The goal of this study was to evaluate the degree to which measuring joint attention an aspect of social attention, is meaningful for the learning and development of preschool children. Joint attention refers to the executive capacity to coordinate visual attention with another person. This pivotal skill begins to develop from 6 to 18 months of age and continues to be refined and coordinated th...

Forty-three mother-infant dyads were recruited to determine the relationship between both total equipment use and the use of individual pieces of equipment and infant motor development. At 8 months of age, total and individual equipment use was determined by parental survey and infant motor development was assessed using the Alberta Infant Motor Scale. Statistically significant correlations wer...

BACKGROUND Food security is a multi-dimensional phenomenon. The objective of this study was to identify and prioritize major indices for determining food insecurity in Iran. METHODS Descriptive study using the Delphi method was conducted through an email-delivered questionnaire. Forty-three senior experts at national or provincial level were selected based on their work experience and educati...

Trypanosoma cruzi antigenic specificities involved in human T-cell and antibody responses were compared in chronic chagasic patients affected with cardiomyopathy (C) or with the indeterminate form (I), the asymptomatic form of chronic Chagas' disease. T-cell Western blotting (immunoblotting) was performed to identify the most active antigens in epimastigote extracts (EPI-Ag). The patterns of pe...