Search Results - "Chapman, Craig S"

Characterization of normative hand movements during two functional upper limb tasks by Valevicius, Aïda M, Boser, Quinn A, Lavoie, Ewen B, Murgatroyd, Glyn S, Pilarski, Patrick M, Chapman, Craig S, Vette, Albert H, Hebert, Jacqueline S

“…Dexterous hand function is crucial for completing activities of daily living (ADLs), which typically require precise hand-object interactions. Kinematic…”
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Selective Modulation of Early Visual Cortical Activity by Movement Intention by Gallivan, Jason P, Chapman, Craig S, Gale, Daniel J, Flanagan, J Randall, Culham, Jody C

“…Abstract The primate visual system contains myriad feedback projections from higher- to lower-order cortical areas, an architecture that has been implicated in…”
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Gaze and Movement Assessment (GaMA): Inter-site validation of a visuomotor upper limb functional protocol by Williams, Heather E, Chapman, Craig S, Pilarski, Patrick M, Vette, Albert H, Hebert, Jacqueline S

“…Successful hand-object interactions require precise hand-eye coordination with continual movement adjustments. Quantitative measurement of this visuomotor…”
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Action plan co-optimization reveals the parallel encoding of competing reach movements by Gallivan, Jason P., Barton, Kathryn S., Chapman, Craig S., Wolpert, Daniel M., Randall Flanagan, J.

“…Several influential cognitive theories propose that in situations affording more than one possible target of action, we prepare multiple competing movements…”
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Three-dimensional reach trajectories as a probe of real-time decision-making between multiple competing targets by Gallivan, Jason P, Chapman, Craig S

“…Though several features of cognitive processing can be inferred from the discrete measurement [e.g., reaction time (RT), accuracy, etc.] of participants'…”
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Myoelectric prosthesis users and non-disabled individuals wearing a simulated prosthesis exhibit similar compensatory movement strategies by Williams, Heather E, Chapman, Craig S, Pilarski, Patrick M, Vette, Albert H, Hebert, Jacqueline S

“…Research studies on upper limb prosthesis function often rely on the use of simulated myoelectric prostheses (attached to and operated by individuals with…”
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The sequential encoding of competing action goals involves dynamic restructuring of motor plans in working memory by Gallivan, Jason P, Bowman, Natasha A R, Chapman, Craig S, Wolpert, Daniel M, Flanagan, J Randall

“…Recent neural and behavioral findings provide support for the influential idea that in situations in which multiple action options are presented…”
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Reaching for the unknown: Multiple target encoding and real-time decision-making in a rapid reach task by Chapman, Craig S., Gallivan, Jason P., Wood, Daniel K., Milne, Jennifer L., Culham, Jody C., Goodale, Melvyn A.

“…Decision-making is central to human cognition. Fundamental to every decision is the ability to internally represent the available choices and their relative…”
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Missing in action: the effect of obstacle position and size on avoidance while reaching by Chapman, Craig S., Goodale, Melvyn A.

“…When reaching to objects, our hand and arm rarely collide with non-target objects, even if our workspace is cluttered. The simplicity of these actions hides…”
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"Real-Time" Obstacle Avoidance in the Absence of Primary Visual Cortex by Striemer, Christopher L., Chapman, Craig S., Goodale, Melvyn A., Purves, Dale

“…When we reach toward objects, we easily avoid potential obstacles located in the workspace. Previous studies suggest that obstacle avoidance relies on…”
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Seeing all the obstacles in your way: the effect of visual feedback and visual feedback schedule on obstacle avoidance while reaching by Chapman, Craig S, Goodale, Melvyn A

“…Human reaching behaviour displays sophisticated obstacle avoidance. Recently, we demonstrated that the obstacle avoidance system in normal participants is…”
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Decision-making in sensorimotor control by Gallivan, Jason P., Chapman, Craig S., Wolpert, Daniel M., Flanagan, J. Randall

“…Skilled sensorimotor interactions with the world result from a series of decision-making processes that determine, on the basis of information extracted during…”
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No one knows what attention is by Hommel, Bernhard, Chapman, Craig S., Cisek, Paul, Neyedli, Heather F., Song, Joo-Hyun, Welsh, Timothy N.

“…In this article, we challenge the usefulness of “attention” as a unitary construct and/or neural system. We point out that the concept has too many meanings to…”
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A cognitive ethology study of first- and third-person perspectives by Chisholm, Joseph D, Chapman, Craig S, Amm, Marvin, Bischof, Walter F, Smilek, Dan, Kingstone, Alan

“…The aim of the present study was to test the cognitive ethology approach, which seeks to link cognitions and behaviours as they operate in everyday life with…”
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Models, movements, and minds: bridging the gap between decision making and action by Wispinski, Nathan J., Gallivan, Jason P., Chapman, Craig S.

“…Decision making is a fundamental cognitive function, which not only determines our day‐to‐day choices but also shapes the trajectories of our movements, our…”
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Hide and seek: The theory of mind of visual concealment and search by Anderson, Giles M., Foulsham, Tom, Nasiopoulos, Eleni, Chapman, Craig S., Kingstone, Alan

“…Researchers have investigated visual search behavior for almost a century. During that time, few studies have examined the cognitive processes involved in…”
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Comparing eye-hand coordination between controller-mediated virtual reality, and a real-world object interaction task by Lavoie, Ewen, Hebert, Jacqueline S, Chapman, Craig S

“…Virtual reality (VR) technology has advanced significantly in recent years, with many potential applications. However, it is unclear how well VR simulations…”
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Humans are sensitive to attention control when predicting others’ actions by Pesquita, Ana, Chapman, Craig S., Enns, James T.

“…Studies of social perception report acute human sensitivity to where another’s attention is aimed. Here we ask whether humans are also sensitive to how the…”
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Selective attention to real-world objects drives their emotional appraisal by Wispinski, Nathan J., Lin, Shihao, Enns, James T., Chapman, Craig S.

“…Attentional manipulations have been shown to influence subsequent evaluations of objects and images. For example, images used as distractors in a visual search…”
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Compensatory strategies of body-powered prosthesis users reveal primary reliance on trunk motion and relation to skill level by Valevicius, Aïda M., Boser, Quinn A., Chapman, Craig S., Pilarski, Patrick M., Vette, Albert H., Hebert, Jacqueline S.

“…While body-powered prostheses are commonly used, the compensatory strategies required to operate body-powered devices are not well understood. Kinematic…”
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