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Click name to view affiliation. The question of what underlies expertise in sports and other domains has been a topic of vigorous scientific debate for well over a century. Most notably, K. Anders Ericsson and colleagues have claimed that individual differences in domain-relevant performance can largely be explained by deliberate practice, with little or no direct role for innate characteristics. I will then discuss the role of a broad range of factors in explaining individual differences in expertise.
I will conclude with directions for future research that takes a multifactorial perspective on expertise and moves beyond an anachronistic nature vs. Even prior to birth, fetuses move their arms, hands, and fingers and can learn from the consequences of these actions.
As the developing organism is born and gains more control over the movement of their upper extremities, there is much to learn from moving. These movements offer opportunities to observe and learn about their own bodies and about things in the environment that they might interact with and explore.
I will describe research from my lab and others documenting what infants learn from their own actions and what the consequences of this early learning might be. As infants become more effective at controlling their movements, they transition into independent reaching and open up a whole new world of agentive action on objects.
As they become capable of using hand-held objects in instrumental ways usually around the beginning of the second year of life , they start to learn how to use tools to create changes in their environments. For children following atypical pathways of development, their trajectory can veer away from the typical in many ways. Infants with Down syndrome DS tend to explore objects less actively, which could result in fewer learning opportunities and less knowledge about the world around them. I will present data from our studies comparing the behaviors of typically developing infants and young children and those with DS, highlighting similarities and differences.
