New Insights Into the Development of Human Tool Use

Lockman, Jeffrey J.; Kahrs, Björn Alexander

doi:10.1177/0963721417692035

Cited by 63 publications

(23 citation statements)

References 34 publications

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“…In 80% of the cases when another person’s hands are in the older infant’s view, those hands are in in contact with and acting on an object. The pervasiveness of hands performing instrumental acts aligns with these older infants’ increasingly sophisticated manual skills [25] and their increasingly sophisticated understanding of the goal-directed manual acts [26].…”

Section: The Data For Learning Changes With Developmentmentioning

confidence: 99%

The Developing Infant Creates a Curriculum for Statistical Learning

Smith

Jayaraman

Clerkin

et al. 2018

Trends in Cognitive Sciences

204

174

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New efforts are using head cameras and eye-trackers worn by infants to capture everyday visual environments from the point of view of the infant learner. From this vantage point, the training sets for statistical learning develop as the sensorimotor abilities of the infant develop, yielding a series of ordered datasets for visual learning that differ in content and structure between timepoints but are highly selective at each timepoint. These changing environments may constitute a developmentally ordered curriculum that optimizes learning across many domains. Future advances in computational models will be necessary to connect the developmentally changing content and statistics of infant experience to the internal machinery that does the learning.

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Section: The Data For Learning Changes With Developmentmentioning

confidence: 99%

The Developing Infant Creates a Curriculum for Statistical Learning

Smith

Jayaraman

Clerkin

et al. 2018

Trends in Cognitive Sciences

204

174

View full text Add to dashboard Cite

show abstract

“…Powerful links between perception and action emerge over time, and over the course of development, in parallel with repeated experience with objects in the natural environment (Bertenthal, 1996 ; Fan et al, 2020 ; Lockman & Kahrs, 2017 ). These encounters may be the source of such bidirectional perception–action interactions.…”

Section: The Dorsal Pathway Processes Visuospatial Attributesmentioning

confidence: 99%

What Does Dorsal Cortex Contribute to Perception?

2020

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According to the influential “Two Visual Pathways” hypothesis, the cortical visual system is segregated into two pathways, with the ventral, occipitotemporal pathway subserving object perception, and the dorsal, occipitoparietal pathway subserving the visuomotor control of action. However, growing evidence suggests that the dorsal pathway also plays a functional role in object perception. In the current article, we present evidence that the dorsal pathway contributes uniquely to the perception of a range of visuospatial attributes that are not redundant with representations in ventral cortex. We describe how dorsal cortex is recruited automatically during perception, even when no explicit visuomotor response is required. Importantly, we propose that dorsal cortex may selectively process visual attributes that can inform the perception of potential actions with objects and environments, and we consider plausible developmental and cognitive mechanisms that might give rise to these representations. As such, we consider whether naturalistic stimuli, such as real-world solid objects, might engage dorsal cortex more so than simplified or artificial stimuli such as images that do not afford action, and how the use of suboptimal stimuli might limit our understanding of the functional contribution of dorsal cortex to visual perception.

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“…Moreover, successful implementation often involves complex, motorically challenging operations. Users must know the detailed biomechanical requirements of the designed action and possess the bimanual coordination, dexterity, and strength to implement them (Lockman & Kahrs, 2017). For example, pulling and stabilizing actions are in infants' repertoires by 12 months of age (Fagard & Lockman, 2005;Kimmerle et al, 2010), but 21-month-olds do not display the bimanual coordination to open the friction-lock lid on a Tupperware container (Rachwani et al, 2020).…”

mentioning

confidence: 99%

Children’s use of everyday artifacts: Learning the hidden affordance of zipping

Rachwani

Kaplan

Tamis‐LeMonda

et al. 2020

Developmental Psychobiology

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The world is filled with artifacts designed for intended actions and consequences. Think of children's interactions with toys (interlocking Lego bricks), food (peeling the foil on a yogurt container), toiletry items (pressing the pump of a hand lotion), household objects (twisting a faucet), and clothing (zipping, buttoning, snapping). Such designed actions are so deeply engrained in adults' activities of daily living that the perceptual-motor requirements seem intuitive. However, for children, it takes years before they learn the specific motor actions to operate everyday artifacts.Despite the prevalence of artifacts in children's everyday lives, researchers know little about how children learn designed actions.Previous work focused primarily on age norms for skill onset based on children's success using zippers, buttons, and so on (Folio & Fewell, 2000; Teaford, 2010), but developmental change in the perceptual-motor requirements remains uncharted. Consequently, researchers cannot know why implementing everyday artifacts takes years to learn; and parents, teachers, and occupational therapists must rely on artistry and common sense to help children perform activities of everyday living. In addition to age-related changes in success, task analyses of particular designed actions and detailed

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New Insights Into the Development of Human Tool Use

Cited by 63 publications

References 34 publications

The Developing Infant Creates a Curriculum for Statistical Learning

The Developing Infant Creates a Curriculum for Statistical Learning

What Does Dorsal Cortex Contribute to Perception?

Children’s use of everyday artifacts: Learning the hidden affordance of zipping

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