My true face: Unmasking one's own face representation

Mora, Laura; Cowie, Dorothy; Banissy, Michael J.; Cocchini, Gianna

doi:10.1016/j.actpsy.2018.08.014

Cited by 25 publications

(38 citation statements)

References 35 publications

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“…By introducing visual feedback and enabling pointing by visuo-motor control, purely proprioceptive-based face topography cannot be evaluated; however, the main research question in the present study was whether young children can maintain their motivation for task repetition. Therefore, a direct comparison with the Mora et al (2018) findings is a task for the future. However, if we can sophisticate our task to distinguish visuo-motor control and measure the mistouched points in more detail, we will be able to quantify the distortion of the face topography.…”

Section: Summary and Future Directionsmentioning

confidence: 96%

“…How can the findings of the present study be considered in adult studies of face topography? As stated above, in Mora et al (2018) study, adult participants were asked to point to 11 face landmarks (i.e., hairline, corners of each eye, tip of nose, lateral side of both nostrils, corners of the mouth, and chin). The results showed overestimated of the width of the nose and mouth (Mora et al, 2018).…”

Section: Summary and Future Directionsmentioning

confidence: 99%

“…In this study, as the first step before exploring whole body topography, we developed a new task for evaluating face topography in children aged 2.5 and 3.5 years. Previous studies examining body topography in adult participants have used several perspectives for the estimation: face (Fuentes et al, 2013b; Serino et al, 2015; Estudillo and Bindemann, 2017; Mora et al, 2018; Porciello et al, 2018), hands (Longo and Haggard, 2010; Longo, 2017), and the whole body (Fuentes et al, 2013a). Many studies demonstrated interesting distortions or plasticity of face, hands, and whole body topography in adults.…”

Section: Introductionmentioning

confidence: 99%

“…In particular, several methods have been employed in studies examining face topography in adults; however, the methods used in these studies are not directly applicable to young children. For example, Mora et al (2018) developed a proprioceptive pointing task to locate face landmarks in the first-person perspective. A vertical acrylic sheet was placed in front of the participants, very close to their face.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Touching! An Augmented Reality System for Unveiling Face Topography in Very Young Children

Miyazaki

Asai

Mugitani

2019

Front. Hum. Neurosci.

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Developmental body topography, particularly of the face, is a fundamental research topic in the current decade. However, empirical investigation of this topic for very young children faces a number of difficulties related to the task requirements and technical procedures. In this study, we developed a new task to study the spatially-sensed position of facial parts in a self-face recognition task for 2.5- and 3.5-year-old children. Using the technique of augmented reality (AR) and 3D face tracking technology, we presented participants with their projected self-image on a screen, accompanied by a digital mark located on parts of their face. We prepared a cheerful visual and auditory reward on the screen when participants showed correct localization of the mark. We then tested whether they could indicate the position of the mark on their own faces and remain motivated for task repetition. To assess the efficacy of this task, 31 2.5- and 11 3.5-year-old children participated in this study. About half of the 2.5-year-olds and 80% of the 3.5-year-olds could perform more than 30 trials. Our new task, then, was to maintain young children’s motivation for task repetition using the cheerful visual and auditory reward. The analysis of localization errors suggested the uniqueness of spatial knowledge of self-face in young children. The efficacy of this new task for studying the development of body image has been confirmed.

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Section: Summary and Future Directionsmentioning

confidence: 96%

Section: Summary and Future Directionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Touching! An Augmented Reality System for Unveiling Face Topography in Very Young Children

Miyazaki

Asai

Mugitani

2019

Front. Hum. Neurosci.

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show abstract

“…Sample size was determined by an a priori power analysis run with G* Power (Faul, Erdfelder, Buchner & Lang, 2009), which considered the type of analyses required to assess: i) differences between real and represented body measures by means of t-tests; and ii) differences between represented body measures among different conditions by means of analysis of variance. We also considered previous studies on body representation adopting a localization task that reported an averaged effect size for one sample t-test of 0.8 (i.e., Ganea & Longo, 2017;Mora, Cowie, Banissy & Cocchini, 2018).…”

Section: Participantsmentioning

confidence: 99%

The functional body: does body representation reflect functional properties?

Caggiano

Cocchini

2019

Exp Brain Res

Self Cite

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There is a growing interest in the distortions of body representation in healthy population and most studies have focused their attention on specific parts of the body, such as the hands. Only three studies have considered the representation of the body as a whole. Findings, acquired by different means of assessment methods, are partially contrasting, leading to different interpretations. The present study aims to investigate which aspects of body representation can be preserved regardless of the method adopted and whether current and previous findings can be explained by a unique theoretical model. In Experiments 1a and 1b we adopted a modified version of the Body Image Task to investigate body representations in real scale and the relationship of its parts. Participants judged the location of body landmarks by pointing on their own silhouette imagined on a wall in front of them. In Experiment 2 we investigated i) whether the pattern of distortions observed in the first experiment are maintained across different methods by asking participants to estimate the veracity and proportionality of the length of their own body parts; and ii) whether similar distortions can be generalized to stereotypical representations. Overall, we observed a consistent pattern of distortions, whereby upper body limbs are underestimated and lower parts of the body are overestimated across all experiments and conditions. These findings are then interpreted as the result of a functional relationship between body parts and daily actions, which underlie a close modulation of body schema and body image. This interpretation offers a reconciliation of seemingly contradictory findings in the literature and supports to the co-construction model (Pitron et al., 2018).

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No differences in implicit hand maps among different degrees of autistic traits

Hidaka,

Chen,

Ishii

et al. 2023

Autism Research

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People with autism spectrum disorder (ASD) or higher levels of autistic traits have atypical characteristics in sensory processing. Atypicalities have been reported for proprioceptive judgments, which are tightly related to internal bodily representations underlying position sense. However, no research has directly investigated whether self‐bodily representations are different in individuals with ASD. Implicit hand maps, estimated based on participants' proprioceptive sensations without sight of their hand, are known to be distorted such that the shape is stretched along the medio‐lateral hand axis even for neurotypical participants. Here, with the view of ASD as falling on a continuous distribution among the general population, we explored differences in implicit body representations along with autistic traits by focusing on relationships between autistic traits and the magnitudes of the distortions in implicit hand maps (N ~ 100). We estimated the magnitudes of distortions in implicit hand maps both for fingers and hand surfaces on the dorsal and palmar sides of the hand. Autistic traits were measured by questionnaires (Autism Spectrum [AQ] and Empathy/Systemizing [EQ‐SQ] Quotients). The distortions in implicit hand maps were replicated in our experimental situations. However, there were no significant relationships between autistic traits and the magnitudes of the distortions as well as within‐individual variabilities in the maps and localization performances. Consistent results were observed from comparisons between IQ‐matched samples of people with and without a diagnosis of ASD. Our findings suggest that there exist perceptual and neural processes for implicit body representations underlying position sense consistent across levels of autistic traits.

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My true face: Unmasking one's own face representation

Cited by 25 publications

References 35 publications

Touching! An Augmented Reality System for Unveiling Face Topography in Very Young Children

Touching! An Augmented Reality System for Unveiling Face Topography in Very Young Children

The functional body: does body representation reflect functional properties?

No differences in implicit hand maps among different degrees of autistic traits

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