نتایج جستجو برای: eye blink artifact
تعداد نتایج: 177135 فیلتر نتایج به سال:
Mind wandering is a prevalent but highly subjective phenomenon that is difficult to measure. Typically studies use probes at random points throughout at study that pop in and ask participants “Are you mind wandering” where they indicate yes or no, and then resume the study. This study investigated a method of extracting eye blinks from raw eye tracking data while participants were reading texts...
A Motion analysis method is developed to track and detect eye blinking. In this work we want to put some light on new system in which Using eye as an interface to communicate with system for people that are severely paralyzed or affected by diseases in which they are unable to move or control most of their body parts except for their eyes. This paper gives overview of different techniques to th...
Both emotion and attention are known to influence the startle response. Stress influences emotion and attention, but the impact of stress on the human startle response remains unclear. We used an established physiological stressor, the Cold Pressor Test (CPT), to induce stress in a non-clinical human sample (24 student participants) in a within-subjects design. Autonomic (heart rate and skin co...
Non-invasive Brain Computer Interface like Electroencephalography (EEG) which directly taps neurological signals, is being widely explored these days to connect paralytic patients/elderly with the external environment. However, in India the research is confined to laboratory settings and is not reaching the mass for rehabilitation purposes. An attempt has been made in this paper to analyze real...
In smooth-pursuit eye movements (SPEM) with gain close to one, SPEM should be controlled mainly by prediction of target motion because retinal slip is nearly zero. We investigated the neural mechanisms of visual-target prediction by the three fMRI experiments. (1) Overt pursuit task: subjects pursued a sinusoidally moving target which blinked (blink condition) or did not blink (continuous condi...
A Human-Computer Interaction (HCI) framework that is de-marked for people with serious inabilities to recreate control of a conventional machine mouse is presented. The cam based framework, screens a client's eyes and permits the client to simulate clicking the mouse utilizing deliberate blinks and winks. For clients who can control head developments and can wink with one eye while keeping thei...
When choosing an artificial tear to optimize the ocular surface and visual acuity, I look for one that minimizes blur and remains on the eye for a long time. I have a few top choices, but recently, I have favored a hyaluronic acid-based tear (Blink Tears; Abbott Medical Optics Inc., Santa Ana, CA) that is clinically proven to reduce blur and moisturize the cornea for at least 1 hour (data on fi...
Measurements were made of resting potentials, input resistance, and excitability to intracellularly applied, depolarizing current pulses in neurons of the pericruciate cortex of conscious cats before and after acquisition of a rapidly conditioned eye blink reflex (CR). Neuronal excitability increased after conditioning, and an increased input resistance was found to be correlated with the incre...
During a dyadic social interaction, two individuals can share visual attention through gaze, directed to each other (eye contact) or to a third person or an object (joint attention). Eye contact and joint attention are tightly coupled to generate the state of shared attention across individuals. Hyperscanning fMRI conducted with pairs of adults during joint attention tasks showed interindividua...
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