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The Adult Attachment Interview (AAI) is a widely used measure in developmental science that assesses adults’ current states of mind regarding early attachment-related experiences with their primary caregivers. The standard system for coding the AAI recommends classifying individuals categorically as having an autonomous, dismissing, preoccupied, or unresolved attachment state of mind. However, previous factor and taxometric analyses suggest that: (a) adults’ attachment states of mind are captured by two weakly correlated factors reflecting adults’ dismissing and preoccupied states of mind and (b) individual differences on these factors are continuously rather than categorically distributed. The current study revisited these suggestions about the latent structure of AAI scales by leveraging individual participant data from 40 studies (N = 3,218), with a particular focus on the controversial observation from prior factor analytic work that indicators of preoccupied states of mind and indicators of unresolved states of mind about loss and trauma loaded on a common factor. Confirmatory factor analyses indicated that: (a) a 2-factor model with weakly correlated dismissing and preoccupied factors and (b) a 3-factor model that further distinguished unresolved from preoccupied states of mind were both compatible with the data. The preoccupied and unresolved factors in the 3-factor model were highly correlated. Taxometric analyses suggested that individual differences in dismissing, preoccupied, and unresolved states of mind were more consistent with a continuous than a categorical model. The importance of additional tests of predictive validity of the various models is emphasized.

This study examined the psychopathological and psychosocial risk profile and the quality of mother–infant interaction in 98 adolescent and young mother–infant dyads. At their infant’s age of 3 months, mothers filled in a socio-demographic form and completed a test battery: EPDS for depression, STAY-I for anxiety, PSI-SF for parenting stress, MPSS for social support, AAI for maternal attachment and reflective functioning, CECA for adverse childhood experiences, Care-Index and Mind-mindedness coding system for mother–infant interaction. Results showed that motherhood in adolescence was associated with several psychosocial risk factors. Adolescent and young mothers have depression (25%), anxiety (29%) and insecure attachment (65%), with low reflective functioning, of whom 18% have disorganized attachment. A total of 54% of the mothers had at least one adverse childhood experience. Furthermore, adolescent mothers had low sensitivity and mind-mindedness and high intrusiveness, and their infant had low responsiveness and high passive behaviors. Mothers under 18 have experienced more sexual abuse, are more likely to be single and have been followed by child social services more than mothers aged 18–21. Adolescent mothers have a high-risk psychopathological and psychosocial profile that affects their ability to mentalize and build an adequate relationship with the child. It appears to be important to support the adolescent mother–child relationship.

Parents' attachment representations and child-parent attachment have been shown to be associated, but these associations vary across populations (Verhage et al., 2016). The current study examined whether ecological factors may explain variability in the strength of intergenerational transmission of attachment, using individual participant data (IPD) meta-analysis. Analyses on 4,396 parent-child dyads (58 studies, child age 11-96 months) revealed a combined effect size of r = .29. IPD meta-analyses revealed that effect sizes for the transmission of autonomous-secure representations to secure attachments were weaker under risk conditions and weaker in adolescent parent-child dyads, whereas transmission was stronger for older children. Findings support the ecological constraints hypothesis on attachment transmission. Implications for attachment theory and the use of IPD meta-analysis are discussed.

The study evaluated reflective functioning (RF), maternal attachment, mind-mindedness, and emotional availability among 44 adolescent mother–infant dyads and 41 adult mother–infant dyads. At infant age 3Âmonths, mother–infant interaction was coded with the mind-mindedness coding system and Emotional Availability Scales; mother attachment and RF were evaluated with the Adult Attachment Interview (AAI). Adolescent mothers (vs. adult mothers) were more insecure and had lower RF; they were also less sensitive, more intrusive and hostile, and less structuring of their infant’s activity; they used fewer attuned mind-related comments and fewer mind-related comments appropriate to infant development. In adult mothers, the Mother Idealizing and Lack of Memory AAI scales were correlated to non-attuned mind-related comments and the Father Anger scale to negative mind-related comments. In adult mothers, RF was associated with sensitivity. This was not the case with adolescent mothers. In both groups of mothers, there were no associations between sensitivity and mind-mindedness

Background: Maternal childhood experiences of maltreatment affect parenting and have consequences for a child's social-emotional development. Adolescent mothers have a higher frequency of a history of maltreatment than adult mothers. However few studies have analyzed the interactions between adolescent mothers with a history of childhood maltreatment and their infants. Objective: The aim of the study was to examine the effect of maternal childhood experiences of maltreatment on mother-infant emotion regulation at infant 3 months, considering both infant and mother individual emotion regulation and their mutual regulation. Participants: Participants were 63 adolescent and young adult mother-infant dyads recruited at a hospital. Methods: The mothers were administered the Adult Attachment Interview to evaluate reflective functioning and attachment and the Childhood Experiences of Care and Abuse was used to evaluate maternal childhood experiences of maltreatment. Mother-infant interactions were coded with a modified version of the Infant Caregiver Engagement Phases. Results: Dyads with mothers with childhood maltreatment (vs dyads with mothers with no maltreatment) spent more time in negative emotional mutual regulation (p = .009) and less time in positive and neutral mutual emotion regulation (p = .019). Cumulative maternal childhood experiences of maltreatment were associated positively with mother and infant negative states at individual and dyadic level and with the AAI scales of Passivity and Unresolved Trauma (p < .05). The effect of cumulative maternal childhood experiences of maltreatment on mother-infant emotion regulation was direct and not mediated by maternal attachment and reflective function. Conclusions: Maternal childhood experiences of maltreatment increase the risk connected to early motherhood, affecting mother-infant emotion regulation.

Early motherhood is considered a risk factor for an adequate relationship between mother and infant and for the subsequent development of the infant. The principal aim of the study is to analyze micro-analytically the effect of motherhood in adolescence on the quality of mother-infant interaction and emotion regulation at three months, considering at the same time the effect of maternal attachment on these variables. Participants were 30 adolescent mother-infant dyads compared to 30 adult mother-infant dyads. At infant 3 months, mother-infant interaction was video-recorded and coded with a modified version of the Infant Caregiver Engagement Phases and the Adult Attachment Interview was administered to the mother. Analysis showed that adolescent mothers (vs. adult mothers) spent more time in negative engagement and their infants spent less time in positive engagement and more time in negative engagement. Adolescent mothers are also less involved in play with their infants than adult mothers. Adolescent mother-infant dyads (vs. adult mother-infant dyads) showed a greater duration of negative matches and spent less time in positive matches. Insecure adolescent mother-infant dyads (vs. insecure adult mother-infant dyads) demonstrated less involvement in play with objects and spent less time in positive matches. To sum up adolescent mother-infant dyads adopt styles of emotion regulation and interaction with objects which are less adequate than those of dyads with adult mothers. Insecure maternal attachment in dyads with adolescent mothers (vs. adult mother infant dyads) is more influential as risk factor.

We examined the association between the quality of maternal representations of attachment evaluated by the Adult Attachment Interview (AAI) and mother– infant styles of regulating attention and emotion during free play with objects in 41 mother–infant dyads when infants were nine months old. The secure mother dyads showed a greater duration of engagement matches, with more positive matches, and a greater capacity to move from non-matched to matched states. Secure mother dyads demonstrated greater involvement in play with objects than insecure mother dyads. Insecure mother dyads showed a greater duration of mismatches and spent more time in negative matches. Correlations between maternal AAI scores and the variables studied also showed that the maternal Passivity and Unresolved scales were associated with less adequate dyadic attention and emotion regulation, while the maternal Coherence scale was associated with more adequate dyadic attention and emotion regulation.