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Maternal sensitivity is a mother's ability to perceive and infer the meaning behind her infant's behavioural signals, and to respond to them promptly and appropriately. Maternal sensitivity affects child development at all stages through life, from infancy, all the way to adulthood. In general, more sensitive mothers have healthier, more socially and cognitively developed children than those who are not as sensitive. Also, maternal sensitivity has been found to affect the person psychologically even as an adult.〔 Adults who experienced high maternal sensitivity during their childhood were found to be more secure than those who experienced less sensitive mothers.〔 Once the adult becomes a parent themselves, their own understanding of maternal sensitivity will affect their own children's development.〔 Some research suggests that adult mothers display more maternal sensitivity than adolescent mothers who may in turn have children with a lower IQ and reading level than children of adult mothers. There are different ways of assessing maternal sensitivity, such as through the use of naturalistic observation, the Strange Situation, maternal-synchrony, and maternal mind-mindedness. There are also a number of ways of measuring maternal sensitivity in the scientific world, which include Ainsworth's Maternal Sensitivity Scale (AMSS), the Maternal Behaviour Q-sort (MBQS), and the Pederson and Moran Sensitivity Q-Sort. ==Description== Maternal sensitivity was first defined by Mary Ainsworth as "a mother's ability to perceive and interpret accurately her infant's signals and communications and then respond appropriately". It was later revised by Karl and Broom in 1995 as "a mother's ability to recognize infant cues consistently and act on those cues, and the ability to monitor and accurately interpret infant cues, as evidenced by mother–child interactions that are contingent, reciprocal and affectively positive". It can be generally defined as a broad concept combining a variety of behavioral care giving attributes.〔 The research on maternal sensitivity follows earlier work in psychoanalytics and is especially rooted in attachment theory. As the focus of psychoanalytics shifted from individuals (particularly adults) to children, research studies on mother–infant dyads, on the effects of early childhood on development, and on pregnancy became wider. A psychologist named John Bowlby eventually developed the attachment theory in 1969. Mary Ainsworth, who worked with Bowlby, along with her colleagues created the concept of maternal sensitivity in 1978 in order to describe early mother–infant interaction observed in her empirical studies.〔Kemppinen, K. (2007). ''Early Maternal Sensitivity: Continuity and Related Risk Factors''. Kuopio University Publications D. Medical Sciences 412. p. 19.〕 There are four important aspects of maternal sensitivity: dynamic process involving maternal abilities, reciprocal give-and-take with the infant, contingency on the infant's behavior, and quality of maternal behaviors.〔 Maternal sensitivity is dynamic, elastic and can change over time. A sensitive mother needs to be able to perceive the cues and signals her baby gives her, interpret them correctly and act appropriately. The three most positive affecting factors for the baby are a mother's social support, maternal–fetal attachment and high self-esteem. The three most negative affecting factors are maternal depression, maternal stress, and maternal anxiety.〔 Recent studies have shown that maternal posttraumatic stress disorder (PTSD) can negatively impact a mother's sensitivity during stressful moments with her child that serve as traumatic reminders and that this quite likely has a neural basis in the maternal brain. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Maternal sensitivity」の詳細全文を読む スポンサード リンク
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