Motor-based bodily self is selectively impaired in eating disorders

Campione, Giovanna Cristina; Mansi, Gianluigi; Fumagalli, Alessandra; Fumagalli, B; Sottocornola, Simona; Molteni, Massimo; Micali, Nadia

doi:10.1371/journal.pone.0187342

Cited by 13 publications

(15 citation statements)

References 68 publications

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“…This finding contrasts with recent study by Campione et al (2017), which compared women with disordered eating and age-and gender-matched controls in their ability to implicitly recognise their own body. The results showed that women with EDs differed from controls in their ability to process self-stimuli vs. non-self-stimuli and did not demonstrate the classic self-body advantage.…”

Section: Discussioncontrasting

confidence: 99%

Self-body recognition and attitudes towards body image in younger and older women

Bellard

Urgesi

Cazzato

2021

Arch Womens Ment Health

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Despite the fact that ageing causes dramatic changes in bodily appearance, little is known about how self-body recognition changes across life span. Here, we investigated whether older, compared to younger women, differed in the ability of recognising their own than other women’s body parts and whether this effect was associated to negative body image dispositions. Twenty-eight young (Mage: 25.93 years, SDage = 4.74) and 25 middle-aged (Mage: 54.36 years, SDage = 4.54) women completed an implicit task consisting of visual matching of self and others’ body parts and an explicit self–other body discrimination task. Stimuli comprised of images of body parts of the participant and of other age- and BMI-matched models, which were presented in the original size or modified to look rounder or thinner. Measures of adiposity (i.e. BMI), body image concerns and appearance-related worries for specific body parts and for the whole body were also collected. Whilst both groups showed a self-body advantage in the implicit, but not in the explicit task, the advantage was notably bigger for the younger group. However, the implicit self-advantage was higher in those middle-aged women that displayed more body image concerns and worries for specific body parts. Furthermore, the two groups were comparably less able in recognising their body parts when presented thinner as compared to rounder or in their actual size. Overall, these findings open the possibility that, as women age, their implicit self-recognition abilities may decline in association with more negative body image dispositions.

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Section: Discussioncontrasting

confidence: 99%

Self-body recognition and attitudes towards body image in younger and older women

Bellard

Urgesi

Cazzato

2021

Arch Womens Ment Health

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“…In the future, these visual hand recognition tasks must be investigated in persons suffering from eating disorders. In fact, Campione et al (2017) have already applied these visual hand tasks to eating disorder outpatient, but they did not report the results of the relationship between task performance and body image in the self-other discrimination task.…”

Section: Discussionmentioning

confidence: 99%

“…All participants performed the laterality judgment task first, followed by the self-other discrimination task on the same day (cf. Campione et al, 2017 ). We adopted this order to minimize participants’ attention to hand ownership when completing the laterality judgment task.…”

Section: Methodsmentioning

confidence: 99%

“…Recently, several studies using these visual hand recognition tasks have investigated task performance in clinical populations in comparison with healthy participants. In Campione et al (2017) , women outpatients diagnosed with eating disorders [ N = 15; mean (± SD) age = 18.0 ± 2.1; age range = 15–21] were recruited, and they did not show the self-advantage effect in a hand laterality judgment task (although the RTs of these outpatients were comparable to those of the control participants). Furthermore, Conson et al (2016) found that individuals with autism spectrum disorder [ASD; 18 participants (1 woman); mean (± SD) age = 14.6 ± 4.2; age range = 10–20] showed significantly longer RTs in comparison with typically developing (TD) peers in a classical hand laterality judgment task in which self-hand images were not used (see also Conson et al, 2013 ).…”

Section: Introductionmentioning

confidence: 99%

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Visual Hand Recognition in Hand Laterality and Self-Other Discrimination Tasks: Relationships to Autistic Traits and Positive Body Image

Kuroki

Fukui

2020

Front. Psychol.

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In a study concerning visual body part recognition, a “self-advantage” effect, whereby self-related body stimuli are processed faster and more accurately than other-related body stimuli, was revealed, and the emergence of this effect is assumed to be tightly linked to implicit motor simulation, which is activated when performing a hand laterality judgment task in which hand ownership is not explicitly required. Here, we ran two visual hand recognition tasks, namely, a hand laterality judgment task and a self-other discrimination task, to investigate (i) whether the self-advantage emerged even if implicit motor imagery was assumed to be working less efficiently and (ii) how individual traits [such as autistic traits and the extent of positive self-body image, as assessed via the Autism Spectrum Quotient (AQ) and the Body Appreciation Scale-2 (BAS-2), respectively] modulate performance in these hand recognition tasks. Participants were presented with hand images in two orientations [i.e., upright (egocentric) and upside-down (allocentric)] and asked to judge whether it was a left or right hand (an implicit hand laterality judgment task). They were also asked to determine whether it was their own, or another person’s hand (an explicit self-other discrimination task). Data collected from men and women were analyzed separately. The self-advantage effect in the hand laterality judgment task was not revealed, suggesting that only two orientation conditions are not enough to trigger this motor simulation. Furthermore, the men’s group showed a significant positive correlation between AQ scores and reaction times (RTs) in the laterality judgment task, while the women’s group showed a significant negative correlation between AQ scores and differences in RTs and a significant positive correlation between BAS-2 scores and dprime in the self-other discrimination task. These results suggest that men and women differentially adopt specific strategies and/or execution processes for implicit and explicit hand recognition tasks.

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“…Therefore, the LRJT for the hand and the foot can be implemented to evaluate the body schema because it uses an implicit motor imagery, whereas the LRJT which contains multiple body parts should be implemented with caution. Eating disorder [56] Asperger syndrome [57] Locked in syndrome [58,59] Developmental coordination disorder [60] Asomotognosia [61] Spinal cord injury [62] Asall Kim, Chung-hwi Yi…”

Section: Discussionmentioning

confidence: 99%

Understanding the Left Right Judgement Test: A Literature Review

Kim

2021

Physical Therapy Korea

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Motor-based bodily self is selectively impaired in eating disorders

Cited by 13 publications

References 68 publications

Self-body recognition and attitudes towards body image in younger and older women

Self-body recognition and attitudes towards body image in younger and older women

Visual Hand Recognition in Hand Laterality and Self-Other Discrimination Tasks: Relationships to Autistic Traits and Positive Body Image

Understanding the Left Right Judgement Test: A Literature Review

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