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Accuracy of Saccades and Evaluating if the Presence Is Affecting the Accuracy - Article Example

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This article "Accuracy of Saccades and Evaluating if the Presence Is Affecting the Accuracy" is addressing the accuracy of saccades and evaluates if the presence of remote and local distracters is affecting this accuracy. Visual targets and remote distracters are independent. …
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Accuracy of Saccades and Evaluating if the Presence Is Affecting the Accuracy
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The paper “Evidence That Indirect Inhibition of Saccade Initiation Improves Saccade Accuracy" is a perfect example of a term paper on health sciences & medicine. Our visual system is designed in a way that an individual must move their eyes to catch a glimpse of the surrounding environment. Different targets present themselves in selecting the next visual target and thus the process is competitive. In determining the depth of the competition, saccade response time is inhabited. Previous research depicts inaccuracy in saccadic eye movement in the presence of a local distracter.

This they attributed to the target and the distracter using the same route. On the other hand, a remote distracter increases the accuracy of a visual target since a remote distracter acts via an indirect route slowing saccade initiation but increasing accuracy. The hypothesis to this research work is “Saccade latency induced by remote and local distracters affect the saccade accuracy of a visual target,” Its alternative hypothesis is that “Saccade latency induced by remote and local distracters does not affect saccade accuracy of a visual target” MethodsThe research carried on eight observers between the ages nineteen and twenty-one were in accordance to standards described in the 1964 Declaration of Helsinki.

A sample of innocent observers was randomly selected after they consented to participate in the study. Every observer went through a trial process to familiarise themself with the timing and configuration of the experiments. With the head movements restricted by the use of chin rest, it was possible to record the eye movements using an eye-tracker with a sampling rate of 500 Hz. It was only at the beginning of eye-tracking that the instruments were calibrated, otherwise on the realization of a big difference between the initial calibration and validation retest.

The fixation point appeared at the middle of the mirror while a remote distracter, local distracter, and target distracters were on the sides. results from figure two, show a monotonic increase in saccade latency of a two-factor SOA distracter with an average probability of 0.01. 

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