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The Influence Of Perceptual Narrowing On Emotion Processing During Infancy, Margaret W. Vogel
The Influence Of Perceptual Narrowing On Emotion Processing During Infancy, Margaret W. Vogel
Masters Theses 1911 - February 2014
During the first year of life, infants’ capacities for face processing are shaped by experience with faces in their environment; a process known as perceptual narrowing. Perceptual narrowing has been found to lead to a decline in infants’ abilities to identify and differentiate faces of other races. In the current study, it is hypothesized that this decline may also lead to differential processing of emotion information in own- versus other-race faces. In the current research, we recorded electrophysiological data (Event-related potential; ERP) from 5- and 9-month-old infants while they were presented with paired emotion non-verbal sounds and faces. ERPs in …
The Other-Race Effect And Its Influences On The Development Of Emotion Processing, Alexandra Monesson
The Other-Race Effect And Its Influences On The Development Of Emotion Processing, Alexandra Monesson
Masters Theses 1911 - February 2014
The theory of perceptual narrowing posits that the ability to make perceptual discriminations is very broad early in development and subsequently becomes more specific with perceptual experience (Scott, Pascalis, & Nelson, 2007). This leads to the formation of biases (Pascalis et al., 2002; 2005; Kelly et al., 2007), including the other-race effect (ORE). Behavioral and electrophysiological measures are used to show that by 9-months-of-age, infants exhibit a decline in ability to distinguish between two faces from another race compared to two faces from within their own race. Significant differences in the P400 component revealed a dampening of response to other-race …