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Sensation and Perception

This activity contains 25 questions.

Question 1.
A receptor cell

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Question 2.
A change in stimulation that can be detected 50% of the time is called

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Question 3.
Light enters the eye through the

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Question 4.
Cones are

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Question 5.
The process of mixing various pigments together to create different colors is called

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Question 6.
Frequency determines

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Question 7.
Hertz is a unit of measurement of

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Question 8.
The snail-shaped structure in the inner ear is called the

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Question 9.
Visual distance and depth cues that require the use of both eyes are called

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Question 10.
Match the following terms with their examples.

A matching question presents 6 answer choices and 6 items. The answer choices are lettered A through F. The items are numbered 10.1 through 10.6. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A Astronauts will have to adjust to losing this in space.
B In vision, this is a candle flame seen from 30 miles on a clear, dark night.
C When one eye is closed, our brain often fills in what it thinks should be here, and we don't often notice it.
D When we read, we need to examine the letters in fine detail. Therefore, we place the letters of words into this.
E A modified version of the frequency theory.
F When you enter a bright room, this will close down and get smaller.
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Question 11.
The clear, transparent, protective coating over the front part of the eye is the

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Question 12.
Sensation is to __________ as perception is to _________.

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Question 13.
Creating meaningful patterns from sensory information is the process called

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Question 14.
What kinds of receptors are found in the retina?

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Question 15.
Which of the following is true about rods?

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Question 16.
The ability of the eye to distinguish fine details is called

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Question 17.
Research suggests that

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Question 18.
Pitch is

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Question 19.
Decibels are used to measure

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Question 20.
The hammer, anvil, and stirrup are the

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Question 21.
Optical illusions result from distortion in

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Question 22.
Which of the following responses in a signal-detection task means the observer failed to detect the signal when it was present?

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Question 23.
Where is the blind spot located in the eye?

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Question 24.
When a figure has a gap we tend to perceive the figure as closed and complete. Which Gestalt principle explains this?

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Question 25.
Which structure in the ear is involved in equilibrium?

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