Developmental biology has expanded to include prenatal and postnatal environmental factors as agents in producing phenotypes. Environmental agents can alter gene expression patterns and channel development into particular trajectories. Prenatal environments (e.g., diet, stress) can induce gene expression patterns that change metabolism in ways that can promote the survival of the offspring born into that particular environment. In addition to abiotic environmental agents, symbiotic microbes are necessary for the completion of mammalian development and have been shown to be critical for the proper development of the immune system and nervous system. The symbiotic microbes become organized into ecosystems within the body, especially in the gut, and the appreciation that organisms develop as conjoined ecosystems has important implications for biology, psychology, medicine, and public health. Indeed, microbial symbionts are necessary for the development of numerous cognitive and social behaviors in mice, and probably also in humans.
{"title":"Holobiont Development: Embryology and Ecological Succession","authors":"Scott F. Gilbert","doi":"10.1159/000534203","DOIUrl":"https://doi.org/10.1159/000534203","url":null,"abstract":"Developmental biology has expanded to include prenatal and postnatal environmental factors as agents in producing phenotypes. Environmental agents can alter gene expression patterns and channel development into particular trajectories. Prenatal environments (e.g., diet, stress) can induce gene expression patterns that change metabolism in ways that can promote the survival of the offspring born into that particular environment. In addition to abiotic environmental agents, symbiotic microbes are necessary for the completion of mammalian development and have been shown to be critical for the proper development of the immune system and nervous system. The symbiotic microbes become organized into ecosystems within the body, especially in the gut, and the appreciation that organisms develop as conjoined ecosystems has important implications for biology, psychology, medicine, and public health. Indeed, microbial symbionts are necessary for the development of numerous cognitive and social behaviors in mice, and probably also in humans.","PeriodicalId":47837,"journal":{"name":"Human Development","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136378844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Currently, a central problem for theoretical biology is the integration of development with genetics and evolutionary theory. Through the late 20th century, biologists held that animals resemble their ancestors strictly because of the transgenerational transmission of DNA. This view effectively wrote development out of evolutionary biology. However, many molecular and developmental biologists now understand that phenotypes – anatomical, physiological, and behavioral traits – are not determined by genes (i.e., DNA segments) alone; instead, they emerge epigenetically from developmental processes involving co-acting genetic factors, environmental factors, molecular epigenetic factors, and other non-genetic factors within organisms’ bodies. This insight forces a rethinking of biological inheritance. Perspectives focusing on the dynamics of developmental systems offer a compelling alternative way to think about inheritance, providing a powerful substitute to the reductionistic framework that attributes phenotypic outcomes to genetic instructions set in advance of developmental processes. Rethinking genetics, epigenetics, and inheritance by focusing on the dynamics of developmental systems helps highlight the bidirectional effects of evolutionary and developmental processes on one another, yielding a more integrated understanding of development, inheritance, and evolution. Simultaneously, this approach encourages rejection of genetic determinism, a simplistic perspective that continues to appear in psychological writing, despite its biological implausibility.
{"title":"Molecular and Systemic Epigenetic Inheritance: Integrating Development, Genetics, and Evolution","authors":"Robert Lickliter, David S. Moore","doi":"10.1159/000533192","DOIUrl":"https://doi.org/10.1159/000533192","url":null,"abstract":"Currently, a central problem for theoretical biology is the integration of development with genetics and evolutionary theory. Through the late 20th century, biologists held that animals resemble their ancestors strictly because of the transgenerational transmission of DNA. This view effectively wrote development out of evolutionary biology. However, many molecular and developmental biologists now understand that phenotypes – anatomical, physiological, and behavioral traits – are not determined by genes (i.e., DNA segments) alone; instead, they emerge epigenetically from developmental processes involving co-acting genetic factors, environmental factors, molecular epigenetic factors, <i>and</i> other non-genetic factors within organisms’ bodies. This insight forces a rethinking of biological inheritance. Perspectives focusing on the dynamics of developmental systems offer a compelling alternative way to think about inheritance, providing a powerful substitute to the reductionistic framework that attributes phenotypic outcomes to genetic instructions set <i>in advance</i> of developmental processes. Rethinking genetics, epigenetics, and inheritance by focusing on the dynamics of developmental systems helps highlight the bidirectional effects of evolutionary and developmental processes on one another, yielding a more integrated understanding of development, inheritance, and evolution. Simultaneously, this approach encourages rejection of genetic determinism, a simplistic perspective that continues to appear in psychological writing, despite its biological implausibility.","PeriodicalId":47837,"journal":{"name":"Human Development","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135486885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jeremy I.M. Carpendale, Viktoria A. Kettner, Irene Guevara de Haro
Communicative development can be better understood by examining the diversity of gestures and how various forms of gestures are interlinked in their developmental origins – their genealogy. To draw attention to the differences and interrelations among forms of gestures, we group gestures into three families based on their developmental origins: (1) action-based gestures that develop from infants’ spontaneous actions that others respond to; (2) conventional gestures; and (3) iconic gestures. Although these diverse gestures are acquired through somewhat different developmental pathways, we argue that they develop in the context of shared experiences within social routines. What differs is the relative role of the caregiver and child in initiating the routine. In viewing communicative development in this way, we show the importance of basing our investigations on an adequate conception of meaning in order to recognize the similarity in the underlying processes involved in early communicative development.
{"title":"A Genealogy of Gestures: On the Nature and Emergence of Forms of Gestural Communication within Shared Routines","authors":"Jeremy I.M. Carpendale, Viktoria A. Kettner, Irene Guevara de Haro","doi":"10.1159/000533645","DOIUrl":"https://doi.org/10.1159/000533645","url":null,"abstract":"Communicative development can be better understood by examining the diversity of gestures and how various forms of gestures are interlinked in their developmental origins – their genealogy. To draw attention to the differences and interrelations among forms of gestures, we group gestures into three families based on their developmental origins: (1) action-based gestures that develop from infants’ spontaneous actions that others respond to; (2) conventional gestures; and (3) iconic gestures. Although these diverse gestures are acquired through somewhat different developmental pathways, we argue that they develop in the context of shared experiences within social routines. What differs is the relative role of the caregiver and child in initiating the routine. In viewing communicative development in this way, we show the importance of basing our investigations on an adequate conception of meaning in order to recognize the similarity in the underlying processes involved in early communicative development.","PeriodicalId":47837,"journal":{"name":"Human Development","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136350025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Can the study of epigenetics, physiology and cognitive science contribute to the investigation and understanding of social-cultural systems while respecting the autonomy of social research? I present a developmental system theory (DST) approach, which takes the unit of analysis to be the system of self-sustaining interactions among multiple biological, psychological and social resources. On this view, the cybernetic architecture of the networks that constitute the system channels development, so that different trajectories lead to convergent end-states, accounting for the system’s developmental stability, as well as shedding light on the conditions that lead to departures from typical outcomes. Based on previous work, which is extended here, I suggest that Waddington’s epigenetic landscape metaphor, which was built to illustrate the relationship between genetic networks and embryological development is a useful tool for thinking about the temporal dynamics of social systems, capturing some important features of social stability and change at different scales and levels of social organization. I discuss five social systems using the landscape metaphor and explore the implications of this DST approach for investigating the relations between socio-cultural development and evolution.
{"title":"Interacting Networks in Social Landscapes \u0000Interacting Networks in Social Landscapes: A Devo-Evo Approach to Social-cultural Dynamics","authors":"E. Jablonka","doi":"10.1159/000533164","DOIUrl":"https://doi.org/10.1159/000533164","url":null,"abstract":"Can the study of epigenetics, physiology and cognitive science contribute to the investigation and understanding of social-cultural systems while respecting the autonomy of social research? I present a developmental system theory (DST) approach, which takes the unit of analysis to be the system of self-sustaining interactions among multiple biological, psychological and social resources. On this view, the cybernetic architecture of the networks that constitute the system channels development, so that different trajectories lead to convergent end-states, accounting for the system’s developmental stability, as well as shedding light on the conditions that lead to departures from typical outcomes. Based on previous work, which is extended here, I suggest that Waddington’s epigenetic landscape metaphor, which was built to illustrate the relationship between genetic networks and embryological development is a useful tool for thinking about the temporal dynamics of social systems, capturing some important features of social stability and change at different scales and levels of social organization. I discuss five social systems using the landscape metaphor and explore the implications of this DST approach for investigating the relations between socio-cultural development and evolution.","PeriodicalId":47837,"journal":{"name":"Human Development","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48546460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}