Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 8 of 8 for “"Eye velocity"”.
-
System-level attention links cognition, perception and action: Evidence from language comprehension and eye movements
… can compete with representations involved in eye movement control; and b) whether this competition creates attentional conflict within the system and thus modulates the oculomotor response. The effects of two types of words, directional verbs and locational nouns, on two types of eye …
-
Habituation of the Goldfish Vestibulo-Ocular Reflex Is Frequency Specific and Nonlinear: An Experimental and Modeling Study
… system found in vertebrates which produces eye rotations that compensate for head rotations. Simultaneous motion and vision are thus possible since the reflex keeps vision from becoming bluffed during movement. Low-frequency rotations, whether actual, such as those experienced on a ship, or …
-
Artificial gravity : adaptation of the vestibulo-ocular reflex to head movements during short-radius centrifugation
… data collection sessions consisting of both eye reflex recordings during head movements, a subjective battery of tests, and autonomic measurements. Eight subjects were tested on three days (D=1, 2, 8). Eye movements were measured in response to out-of-plane head movements during rotation at …
-
Understanding the Mechanisms of Motor Learning in the Vestibulo-ocular Reflex
… simple reflex that stabilizes gaze by moving the eyes in the opposite direction to the head. The gain of the VOR (ratio of head to eye velocity) can be increased or decreased during motor learning. It is thought that the memory for learned changes in the VOR gain is initially encoded within the …
-
Collecting Normative Data for Video Head Impulse Testing, Horizontal and Vertical Measures
… preponderance of < 10%. For vHIT, average velocity gains (comparison of head velocity to compensatory eye velocity) were calculated for right lateral and left lateral maneuvers using instantaneous velocity measurements at 40, 60, and 80 ms and using the velocity regression measurement from …
-
Anticipatory smooth eye movements elicited by cues
Anticipatory eye movements are important when tracking the motion of a target because they help overcome inevitable sensorimotor delays. Understanding the processes that govern anticipatory eye movements can reveal how motion signals of a target and anticipatory signals are combined to produce a …
-
The Effects of Target Velocity and Duration on Horizontal Smooth Pursuit Eye-Tracking in Normal Subjects, Rewarded and Non-Rewarded Schizophrenics.
… at the fovea. Accordingly, one function of eye movements is to acquire visual targets for foveal viewing.
-
Investigation into factors affecting perceptual stability of the world during smooth pursuit eye movements
During pursuit eye movement, a stationary background projected on the retina shifts in the direction opposite to that of the eye movement. This complicates the perception of objects because during an eye movement the retinal and head-centric motions differ. Nevertheless, our visual system is …