Inter-Parental Conflict, Maternal Behavior, and Mother-Child Physiology

父母间冲突、母亲行为和母子生理学

基本信息

批准号：
8233279
负责人：
Leah Hibel
金额：
$ 21.95万
依托单位：
PURDUE UNIVERSITY
依托单位国家：
美国
项目类别：
财政年份：
2011
资助国家：
美国
起止时间：
2011-03-01 至 2014-02-28
项目状态：
已结题

来源：
https://reporter.nih.gov/project-details/8233279
关键词：
Address Adrenal Glands Affect Age-Months Arousal Autonomic nervous system Basic Science Behavior Biological Biological Assay Biological Markers Biology Child Child Development Child health care Code Conflict (Psychology)Couples Development Distress Emotional Empathy Family Hormones Hostility Hydrocortisone Individual Differences Infant Intervention Knowledge Laboratories Laboratory Procedures Life Literature Maternal Behavior Mediating Mental Health Moods Mother-Child Relations Mothers Outcome Measure Parent-Child Relations Parenting behavior Parents Participant Physiological Physiology Play Preventive Intervention Public Health Randomized Reaction Recovery Regulation Research Role Saliva Salivary Sampling Stress System Translational Research Video Recording Withdrawal Work alpha-amylase base biobehavior biological adaptation to stress coping design fighting hypothalamic-pituitary-adrenal axis maternal stress mother&apos s soothing physical conditioning psychobiology public health relevance research study response stressor

项目摘要

DESCRIPTION (provided by applicant): Mothers play a critical role in facilitating the development of biobehavioral regulation in the child. However, marital conflict is related to a host of negative parenting practices, and marital conflict's effect on parenting behavior is thought to be a key mechanism leading to child maladjustment. Despite strong evidence that conflict and hostility between marital partners spillsover to effect parenting behaviors, mechanisms explaining how affect and mood transfers between dyadic familial relationships remains poorly understood. However, theoretical and empirical frameworks suggest marital conflict to be a major stressor, and responsible for changes in stress responsive physiological systems. To date, no study has examined marital stress physiology as a mechanism by which marital conflict impedes the ability for a child to behaviorally and physiological regulate in the face of challenge. The proposed study aims to fill this knowledge gap by examining the extent to which marital conflict induced maternal stress physiology reduces a mother's ability to respond sensitively to her infant during distress. We will then address the implications for the infant, by examining the degree to which the infant physiologically reacts and recovers from distress with maternal support. Participants will include 150 married parents living with their biological child approximately 6 months of age. Using a randomized controlled design, we will assign couples to engage in either a conflict discussion (N= 75) or a non-conflict discussion (N=75) before engaging in a mother-infant freeplay. After the freeplay, the mother will be asked to soothe her distressed infant (the infant will undergo a standardized laboratory procedure designed to elicit distress). Four saliva samples will be collected from the mother surrounding the marital discussion and four samples will be collected from the infant surrounding the distress task. Samples will later be assayed for cortisol and salivary alpha amylase, markers of the two major components of the psychobiology of the stress response (the hypothalamic pituitary adrenal axis and the autonomic nervous system, respectively). We will first examine if marital conflict induced stress physiology is responsible for reduced sensitivity in maternal caretaking. We will then examine if maternal stress physiology is a mechanism by which maternal stress is transmitted to her infant by examining infant physiological reactivity and recovery to challenge with maternal support. PUBLIC HEALTH RELEVANCE: The proposed study aims to identify the physiological mechanisms by which marital conflict spills over into parenting behaviors and effects infant regulation. Specifically, we will be examining the effects of physiological reactivity surrounding marital conflict on maternal behavior and the infant's physiological reaction to, and ability to recover from distress with maternal support. The identification of physiological mechanisms is relevant because their discovery will provide a deeper understanding of the causes of maternal behavior and the implications for the development of child regulation, and provide the basis for new targets of family-based interventions.

描述（由申请人提供）：母亲在促进儿童生物行为调节的发展方面发挥着关键作用。然而，婚姻冲突与许多消极的养育行为有关，婚姻冲突对养育行为的影响被认为是导致儿童适应不良的关键机制。尽管有强有力的证据表明婚姻伴侣之间的冲突和敌意会溢出影响养育行为，但解释二元家庭关系之间的情感和情绪如何转移的机制仍然知之甚少。然而，理论和实证框架表明，婚姻冲突是主要的压力源，并导致压力反应性生理系统的变化。迄今为止，还没有研究将婚姻压力生理学视为婚姻冲突阻碍孩子面对挑战时行为和生理调节能力的机制。拟议的研究旨在通过检查婚姻冲突引起的母亲应激生理学降低母亲在痛苦期间对婴儿做出敏感反应的能力的程度来填补这一知识空白。然后，我们将通过检查婴儿在母亲支持下的生理反应和从痛苦中恢复的程度来解决对婴儿的影响。参与者将包括 150 名已婚父母，他们与大约 6 个月大的亲生孩子住在一起。使用随机对照设计，我们将分配夫妻在进行母婴自由玩耍之前进行冲突讨论（N = 75）或非冲突讨论（N = 75）。自由玩耍后，母亲将被要求安抚她痛苦的婴儿（婴儿将接受旨在引发痛苦的标准化实验室程序）。围绕婚姻讨论从母亲处收集四个唾液样本，从围绕遇险任务的婴儿处收集四个样本。随后将对样本进行皮质醇和唾液α淀粉酶检测，它们是应激反应心理生物学的两个主要组成部分（分别是下丘脑、垂体、肾上腺轴和自主神经系统）的标志物。我们将首先检查婚姻冲突引起的应激生理学是否导致产妇护理敏感性降低。然后，我们将通过检查婴儿对母亲支持挑战的生理反应和恢复来检查母亲应激生理学是否是母亲压力传递给婴儿的机制。公共健康相关性：拟议的研究旨在确定婚姻冲突蔓延到养育行为并影响婴儿调节的生理机制。具体来说，我们将研究围绕婚姻冲突的生理反应对母亲行为的影响，以及婴儿对母亲支持的生理反应和从痛苦中恢复的能力。生理机制的识别是相关的，因为它们的发现将有助于更深入地了解母亲行为的原因以及对儿童调节发展的影响，并为基于家庭的干预措施的新目标提供基础。