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Somogyi E, Hamilton M, Chinn LK, Jacquey L, Heed T, Hoffmann M, Lockman JJ, Fagard J, O'Regan JK. Tactile training facilitates infants' ability to reach to targets on the body. Child Dev 2023; 94:e154-e165. [PMID: 36651681 DOI: 10.1111/cdev.13891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
This longitudinal study investigated the effect of experience with tactile stimulation on infants' ability to reach to targets on the body, an important adaptive skill. Infants were provided weekly tactile stimulation on eight body locations from 4 to 8 months of age (N = 11), comparing their ability to reach to the body to infants in a control group who did not receive stimulation (N = 10). Infants who received stimulation were more likely to successfully reach targets on the body than controls by 7 months of age. These findings indicate that tactile stimulation facilitates the development of reaching to the body by allowing infants to explore the sensorimotor correlations emerging from the stimulation.
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Affiliation(s)
- Eszter Somogyi
- Integrative Neuroscience and Cognition Center, CNRS UMR 8002, Université Paris Cité, Paris, France.,Department of Psychology, University of Portsmouth, Portsmouth, United Kingdom
| | - Mollie Hamilton
- Integrative Neuroscience and Cognition Center, CNRS UMR 8002, Université Paris Cité, Paris, France
| | - Lisa K Chinn
- Texas Institute for Measurement, Evaluation, and Statistics, University of Houston, Houston, Texas, USA
| | - Lisa Jacquey
- ULR 4072 - PSITEC - Psychologie : Interactions, Temps, Emotions, Cognition, University of Lille, Lille, France
| | - Tobias Heed
- Department of Psychology and Centre for Cognitive Neuroscience, University of Salzburg, Salzburg, Austria
| | - Matej Hoffmann
- Department of Cybernetics, Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czech Republic
| | - Jeffrey J Lockman
- Department of Psychology, Tulane University, New Orleans, Louisiana, USA
| | - Jacqueline Fagard
- Integrative Neuroscience and Cognition Center, CNRS UMR 8002, Université Paris Cité, Paris, France
| | - J Kevin O'Regan
- Integrative Neuroscience and Cognition Center, CNRS UMR 8002, Université Paris Cité, Paris, France
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Barber O, Somogyi E, McBride EA, Proops L. Exploring the role of aliveness in children's responses to a dog, biomimetic robot, and toy dog. COMPUTERS IN HUMAN BEHAVIOR 2023. [DOI: 10.1016/j.chb.2023.107660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Face specific neural anticipatory activity in infants 4 and 9 months old. Sci Rep 2022; 12:12938. [PMID: 35902656 PMCID: PMC9334392 DOI: 10.1038/s41598-022-17273-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 07/22/2022] [Indexed: 11/09/2022] Open
Abstract
The possibility of predicting the specific features of forthcoming environmental events is fundamental for our survival since it allows us to proactively regulate our behaviour, enhancing our chance of survival. This is particularly crucial for stimuli providing socially relevant information for communication and interaction, such as faces. While it has been consistently demonstrated that the human brain shows preferential and ontogenetically early face-evoked activity, it is unknown whether specialized neural routes are engaged by face-predictive activity early in life. In this study, we recorded high-density electrophysiological (ERP) activity in adults and 9- and 4-month-old infants undergoing an audio-visual paradigm purposely designed to predict the appearance of faces or objects starting from congruent auditory cues (i.e., human voice vs nonhuman sounds). Contingent negative variation or CNV was measured to investigate anticipatory activity as a reliable marker of stimulus expectancy even in the absence of explicit motor demand. The results suggest that CNV can also be reliably elicited in the youngest group of 4-month-old infants, providing further evidence that expectation-related anticipatory activity is an intrinsic, early property of the human cortex. Crucially, the findings also indicate that the predictive information provided by the cue (i.e., human voice vs nonhuman sounds) turns into the recruitment of different anticipatory neural dynamics for faces and objects.
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Gottwald JM, Bird LA, Keenaghan S, Diamond C, Zampieri E, Tosodduk H, Bremner AJ, Cowie D. The Developing Bodily Self: How Posture Constrains Body Representation in Childhood. Child Dev 2020; 92:351-366. [PMID: 32767576 DOI: 10.1111/cdev.13425] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Adults' body representation is constrained by multisensory information and knowledge of the body such as its possible postures. This study (N = 180) tested for similar constraints in children. Using the rubber hand illusion with adults and 6- to 7-year olds, we measured proprioceptive drift (an index of hand localization) and ratings of felt hand ownership. The fake hand was either congruent or incongruent with the participant's own. Across ages, congruency of posture and visual-tactile congruency yielded greater drift toward the fake hand. Ownership ratings were higher with congruent visual-tactile information, but unaffected by posture. Posture constrains body representation similarly in children and adults, suggesting that children have sensitive, robust mechanisms for maintaining a sense of bodily self.
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Jacquey L, Fagard J, O’Regan K, Esseily R. Développement du savoir-faire corporel durant la première année de vie du bébé. ENFANCE 2020. [DOI: 10.3917/enf2.202.0175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Jacquey L, Baldassarre G, Santucci VG, O’Regan JK. Sensorimotor Contingencies as a Key Drive of Development: From Babies to Robots. Front Neurorobot 2019; 13:98. [PMID: 31866848 PMCID: PMC6904889 DOI: 10.3389/fnbot.2019.00098] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 11/06/2019] [Indexed: 01/22/2023] Open
Abstract
Much current work in robotics focuses on the development of robots capable of autonomous unsupervised learning. An essential prerequisite for such learning to be possible is that the agent should be sensitive to the link between its actions and the consequences of its actions, called sensorimotor contingencies. This sensitivity, and more particularly its role as a key drive of development, has been widely studied by developmental psychologists. However, the results of these studies may not necessarily be accessible or intelligible to roboticians. In this paper, we review the main experimental data demonstrating the role of sensitivity to sensorimotor contingencies in infants' acquisition of four fundamental motor and cognitive abilities: body knowledge, memory, generalization, and goal-directedness. We relate this data from developmental psychology to work in robotics, highlighting the links between these two domains of research. In the last part of the article we present a blueprint architecture demonstrating how exploitation of sensitivity to sensorimotor contingencies, combined with the notion of "goal," allows an agent to develop new sensorimotor skills. This architecture can be used to guide the design of specific computational models, and also to possibly envisage new empirical experiments.
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Affiliation(s)
- Lisa Jacquey
- Integrative Neuroscience and Cognition Center, UMR 8002, CNRS, Université Paris Descartes, Paris, France
- Laboratoire Ethologie Cognition Développement, Université Paris Nanterre, Nanterre, France
| | - Gianluca Baldassarre
- Laboratory of Computational Embodied Neuroscience, Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle Ricerche, Rome, Italy
| | - Vieri Giuliano Santucci
- Laboratory of Computational Embodied Neuroscience, Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle Ricerche, Rome, Italy
| | - J. Kevin O’Regan
- Integrative Neuroscience and Cognition Center, UMR 8002, CNRS, Université Paris Descartes, Paris, France
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