And Susan DelGiorno, who produced the recording, soon to be released by Koch International Classics, was using a trackball mouse to play isolated tracks.
Using a trackball, he tweaked the design, smoothing contours and adjusting the fit.
I'm using a trackball, not a D-pad!
Consistent with these results, findings from a follow-up experiment using a trackball that required only small finger movements showed that patients with PD adapt better to gradual as against sudden perturbations, when compared to age-matched healthy controls.
For example, using a trackball requires good finger dexterity, while certain types of joysticks can actually increase the tremor.
Each participant made manual actions to choose numbers on a screen using a trackball in experimental trials within three different contexts in a random number generation task.
Cerny decided to use a trackball system (marketed by Atari as Trak-Ball) to give the game a unique control system, and he chose a motorized trackball for faster spinning and braking when the in-game ball traveled downhill and uphill, respectively.
Walsh used a trackball to navigate through the scene list, controlling the recording process via his computer keyboard.
* A smaller keyboard may be better for some children, and some children like to use a trackball rather than a mouse.
Members of the committee used a trackball and a touch screen to view a dazzling montage of animation, computer graphics, aerial photography, video, and satellite topographical photographs created to depict Atlanta during the Centennial Olympic Games.
