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. How does the eye perceive size, depth and relative distances?
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Solved in 3 steps
- How does the eye focus the light rays of an image? What do nearsighted and farsighted mean?How do somatic sensations differ from special senses?Larry goes to the doctor complaining that he cant see the right side of the visual field with either eye. Where in the visual signal-processing pathway is Larrys problem occurring?
- Illustrate the steps required for visual processing?What are the neural pathways and mechanisms involved in the processing of visual information, and how do they differ from those involved in processing information from other sensory systems such as hearing, taste, and smell?Relate the arrangement of the visual field to binocularvision and depth perception.
- How are far point of vision and near point of visiondetermined?How do we perceive stimuli in everyday life. Describe this pathway (do not list) for vision OR olfaction using the key words listed below. (Note: Be sure you can do this for sound and balance too) Start with the stimulus and end with its perception in the cortex. (Note: words are in no particular order). Key words for vision: photoreceptor, retina, light, visual cortex, optic nerve (CN II), action potentials, optic chiasm, optic tract, LGN of thalamus, “I see light!” Key words for olfaction: odorant, olfactory receptor cell, olfactory nerve (CN I), g-proteins, olfactory bulb, olfactory tract, olfactory cortex, action potentials, odor molecules. “I smell coffee!”Two objects with the same visual angle will always... have the same retinal image size. be at the same location. be at the same distance. have the same perceived size.