SENSATION AND PERCEPTION
VISION SENSORY AND PERCEPTUAL PROCESSING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The optic nerve leaves the eye therefore there are no receptor cells there.
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Everyone is born with some damanged parts of their retina.
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We ignore things we do not like.
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The brian is filtering information to help with selective attention.
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Detailed explanation-1: -Each of our eyes has a tiny functional blind spot about the size of a pinhead. In this tiny area, where the optic nerve passes through the surface of the retina, there are no photoreceptors . Since there are no photoreceptor cells detecting light, it creates a blind spot.
Detailed explanation-2: -With both eyes open, the blind spots are not perceived because the visual fields of the two eyes overlap. Indeed, even with one eye closed, the blind spot can be difficult to detect subjectively because of the ability of the brain to “fill in” or ignore the missing portion of the image.
Detailed explanation-3: -The optic nerve exits the back of the eye through a hole called the optic disk. Since no receptor cells are located in this region, it forms a blind spot in the visual image of the external world. This blind spot is easily compensated for by primary visual cortex with information obtained from the opposite eye.
Detailed explanation-4: -Answer: The blind spot is the part of our retina that lacks light-sensitive receptor cells. The back of our eye is called the retina. The retina is packed with photoreceptor cells that respond to incoming light. These cells do not exist in the blind spot.
Detailed explanation-5: -The blind spot does not result in a blind spot in the visual field because the field of vision of both eyes overlap each other and thus neglecting the blind spot. Also, even if the other eye is closed, the brain has the ability to neglect or compensate the said area.