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Di Giorgio, Elisa; Leo, Irene; Pascalis, Olivier; Simion, Francesca – Developmental Psychology, 2012
The present study investigates the human-specificity of the orienting system that allows neonates to look preferentially at faces. Three experiments were carried out to determine whether the face-perception system that is present at birth is broad enough to include both human and nonhuman primate faces. The results demonstrate that the newborns…
Descriptors: Neonates, Preferences, Visual Perception, Visual Discrimination
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Craighero, Laila; Leo, Irene; Umilta, Carlo; Simion, Francesca – Cognition, 2011
The central role of sensory-motor representations in cognitive functions is almost universally accepted. However, determining the link between motor execution and its sensory counterpart and when, during ontogenesis, this link originates are still under investigation. The aim of the present study is to investigate whether at birth this link is…
Descriptors: Cues, Nonverbal Communication, Neonates, Goal Orientation
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Lewkowicz, David J.; Leo, Irene; Simion, Francesca – Infancy, 2010
Previous studies have shown that infants, including newborns, can match previously unseen and unheard human faces and vocalizations. More recently, it has been reported that infants as young as 4 months of age also can match the faces and vocalizations of other species raising the possibility that such broad multisensory perceptual tuning is…
Descriptors: Neonates, Nonverbal Communication, Visual Stimuli, Visual Perception
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Leo, Irene; Simion, Francesca – Developmental Science, 2009
The present study was aimed at exploring newborns' ability to recognize configural changes within real face images by testing newborns' sensitivity to the Thatcher illusion. Using the habituation procedure, newborns' ability to discriminate between an unaltered face image and the same face with the eyes and the mouth 180 degrees rotated (i.e.…
Descriptors: Visual Stimuli, Neonates, Spatial Ability, Habituation
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Leo, Irene; Simion, Francesca – Infancy, 2009
The aim of this study is to investigate whether newborns detect a face on the basis of a Gestalt representation based on first-order relational information (i.e., the basic arrangement of face features) by using Mooney stimuli. The incomplete 2-tone Mooney stimuli were used because they preclude focusing both on the local features (i.e., the fine…
Descriptors: Neonates, Visual Perception, Visual Stimuli, Human Body
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Cassia, Viola Macchi; Valenza, Eloisa; Simion, Francesca; Leo, Irene – Child Development, 2008
Past research has shown that top-heaviness is a perceptual property that plays a crucial role in triggering newborns' preference toward faces. The present study examined the contribution of a second configural property, "congruency," to newborns' face preference. Experiments 1 and 2 demonstrated that when embedded in nonfacelike stimuli,…
Descriptors: Stimuli, Neonates, Infant Behavior, Visual Stimuli
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Valenza, Eloisa; Leo, Irene; Gava, Lucia; Simion, Francesca – Child Development, 2006
Despite decades of studies of human infants, a still open question concerns the role of visual experience in the development of the ability to perceive complete shapes over partial occlusion. Previous studies show that newborns fail to manifest this ability, either because they lack the visual experience required for perceptual completion or…
Descriptors: Neonates, Visual Perception, Motion
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Valenza, Eloisa; Zulian, Luisa; Leo, Irene – Infancy, 2005
This study explored whether the reported inability of newborns to perceive object unity could result from the limited abilities of newborns to recognize the correspondence between 2 stimuli that were identical except for the presence or absence of an occluder. Five experiments were carried out using a visual habituation technique. The results of…
Descriptors: Neonates, Visual Perception, Visual Stimuli, Experiments
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Turati, Chiara; Macchi Cassia, Viola; Simion, Francesca; Leo, Irene – Child Development, 2006
Existing data indicate that newborns are able to recognize individual faces, but little is known about what perceptual cues drive this ability. The current study showed that either the inner or outer features of the face can act as sufficient cues for newborns' face recognition (Experiment 1), but the outer part of the face enjoys an advantage…
Descriptors: Neonates, Cues, Recognition (Psychology), Human Body