Maartje P C M Luijk

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Both attachment insecurity and maternal depression are thought to affect infants' emotional and physiological regulation. In the current study, Strange Situation Procedure (SSP) attachment classifications, and cortisol stress reactivity and diurnal rhythm were assessed at 14 months in a prospective cohort study of 369 mother-infant dyads. Maternal lifetime(More)
BACKGROUND AND METHODS In two birth cohort studies with genetic, sensitive parenting, and attachment data of more than 1,000 infants in total, we tested main and interaction effects of candidate genes involved in the dopamine, serotonin, and oxytocin systems (DRD4, DRD2, COMT, 5-HTT, OXTR) on attachment security and disorganization. Parenting was assessed(More)
The practice of parent and child sharing a sleeping surface, or 'bed-sharing', is one of the most controversial topics in parenting research. The lay literature has popularized and polarized this debate, offering on one hand claims of dangers, and on the other, of benefits - both physical and psychological - associated with bed-sharing. To address the(More)
BACKGROUND Family history is a major risk factor for child problem behaviour, yet few studies have examined the association between grandparental psychiatric disorder and child problem behaviour. Results are inconsistent as to whether the effect of grandparental depression on child problem behaviour is independent of parental psychopathology. METHODS(More)
OBJECTIVE To examine the association of breastfeeding with maternal sensitive responsiveness and infant-mother attachment security and disorganization. METHODS We included 675 participants of a prospective cohort study. Questionnaires about breastfeeding practices were administered at 2 and 6 months postpartum. At 14 months, maternal sensitive(More)
BACKGROUND The effects of child care services on several domains of child development have been extensively investigated, but evidence regarding the effects of child care on language development remains inconclusive. METHODS Within a large-scale population-based study, we examined the longitudinal associations between non-parental child care and language(More)
Household crowding can place young children at risk for respiratory infections which subsequently provoke asthma symptoms. However, crowding might also protect against asthma, in accordance with the hygiene hypothesis. We tested if parent-infant bed-sharing, an important dimension of household crowding, increases or decreases the risk for asthma. In a(More)
AIM We studied the effects of early mother-child relationship quality and child temperament on the development of child compliance and active resistance in a large population-based cohort study (n = 534). BACKGROUND Parenting and the quality of the parent-child relationship can either hamper or support the development of child compliance directly or in(More)
Attachment disorganization in infancy is a risk factor for behavior problems and other psychopathology. Traditionally the role of parental behavior for qualitative differences in early attachment relationships has been emphasized. However, disrupted infant-parent interactions only partly explain attachment disorganization. A complementary focus on child(More)