2002
DOI: 10.1111/1467-7687.t01-1-00217
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Abstract: To explore questions of how human infants begin to perceive partly occluded objects, we devised two connectionist models of perceptual development. The models were endowed with an existing ability to detect several kinds of visual information that have been found important in infants' and adults' perception of object unity (motion, co-motion, common motion, relatability, parallelism, texture and T-junctions). They were then presented with stimuli consisting of either one or two objects and an occluding screen… Show more

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Cited by 59 publications
(27 citation statements)
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References 49 publications
(69 reference statements)
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“…8. Architecture of the Mareschal and Johnson (2002) model of perception of spatial completion. Adapted from Mareschal and Johnson (2002). be learned from proper experience in a structured environment, given appropriate lowerlevel perceptual skills-in this case, sensitivity to relevant visual information.…”
Section: Modeling Association Learningmentioning
confidence: 99%
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“…8. Architecture of the Mareschal and Johnson (2002) model of perception of spatial completion. Adapted from Mareschal and Johnson (2002). be learned from proper experience in a structured environment, given appropriate lowerlevel perceptual skills-in this case, sensitivity to relevant visual information.…”
Section: Modeling Association Learningmentioning
confidence: 99%
“…Spatial completion has been observed in young infants (younger than 6 months) only when the rod parts are aligned, and moving in tandem behind the occluder (Johnson, 1997(Johnson, , 2004, in displays with the four visual cues examined in the Mareschal and Johnson (2002), but in the absence of one or more cues, spatial completion is disrupted (Kellman & Spelke, 1983). And spatiotemporal completion has been observed in young infants only when the trajectory is horizontal, not angled, and when the spatiotemporal gap imposed by the occluder is relatively short (Bremner et al, 2005(Bremner et al, , 2007Johnson, Bremner, et al 2003).…”
Section: Infants Learn About Objects Via Associationmentioning
confidence: 99%
“…Mareschal et al's (1999 model provides an alternative explanation for infants' behavior in object permanence tasks, because it suggests that information integration, and not short-term memory as suggested previously (Munakata et al, 1997), contributes to the emergence of successful performance. Thus, the model demonstrates that the integration-based theoretical account can explain the data, thereby prompting further behavioral experimentation that can disambiguate between the two theories.Another example of the development of integrated processing comes from Mareschal and Johnson's (2002) model of unity perception experiments (e.g., Johnson & Aslin, 1996;Kellman & Spelke, 1983), in which infants are habituated to a partially occluded rod and then tested on a complete rod or a broken rod. The network received input about the movement of the rod behind the occluder that was then sent to a layer of separate banks of units, referred to as encapsulated feature detection modules by Mareschal and Johnson.…”
mentioning
confidence: 99%
“…Over training, the model learned to assess the unity of different displays that were similar to the behavioral displays of one or two rods. Mareschal and Johnson (2002) argued that the ability to integrate the information from these different modules explains behavioral changes. Initially, the model perceived the individual components of the visual information, but it could not combine them coherently to perceive the unity of the display.…”
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confidence: 99%
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