge whether the stimulus depicted was painful when simulating their desired bodily state. These results provide insightful information to how both the subjective sense of body, as well as more transient alterations of objective sensorimotor states of the physical body may exert selective pressure on certain cognitive tasks.

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ISO 690HO, Jasmine T., Gianluca SAETTA, Bigna LENGGENHAGER, 2023. Influence of bodily states on cognition : A web-based study in individuals with body integrity dysphoria. In: Journal of Psychiatric Research. Elsevier. 2023, 159, pp. 66-75. ISSN 0022-3956. eISSN 1879-1379. Available under: doi: 10.1016/j.jpsychires.2023.01.020
BibTex
@article{Ho2023Influ-66013,
  year={2023},
  doi={10.1016/j.jpsychires.2023.01.020},
  title={Influence of bodily states on cognition : A web-based study in individuals with body integrity dysphoria},
  volume={159},
  issn={0022-3956},
  journal={Journal of Psychiatric Research},
  pages={66--75},
  author={Ho, Jasmine T. and Saetta, Gianluca and Lenggenhager, Bigna}
}
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