Sensation & Perception: Vision

This is an MCQ-based quiz for GRE on the topic of Vision.

This includes terms like Hemeralopia, Prosopagnosia, Macular degeneration, Cataracts, Optic nerve, Pupil and iris, Ganglion cells in the retina, and Cornea.

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Phyllis is 63 years old, and recently she has noticed that colors do not appear as bright or clear as they used to in her memory. She is having trouble driving and reading, but can still knit and cook with little to no issues (i.e. she remembers the recipes without having to read them). Which of the following conditions is most likely affecting Phyllis?

Hemeralopia Prosopagnosia Macular degeneration Cataracts Glaucoma

How do infants typically react when placed on a visual cliff? What do these findings suggest?

They remain still. Young infants are not yet perceptually aware of depth cues. None of these They remain still. Infants have no conception of depth. They move towards the shallow side of the visual cliff. A degree of depth perception seems to be innate. They move towards the shallow side of the visual cliff. Infants learn early in development to fear heights.

Where does transduction occur in the visual sense?

Optic nerve Pupil and iris Ganglion cells in the retina Cornea Photoreceptors in the retina

Where is visual acuity the greatest?

Retina Cornea Ciliary muscles Optic nerve Fovea

Which scenario best describes the phenomenon of blindsight?

An individual has full cortical blindness, but nonetheless confabulates a visual experience, and is unaware of their condition. None of these The term for a paranormal ability akin to clairvoyance, in which one is purportedly able to see without the use of their eyes. An individual is unable to consciously perceive, yet can correctly answer questions about basic visual cues (eg: movement) above a percentage attributable to chance. A label for the phenomenon where blind individuals may make informed guesses about visual stimuli through environmental context and the use of their other senses.

Farsightedness, nearsightedness, and astigmatism are visual deficiencies caused by which of the following?

Abnormalities in the physical shape of the eye Psychosomatic conditions, such as body dysmorphic disorder Damage to the sensory nerves involved in vision Irregularities in or damage to the visual cortex None of these

The Ishihara test is a diagnostic of which of the following?

Attention to minute stimuli Auditory acuity Color vision deficiencies All of these Ability to discriminate between changes in a stimulus

Which of the following best defines a feature detector?

A neuron that responds to stimuli in one's environment The place in the ear where transduction occurs Structures we use to organize the stimuli in our environment Cone cells

Which of the following eye movements are required for reading?

Reflexive eye movementsa Saccade All of these Vergence Smooth pursuit

Which of the following regarding the magnocellular system is true?

It carries high spatial frequency information Is involved in more ventral brain regions involved in recognizing objects. It is sensitive to color It is colorblind It carries low temporal frequency information
Quiz/Test Summary
Title: Sensation & Perception: Vision
Questions: 10
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