1. Stimulus complexity and age of infants as determinants of the rate of habituation of visual fixation;Ames,1966
2. The orienting reflex and direction of stimulus change;Bernstein,1967
3. Age differences in infant's attention to patterns of different complexities;Brennan;Science,1966
4. Observing responses, visual preferences and habituation to visual stimuli in infants;Cohen,1965
5. The principles of psychology;James,1890