• Publications
  • Influence
Plesiosaur Swimming as Interpreted from Skeletal Analysis and Experimental Results
Underwater locomotion by plesiosaurs has long been a controversial problem with many hypotheses suggested. Almost without exception these models were based on limited analyses and limited data thatExpand
  • 35
  • 9
Sex differences in mental rotation and spatial rotation in a virtual environment
The visuospatial ability referred to as mental rotation has been shown to produce one of the largest and most consistent sex differences, in favor of males, in the cognitive literature. The currentExpand
  • 294
  • 7
  • PDF
The First Giant Raptor (Theropoda: Dromaeosauridae) from the Hell Creek Formation
ABSTRACT Most dromaeosaurids were small- to medium-sized cursorial, scansorial, and arboreal, sometimes volant predators, but a comparatively small percentage grew to gigantic proportions. Only twoExpand
  • 30
  • 6
  • PDF
Gender Issues in the Use of Virtual Environments
TLDR
Gender differences in cognitive and behavioral performance have been reported throughout the psychological literature. Expand
  • 42
  • 5
Reanalysis of “Raptorex kriegsteini”: A Juvenile Tyrannosaurid Dinosaur from Mongolia
The carnivorous Tyrannosauridae are among the most iconic dinosaurs: typified by large body size, tiny forelimbs, and massive robust skulls with laterally thickened teeth. The recently describedExpand
  • 47
  • 4
  • PDF
Trace Metals as Biomarkers for Eumelanin Pigment in the Fossil Record
X-ray maps of fossil feather pigments reveal color patterning in extinct bird species. Well-preserved fossils of pivotal early bird and nonavian theropod species have provided unequivocal evidenceExpand
  • 130
  • 3
  • PDF
Physical evidence of predatory behavior in Tyrannosaurus rex
Feeding strategies of the large theropod, Tyrannosaurus rex, either as a predator or a scavenger, have been a topic of debate previously compromised by lack of definitive physical evidence. ToothExpand
  • 40
  • 3
  • PDF
Virtual environment applications in clinical neuropsychology
TLDR
This paper provides a rationale for the application of VE technology in the areas of neuropsychological assessment and cognitive rehabilitation, presents a tabled summary of the VE literature targeting cognitive/functional processes in clinical CNS populations and briefly describes two of our VE applications targeting attention and visuospatial processing. Expand
  • 96
  • 2
Synchrotron-based chemical imaging reveals plumage patterns in a 150 million year old early bird
Charles Darwin acknowledged the importance of colour in the natural selection of bird plumage. Colour can indicate age, sex, and diet, as well as play roles in camouflage, mating and establishingExpand
  • 55
  • 2
  • PDF
Archaeopteryx feathers and bone chemistry fully revealed via synchrotron imaging
Evolution of flight in maniraptoran dinosaurs is marked by the acquisition of distinct avian characters, such as feathers, as seen in Archaeopteryx from the Solnhofen limestone. These rare fossilsExpand
  • 66
  • 2
  • PDF