Fearful Gaze Cueing: Gaze Direction and Facial Expression Independently Influence Overt Orienting Responses in 12-Month-OldsReportar como inadecuado




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Gaze direction cues and facial expressions have been shown to influence object processing in infants. For example, infants around 12 months of age utilize others- gaze directions and facial expressions to regulate their own behaviour toward an ambiguous target i.e., social referencing. However, the mechanism by which social signals influence overt orienting in infants is unclear. The present study examined the effects of static gaze direction cues and facial expressions neutral vs. fearful on overt orienting using a gaze-cueing paradigm in 6- and 12-month-old infants. Two experiments were conducted: in Experiment 1, a face with a leftward or rightward gaze direction was used as a cue, and a face with a forward gaze direction was added in Experiment 2. In both experiments, an effect of facial expression was found in 12-month-olds; no effect was found in 6-month-olds. Twelve-month-old infants exhibited more rapid overt orienting in response to fearful expressions than neutral expressions, irrespective of gaze direction. These findings suggest that gaze direction information and facial expressions independently influence overt orienting in infants, and the effect of facial expression emerges earlier than that of static gaze direction. Implications for the development of gaze direction and facial expression processing systems are discussed.



Autor: Reiko Matsunaka, Kazuo Hiraki

Fuente: http://plos.srce.hr/



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