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Testing the neurodevelopmental, trauma and developmental risk factor models of psychosis using a naturalistic experiment

Background – The neurodevelopmental and trauma theories are two widely cited models of psychosis. A third – the developmental risk factor model (DRFM) – recognises the combined role of neurodevelopmental risks and trauma. Our objective was to test these theories using preterm populations as a natural experiment, given the high prevalence of neurodevelopmental deficits and exposure to trauma.

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Developmental cascades of social inhibition and friendships in preterm and full‐term children

Friendships are crucial to children’s socioemotional development and quality of life. Children born preterm (<37 weeks gestation) have an increased risk for social relationship difficulties, including fewer friends, but the mechanisms underlying the link between lower gestational age and fewer friendships are not clear.

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A Comparison of the effects of preterm birth and institutional deprivation on child temperament

Both preterm birth and early institutional deprivation are associated with neurodevelopmental impairment—with both shared and distinctive features

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Psychopathological outcomes of adolescent borderline personality disorder symptoms

Despite considerable morbidity and functional losses associated with adolescent borderline personality disorder, little is known about psychopathological outcomes. This study examined associations between adolescent borderline personality disorder symptoms and subsequent depressive, psychotic and hypomanic symptoms.

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The Independent and Cumulative Effects of Sibling and Peer Bullying in Childhood on Depression, Anxiety, Suicidal Ideation, and Self-Harm in Adulthood

Sibling and peer bullying are reported as the most frequent forms of violence experienced across childhood. There is now ample evidence indicating an association between sibling and peer bullying, with those reporting sibling bullying at an increased risk of peer bullying.

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Associations between infant and toddler regulatory problems, childhood co‐developing internalising and externalising trajectories, and adolescent depression, psychotic and borderline personality disorder symptoms

Early regulatory problems (RPs) are associated with childhood internalising and externalising symptoms. Internalising and externalising symptoms, in turn, are associated with adolescent psychopathology (e.g. personality disorders, depression). We examined whether RPs are directly associated with adolescent psychopathology, or whether associations are indirect via childhood internalising and externalising symptoms.

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Predictors of early motor trajectories from birth to 5 years in neonatal at‐risk and control children

Abstract

Aim – To describe motor development in preschool children, to identify perinatal, neonatal, and social environmental risk factors of poor motor development, and to replicate results in a second cohort.

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Standardisation of the Parent Report of Children’s Abilities–Revised (PARCA-R): a norm-referenced assessment of cognitive and language development at age 2 years

The Parent Report of Children’s Abilities–Revised (PARCA-R) can be used to identify preterm born children at risk for developmental delay at age 24 months. However, standardised scores for assessing all children in the general population and quantifying development relative to the norm are unavailable, thus limiting the use of the questionnaire. We aimed to develop scores that are standardised by age and sex for the PARCA-R to assess children’s cognitive and language development at age 24–27 months.

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