نتایج جستجو برای: gaze stability
تعداد نتایج: 312408 فیلتر نتایج به سال:
the following attempts to discuss the different approaches to privacy adopted by adolf loos and le corbusier, as two of the most influential pioneers of modern architecture. it will be argued that both architects were influenced by the developing technologies of their time, yet they reacted differently to the increasing influence of film and photography on art, architecture and everyday life. t...
Active translations of human subjects are nearly perfectly compensated by a combined rotation of both the eyes and the head. Because vestibuloocular reflex (VOR) gain is less than perfect during passive translations with near targets in head-fixed subjects, there is a possibility that the compensatory head rotation observed during natural behavior represents a vestibularly driven head reflex [t...
The neurobiological basis of saccade control has at least three components: fixation, reflexes, voluntary control. It was found in earlier studies that the voluntary component of saccade is specifically impaired in dyslexics as compared with controls of the same age. In this study, we searched for evidence of fixation instability by analyzing the eye movements of 99 control subjects and 262 dys...
BACKGROUND AND PURPOSE The purpose of this study was to determine whether the addition of gaze stability exercises to balance rehabilitation would lead to greater improvements of symptoms and postural stability in older adults with normal vestibular function who reported dizziness. METHODS Participants who were referred to outpatient physical therapy for dizziness were randomly assigned to th...
Focusing gaze on a target helps stabilize upright posture. We investigated how this visual stabilization can be affected by observing a target presented under different gaze and viewing angles. In a series of 10-second trials, participants (N = 20, 29.3 ± 9 years of age) stood on a force plate and fixed their gaze on a figure presented on a screen at a distance of 1 m. The figure changed positi...
2 System Setup We propose a non-intrusive eye tracking system intended for the use of everyday gaze typing using web cameras. We argue that high precision in gaze tracking is not needed for on-screen typing due to natural language redundancy. This facilitates the use of low-cost video components for advanced multi-modal interactions based on video tracking systems. Robust methods are needed to ...
Nystagmus induced by pharmacological inactivation of the brainstem ocular motor integrator in monkey
A common cause of pathological nystagmus is malfunction of the mechanism by which the brain integrates eye velocity signals to produce eye position commands. For horizontal gaze, neurons in the nucleus prepositus hypoglossi-medial vestibular nucleus region (NPH-MVN) play a vital role in this neural integrator function. We studied the effects on gaze stability of pharmacological intervention in ...
Eye tracking as a quantitative method for collecting eye movement data, requires the accurate knowledge of the eye position, where eye movements can provide indirect evidence about what the subject sees. In this study two eye tracking devices have been compared, a Head-mounted Eye Tracking Device (HED) and a Remote Eye Tracking Device (RED). The precision of both devices has been evaluated, in ...
Children are less stable than adults during static upright stance. We investigated whether the same holds true for a task that was novel for both children and adults and highly dynamic: single-legged stance on a slackline. We compared 8-year-olds with young adults and assessed the following outcome measures: time on the slackline, stability on the slackline (calculated from slackline reaction f...
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