Sophie Plasschaert, Annemarie Mulders, Anne Frudiger, Anton Koning, Regine Steegers-Theunissen, Johanna de Vries, Eric Steegers, Melek Rousian
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Interindividual and intraindividual postures were analyzed over time to identify posture preferences, asymmetry, and lateralization. Sixteen embryos (<i>N</i> = 210 middle frames out of 210 resting periods) displayed 27 different embryonic body postures. Interindividual and intraindividual variations in postures were seen. Asymmetry was noted in upper extremities, whereas lateralization of the head and spine was observed in nine embryos. Intraindividual and interindividual variation in embryonic posture at 9 weeks’ GA is seen, suggesting the presence of supraspinal influences on body posture this early. Future interdisciplinary longitudinal studies on embryonic posture may provide further insights into embryonic central nervous system development, contributing to our understanding of embryonic health.</p>","PeriodicalId":11086,"journal":{"name":"Developmental psychobiology","volume":"66 8","pages":""},"PeriodicalIF":1.8000,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/dev.70000","citationCount":"0","resultStr":"{\"title\":\"Early Supraspinal Influences on Human Embryonic Posture\",\"authors\":\"Sophie Plasschaert, Annemarie Mulders, Anne Frudiger, Anton Koning, Regine Steegers-Theunissen, Johanna de Vries, Eric Steegers, Melek Rousian\",\"doi\":\"10.1002/dev.70000\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Knowledge of embryonic body posture as a reflection of neurodevelopment is limited. Here, we investigate embryonic body posture, preference, symmetry, and lateralization during periods of rest using virtual reality (VR) and four-dimensional (4D) ultrasound techniques to enhance our knowledge of neurodevelopment. It is hypothesized that lateralization and asymmetry in embryonic posture are absent. Embryos from low-risk pregnancies at 9 weeks gestational age (GA) were analyzed using a 30-min 4D ultrasound and VR techniques. In the middle of an embryonic resting period, the total body posture was determined by combining joint positions. Interindividual and intraindividual postures were analyzed over time to identify posture preferences, asymmetry, and lateralization. Sixteen embryos (<i>N</i> = 210 middle frames out of 210 resting periods) displayed 27 different embryonic body postures. Interindividual and intraindividual variations in postures were seen. Asymmetry was noted in upper extremities, whereas lateralization of the head and spine was observed in nine embryos. Intraindividual and interindividual variation in embryonic posture at 9 weeks’ GA is seen, suggesting the presence of supraspinal influences on body posture this early. Future interdisciplinary longitudinal studies on embryonic posture may provide further insights into embryonic central nervous system development, contributing to our understanding of embryonic health.</p>\",\"PeriodicalId\":11086,\"journal\":{\"name\":\"Developmental psychobiology\",\"volume\":\"66 8\",\"pages\":\"\"},\"PeriodicalIF\":1.8000,\"publicationDate\":\"2024-10-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/epdf/10.1002/dev.70000\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Developmental psychobiology\",\"FirstCategoryId\":\"102\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/dev.70000\",\"RegionNum\":4,\"RegionCategory\":\"心理学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"DEVELOPMENTAL BIOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Developmental psychobiology","FirstCategoryId":"102","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/dev.70000","RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"DEVELOPMENTAL BIOLOGY","Score":null,"Total":0}
Early Supraspinal Influences on Human Embryonic Posture
Knowledge of embryonic body posture as a reflection of neurodevelopment is limited. Here, we investigate embryonic body posture, preference, symmetry, and lateralization during periods of rest using virtual reality (VR) and four-dimensional (4D) ultrasound techniques to enhance our knowledge of neurodevelopment. It is hypothesized that lateralization and asymmetry in embryonic posture are absent. Embryos from low-risk pregnancies at 9 weeks gestational age (GA) were analyzed using a 30-min 4D ultrasound and VR techniques. In the middle of an embryonic resting period, the total body posture was determined by combining joint positions. Interindividual and intraindividual postures were analyzed over time to identify posture preferences, asymmetry, and lateralization. Sixteen embryos (N = 210 middle frames out of 210 resting periods) displayed 27 different embryonic body postures. Interindividual and intraindividual variations in postures were seen. Asymmetry was noted in upper extremities, whereas lateralization of the head and spine was observed in nine embryos. Intraindividual and interindividual variation in embryonic posture at 9 weeks’ GA is seen, suggesting the presence of supraspinal influences on body posture this early. Future interdisciplinary longitudinal studies on embryonic posture may provide further insights into embryonic central nervous system development, contributing to our understanding of embryonic health.
期刊介绍:
Developmental Psychobiology is a peer-reviewed journal that publishes original research papers from the disciplines of psychology, biology, neuroscience, and medicine that contribute to an understanding of behavior development. Research that focuses on development in the embryo/fetus, neonate, juvenile, or adult animal and multidisciplinary research that relates behavioral development to anatomy, physiology, biochemistry, genetics, or evolution is appropriate. The journal represents a broad phylogenetic perspective on behavior development by publishing studies of invertebrates, fish, birds, humans, and other animals. The journal publishes experimental and descriptive studies whether carried out in the laboratory or field.
The journal also publishes review articles and theoretical papers that make important conceptual contributions. Special dedicated issues of Developmental Psychobiology , consisting of invited papers on a topic of general interest, may be arranged with the Editor-in-Chief.
Developmental Psychobiology also publishes Letters to the Editor, which discuss issues of general interest or material published in the journal. Letters discussing published material may correct errors, provide clarification, or offer a different point of view. Authors should consult the editors on the preparation of these contributions.