Chapter 4: Problem 2

Since an object moving across a visual field stimulates a set for a short period, it creates onset and offset patterns similar to those of an intermittent light. When an object travels briefly across your line of vision, it triggers an effect not unlike that of a strobe light. When visual stimuli quickly enter and exit your sight range, they generate an open/close effect within the eye that stimulates the eye's innermost cells. Since the cells are stimulated for a short period of time, an object in front of the eye will cause intermittent stimulation.

Short Answer

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The passages describe a transient visual stimulus (like a quickly passing object) causing a fluctuating activation pattern in retinal cells, similar to a strobe light.

Step by step solution

Overview of Content

All three sentences provide a description of a very similar phenomenon. It is crucial to understand that whether it's an object briefly crossing the line of vision, visual stimuli quickly entering and exiting sight range, or an object in front of the eye causing intermittent stimulation, all these scenarios refer to the same event.

Scientific Translation

This phenomenon can be scientifically described as follows: A brief visual stimulus passing across the viewer's visual field induces transient activation of retinal cells. This activation pattern may be analogous to that elicited by an intermittent light source, or 'strobe light' effect.

Synthesis of Information

The three sentences, therefore, all describe an identical event but use different phrases. Essentially, this is an explanation of how transient visual stimuli activate the retina's cells in a way similar to the strobe light effect.

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