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.
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Showing 1 to 6 of 6 for “"Motion stimulus"”.
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Decision making in the absence of conscious awareness
… information processed in the absence of a stimulus—or of conscious awareness of a stimulus—can influence decision accuracy. Using a motion decision task, in Chapter 2 we show that simply delaying responses after stimulus offset can almost double decision accuracy, even In the absence of new …
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The Effects of Common Fate Grouping on Suprathresold Depth Estimates
… Here I tested if this effect generalises to motion based grouping cues, specifically common fate. Stimuli were presented on a mirror stereoscope and an on screen ruler was used to record depth magnitude estimates. It was found that depth estimates were accurate over a range of suprathreshold …
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Common mechanisms for the representation of real, implied, and imagined visual motion
… we ask how a particular sensory property, visual motion, is represented when it is not directly perceived but only imagined or inferred from other cues. In a series of experiments, a motion adaptation paradigm is used to assess directional properties of the responses to mental imagery of motion …
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Processes influencing visual awareness during motion-induced blindness
<p>Visual illusions, such as motion-induced blindness, arise when the visual system, balancing speed and efficiency, summarizes the information it receives to form a percept. Motion-induced blindness (MIB) is characterized as the disappearance of a salient target when surrounded by a moving mask. …
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Multisensory models for human spatial orientation including threshold effects
… simulator design, which involve sub-threshold motions. The literature on motion thresholds is reviewed which suggests that vestibular perception thresholds are not mechanical thresholds, but are due to signal-in-noise phenomenon. As a fIrst step towards incorporating thresholds in Observer, …
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Acquisition of the Oddity Concept by a Harris Hawk: Form versus Motion
… the use of stimuli in two conditions: form and motion. The study was to have consisted of a pre-training phase, a training phase, and a testing phase. However, due to the fact that the subject failed to pass the pre-training phase, the study could not be completed. The present paper includes a …