نتایج جستجو برای: infant behavior
تعداد نتایج: 707039 فیلتر نتایج به سال:
During early life, animals are sensitive to environmental events that may lead to short-term and long-lasting changes in their neurobiology and behavior, which could be related to increased risk for psychopathology. Neonatal handling is an experimental intervention in the mother–infant relationship. Based on previous studies, it is known to decrease rat pups’ preference for maternal cues. Handl...
BACKGROUND Iron and zinc deficiency are prevalent during infancy in low-income countries. OBJECTIVES The objectives were to examine whether a weekly supplement of iron, zinc, iron+zinc, or a micronutrient mix (MM) of 16 vitamins and minerals would alter infant development and behavior. DESIGN The participants were 221 infants from rural Bangladesh at risk of micronutrient deficiencies. Deve...
OBJECTIVES The aim of the study was to describe the development of self-mutilation after extensive dorsal rhizotomy of the brachial plexus performed during early ontogeny in rats. SETTINGS AND DESIGN The rhizotomy was performed in three groups of rats according to the central nervous system maturation: infant, young, and adult. After the surgery the occurrence of self-mutilation behavior was ...
Three untested hypotheses are central to the theory of Brazelton and colleagues about the sequential structure of mother-infant face-to-face interaction: (1) Interactions begin with the mother's positively eliciting her infant's attention; (2) maternal positive expression precedes the onset of infant's positive expression; and (3) when the infant becomes positive, the mother will remain positiv...
The research focused on the exploration of gender differences in interaction with infant siblings in the home and the materna] socialization of baby care in girls as opposad to boys. Observations were made of 20 families, each with 2 parents, an infant under the age of 12 months, and an older child between the ages of 46 and 102 months. Five families were selected from each of the four possible...
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