Showing papers by "Jay Belsky published in 2023"
TL;DR: In this paper , a range of biological mechanisms likely involved in the pathway from prenatal stress exposure to postnatal environmental sensitivity are discussed, including genetic differences, gender, as well as the timing, duration and intensity of prenatal exposures.
Abstract: Abstract According to several theories, people differ in their sensitivity to environmental influences with some more susceptible than others to both supportive and adverse contextual conditions. Such differences in environmental sensitivity have a genetic basis but are also shaped by environmental factors. Herein we narratively build on our previous work proposing that prenatal experiences contribute to the development of environmental sensitivity. This hypothesis of prenatal programming of postnatal plasticity has considerable empirical support. After presenting illustrative animal and human evidence consistent with this claim, we discuss a range of biological mechanisms likely involved in the pathway from prenatal stress exposure to postnatal environmental sensitivity. We also consider work suggesting that genetic differences, gender, as well as the timing, duration and intensity of prenatal exposures may moderate the effects of prenatal programming on postnatal environmental susceptibility or sensitivity. Before concluding, we highlight “unknowns in the prenatal programming of environmental sensitivity” and their practical implications. Ultimately, we conclude that prenatal stress does not necessarily predispose individuals to problematical development, but rather increases sensitivity to both adverse and supportive postnatal contexts. Thus, prenatal stress may actually foster positive development if paired with supportive and caring postnatal environments.
TL;DR: The Parfective Microtrial in a randomized controlled microtrial, in which they focus not just on parental and child responsiveness but also on an underlying physiological mechanism hypothesized to contribute to heightened susceptibility to parenting interventions as mentioned in this paper .
Abstract: Background Given evidence that parenting can influence children’s development, parenting interventions are often the strategy of choice when it comes to treating children’s disruptive behavior problems—or preventing problems from developing in the first place. What remains under appreciated, however, is that some parents appear to be more responsive to interventions to foster skilled parenting than others. Notable in this regard is the ever-increasing observational and, perhaps more importantly, experimental evidence indicating that some children prove more susceptible to parenting interventions than others. So, while the experimental evidence clearly indicates that “susceptibility factors” which children carry seem to affect their likelihood of benefiting from a parenting intervention (and other environmental influences), what remains unclear is why the parenting interventions in question prove more effective in changing the behavior of some parents more than others. Could it be as a result of their own parental characteristics? Objective The Parfective Microtrial in a randomized controlled microtrial, in which we focus not just on parental (and child) responsiveness but also on an underlying physiological mechanism hypothesized to contribute to heightened susceptibility to parenting interventions. Methods Participants are 120 families, with children aged 4–5 years, recruited from the community. Of these, 60 are randomly assigned to the “micro” intervention condition (i.e., immediate positive parenting feedback) and 60 families to the care-as-usual control condition. Assessments in both conditions will be conducted at baseline (pretest), after 2 weeks (posttest), and after 4 weeks (follow-up). Primary outcomes are the hypothesized moderating effects of physiology on the anticipated “micro” intervention effect (i.e., decrease in negative parenting behavior and/or increase in positive parenting behavior). Secondary outcomes are the observed (changes in) child behavior in response to the parenting intervention, such that those parents and children—in the same family—who manifest these physiological attributes will prove most susceptible to the beneficial effects of the intervention. Trial registration This study protocol is registered at ClinicalTrials.gov (NCT05539170).