The development of anticipatory hand orientation during infancy

Lockman, Jeffrey J.; Ashmead, Daniel H.; Bushnell, Emily W.

doi:10.1016/0022-0965(84)90065-1

Cited by 224 publications

(127 citation statements)

References 3 publications

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“…When a series of pictures was shown in a certain order, two-and three-month-old infants learned to move their gaze to where the object would reappear next (Wentworth and Haith 1998). Six-month-old infants reach their hand towards an object and open it in advance, rotate it so that their grasp will fit the object, and begin to close their hand before it arrives at the object (Lockman, Ashmead et al 1984;von Hofsten and Fazel-Zandy 1984;von Hofsten and Rönnqvist 1988;McCarty, Clifton et al 2001;von Hofsten 2007). Accordingly, this shows that by this age, infants have acquired so much knowledge of an object that they can grasp it.…”

Section: Action Planningmentioning

confidence: 99%

“…When manipulating an object with the hand, it must adjust to the physical characteristics of the object (like form and size), spatial characteristics (like how the object is oriented) and temporal characteristics (like when you have to close your hand) (Lockman, Ashmead et al 1984;von Hofsten and FazelZandy 1984;von Hofsten and Rönnqvist 1988). By one year of age, children have acquired a number of actions that they use to manipulate objects (Bourgeois, Khawar et al 2005).…”

Section: Manipulation Of Objectsmentioning

confidence: 99%

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Fitting objects into holes: On the development of spatial cognition skills.

Örnkloo¹,

Hofsten²

2007

Developmental Psychology

118

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The authors examined 14-to 26-month-old infants' understanding of the spatial relationships between objects and apertures in an object manipulation task. The task was to insert objects with various cross-sections (circular, square, rectangular, ellipsoid, and triangular) into fitting apertures. A successful solution required the infant to mentally rotate the object to be fit into the aperture and use that information to plan the action. The object was presented standing up in half of the trials; in the other half, it was lying down. The results showed that infants solved the problem consistently from age 22 months and that a successful solution was associated with appropriate preadjustments before the hand arrived with the block to the aperture. No sex differences were found.

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Section: Action Planningmentioning

confidence: 99%

Section: Manipulation Of Objectsmentioning

confidence: 99%

Fitting objects into holes: On the development of spatial cognition skills.

Örnkloo¹,

Hofsten²

2007

Developmental Psychology

118

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“…Within the first 6 months of life infants adjust their reaching and hand positions for effective grasping of objects. They recognize affordances of objects and tailor their actions accordingly (Clifton, Rochat, Litovsky, & Perris, 1991;Lockman, Ashmead, & Bushnell, 1984;McCarty, Clifton, Ashmead, Lee, & Goubet,, 2001;von Hofsten & Ronnqvist, 1988;von Hofsten & Fazel-Zandy, 1984). In addition, young infants detect the functional relation between object parts and surfaces and use objects in ways that are consistent with these relations (Bourgeois, Khawar, Neal, & Lockman, 2005;Gibson & Walker, 1984;Molina & Jouen, 1998;Palmer, 1989;Ruff, 1984).…”

Section: Increasing Infants' Sensitivity To Color By Making Color Funmentioning

confidence: 99%

Color–function categories that prime infants to use color information in an object individuation task

Wilcox

Woods

Chapa

2008

Cognitive Psychology

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There is evidence for developmental hierarchies in the type of information to which infants attend when reasoning about objects. Investigators have questioned the origin of these hierarchies and how infants come to identify new sources of information when reasoning about objects. The goal of the present experiments was to shed light on this debate by identifying conditions under which infants' sensitivity to color information, which is slow to emerge, could be enhanced in an object individuation task. The outcome of Experiment 1 confirmed and extended previous reports that 9.5-month-olds can be primed, through exposure to events in which the color of an object predicts its function, to attend to color differences in a subsequent individuation task. The outcomes of Experiments 2 to 4 revealed age-related changes in the nature of the representations that support color priming. This is exemplified by three main findings. First, the representations that are formed during the colorfunction events are relatively specific. That is, infants are primed to use the color difference seen in the color-function events to individuate objects in the test events, but not other color differences. Second, 9.5-month-olds can be led to form more abstract event representations, and then generalize to other colors in the test events if they are shown multiple pairs of colors in the color-function events. Third, slightly younger 9-month-olds also can be led to form more inclusive categories with multiple color pairs, but only when they are allowed to directly compare the exemplars in each color pair during the present events. These results shed light on the development of categorization abilities, cognitive mechanisms that support color-function priming, and the kinds of experiences that can increase infants' sensitivity to color information.

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“…From early infancy (around 6 months), grasping responses have been interpreted as goaldirected 29 , and are actions within the range of those possible at this stage of life 30,31 . Furthermore, many developmental studies that have relied upon grasping responses have used various groups of infants with ages less than 9 months 15,[17][18][19]32 .…”

mentioning

confidence: 99%

Developmental correspondence between action prediction and motor ability in early infancy

2011

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How do infants understand the goals of others' actions? It has been proposed that actionunderstanding results from a mechanism whereby an observed action is mapped onto the observer's own motor representation of that action. However, direct evidence of the matching process in early infancy is difficult to find. Here we show the developmental correspondence between action prediction and motor ability by comparing gazing and grasping responses to interesting objects in 4-to 10-month-old infants and adults. The onset of infants' ability to predict the goal of others' action was found to be synchronized with the onset of their own ability to perform that action. moreover, there was correspondence relationship between action-prediction ability and motor ability of same action. our findings indicate that the ability to predict others' action goals requires a corresponding motor ability, providing ontogenetic evidence for a direct matching process by a mirror neuron system.

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The development of anticipatory hand orientation during infancy

Cited by 224 publications

References 3 publications

Fitting objects into holes: On the development of spatial cognition skills.

Fitting objects into holes: On the development of spatial cognition skills.

Color–function categories that prime infants to use color information in an object individuation task

Developmental correspondence between action prediction and motor ability in early infancy

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