Examines the ability of infants to track and anticipate the final orientation of an object. Subjects were infants ranging from an average of four months to eight months old. Three experiments, with the last one as control, were carried out. Concludes that infants show some rudimentary mental rotation from four months of age. (MOK)

Examined the effect of functional values of stimuli on orienting response elicitation. Subjects were 50 4-month-old infants and were randomly assigned to 1 of 3 experimental conditions. Results suggested the importance of taking into account the functional value of stimuli when analyzing infant attention. (MOK)

Pictures are often used by cognitive psychologists to investigate the development of cognitive functions. Different attributes of the picture, such as object or picture familiarity, word frequency, and age of acquisition, are known to correlate with naming latency and to affect memory, particularly retrieval processes. But without the use of…