The impact of novel labels on visual processing during infancy

The impact of novel labels on visual processing was investigated across two experiments with infants aged between 9 and 21 months. Infants viewed pairs of images across a series of preferential looking trials. On each trial, one image was novel, and the other image had previously been viewed by the infant. Some infants viewed images in silence; other infants viewed images accompanied by novel labels. The pattern of fixations both across and within trials revealed that infants in the labelling condition took longer to develop a novelty preference than infants in the silent condition. Our findings contrast with prior research by Robinson and Sloutsky (e.g., Robinson & Sloutsky, 2007a ; Sloutsky & Robinson, 2008 ) who found that novel labels did not disrupt visual processing for infants aged over a year. Provided that overall task demands are sufficiently high, it appears that labels can disrupt visual processing for infants during the developmental period of establishing a lexicon. The results suggest that when infants are processing labels and objects, attentional resources are shared across modalities.     

Social reasoning about ‘second‐shift’ parenting

The present study investigated children's and adolescents’ social reasoning about parenting roles in the home, specifically ‘second‐shift parenting’ by a mother or father. Surveys were administered to children (age 10) and adolescents (age 13), nearly evenly divided by gender (N= 200) in which two hypothetical scenarios were evaluated. Participants were asked to evaluate and justify second‐shift parenting arrangements for the family overall, for the parent in the role, and for the child in the family. Results showed that participants expected mothers rather than fathers to take on the second‐shift role, and second‐shift parenting was evaluated as more unfair for fathers than for mothers. Personal choice reasoning was used for justifying arrangements for the second‐shift parent and moral reasoning was used for justifying arrangements for the child. Social reasoning about the context of parental caretaking roles was multifaceted and varied by age and gender of participant more so than by self‐reported personal family arrangements.     

The Boundaries of the Analytic Encounter: Clinical and Ethical Dimensions: A Roundtable Discussion: January 15, 1998

The American Journal of Psychoanalysis -     

Differential effects of environmental enrichment on the open-field behavior of wild and domestic Norway rats.

Early postweaning experience in an enriched environment had a greater influence on the open-field behavior and body weight of wild Norway rats than of their domestic counterparts. Genetic changes accompanying the domestication process may have reduced the relative impact of postweaning experience on the development of the domestic rat's response to changes in its environment.     

Studies of reversible perspective: A methodological review

The lack of an adequate theory of reversible perspective is largely attributable to the haphazard methodology adopted by many workers in this area of research. After more than 60 years, no standard experimental procedure has evolved, and the comparison of results from different studies is difficult. Some representative experiments are reviewed in terms of the temporal, stimulus, and procedural factors involved. It is suggested that the general use of the reversal rate measure is the major single barrier to progress, and that a continuous recording method be adopted in future experimentation.