The reciprocal relation between children’s attachment representations and their cognitive ability

This study explores reciprocal relations between children’s attachment representations and their cognitive ability. Previous literature has mainly focused on the prediction of cognitive abilities from attachment, rarely on the reverse prediction. This was explored in the current research. Attachment representations were assessed with the Attachment Story Completion Task (Bretherton, Ridgeway, & Cassidy, 1990); the IQ was measured with the WPPSI-III (Wechsler, 2004). Data were collected twice, at a two-year interval, from about 400 preschoolers. Reasoning IQ was found to influence the development of secure attachment representations, while attachment security and disorganization influenced later verbal IQ. The implications of the findings for both clinical and research purposes are discussed in the light of the interactions between cognitive abilities and attachment representations

Attachment to mother and father at transition to middle childhood

The present study investigated concordance between representations of attachment to mother and attachment to father, and convergence between two narrative-based methods addressing these representations in middle childhood: the Manchester Child Attachment Story Task (MCAST) and the Secure Base Script Test (SBST). One hundred and twenty 6-year-old children were assessed by separate administrations of the MCAST for mother and father, respectively, and results showed concordance of representations of attachment to mother and attachment to father at age 6.5 years. 75 children were additionally tested about 12 months later, with the SBST, which assesses scripted knowledge of secure base (and safe haven), not differentiating between mother and father attachment rela- tionships. Concerning attachment to father, dichotomous classifications (MCAST) and a continuous dimension cap- turing scripted secure base knowledge (MCAST) converged with secure base scriptedness (SBST), yet we could not show the same pattern of convergence concerning attach- ment to mother. Results suggest some convergence between the two narrative methods of assessment of secure base script but also highlight complications when using the MCAST for measuring attachment to father in middle childhood

Early deprivation as a risk factor for narcissistic identity pathologies in adolescence with regard to international adoption

The current study is a psychoanalytic reading of the clinical material arising from ongoing developmental research into international adoption within the framework of the Attachment Adoption Research Network (AAARN). The primary objective of the study is to verify whether the severity of deprivation experienced preadoption is a risk factor for narcissistic identity pathologies in adolescence with regard to international adoption. A grounded theory approach is used to identify a set of qualitative variables, which are later quantitatively assessed. The findings are discussed in terms of both qualitative and quantitative results and suggest the greater presence of chronic somatic troubles and observable signs of primary trauma in the adoption population compared to the control group. Future areas for research are suggested in the conclusion

Dosimétrie cellulaire en médecine nucléaire diagnostique : influence des émissions électroniques

Les radio-nucléides utilisés en diagnostic présentent des émissions photoniques utilisées pour l'imagerie, mais également des émissions électroniques de faible énergie, responsables d'une hétérogénéité de dose à l'échelon cellulaire. La dose moyenne délivrée au noyau par les émissions électroniques du 99mTc, de l'123I, de l'111In, du 67Ga, et du 201Tl, a été calculée, en tenant compte de localisations nucléaires, cytoplasmiques et membranaires de la radioactivité. Ce modèle tient compte de la contribution de la dose due à la radioactivité présente dans la cellule cible elle-même, et de la contribution des cellules voisines. Les résultats de la dosimétrie cellulaire (Dcel) ont été comparés à ceux trouvés en dosimétrie conventionnelle (Dconv), en supposant une activité identique dans toutes les cellules. Le modèle cellulaire montre que pour des localisations membranaires et cytoplasmiques, la principale source d'irradiation électronique vient des cellules voisines. Pour des localisations nucléaires, la contribution de la cellule cible n'est plus négligeable et peut même devenir la principale contribution. La comparaison entre les modèles cellulaire et conventionnel montre que Dcel/Dconv varie entre 0,61 et 0,89 pour des localisations cytoplasmiques et membranaires de la radioactivité, suivant le radio-nucléide et les dimensions cellulaires. Ainsi, la dosimétrie conventionnelle surestime faiblement la dose au noyau. Par contre, Dcel/Dconv varie entre 1,1 et 75 pour une localisation purement nucléaire. La dosimétrie conventionnelle peut alors sous-estimer notablement la dose au noyau. Cette étude montre qu'en médecine nucléaire diagnostique, la dosimétrie cellulaire peut conduire à une radioprotection accrue du patient et une meilleure évaluation des risques radiobiologiques liés à l'administration d'un radiopharmaceutique.

Linking landfast sea ice variability to marine ice accretion at Hells Gate Ice Shelf, Ross Sea

info:eu-repo/semantics/publishe

SFU Athletics - the Early Years: Blight or Blessing?

A talk by Lorne Davies, SFU\u27s first athletic director, on the early years of the SFU Athletics progra