Newborn attention: Differential response decrement to visual stimuli
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TL;DR
Using visual fixation as the dependent variable, the results indicate an overall response decrement effect with repeated presentation of the visual stimuli and an interaction between number of elements in the visual stimulus, sex of the infant, and trials.
Abstract
Forty newborn human Ss were exposed to one of two visual stimuli: a 2 × 2 or a 12 × 12 black and white checkerboard target, in an experiment employing a 2 × 2 × 8 factorial design (Sex × Target × Trials) with repeated measures on one factor (Trials). Using visual fixation as the dependent variable, the results indicate an overall response decrement effect with repeated presentation of the visual stimuli (p<.005) and an interaction between number of elements (or redundancy) in the visual stimulus, sex of the infant, and trials (p<.005). The triple interaction was based on a tendency for the males to show more decrement to the less-redundant (2 × 2) target, and for females to show more decrement to the moreredundant (12 × 12) target.
