Psychology 103 - Physiological Psychology » Spring 2022 » Chapter 6 Practice Quiz 1

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Question #1
In humans, all of the visual receptors are in the
A.   middle neural layer of the retina.
B.   last layer of the retina to be reached by light entering the eye.
C.   cornea.
D.   first layer of the retina to be reached by light entering the eye.
E.   optic disk.
Question #2
High-acuity vision is mediated by the
A.   blind spot.
B.   sclera.
C.   fovea.
D.   optic disk.
E.   choroid.
Question #3
Color vision is mediated by
A.   the photopic system.
B.   the scotopic system.
C.   duplexity.
D.   rhodopsin.
E.   rods.
Question #4
High-acuity vision is mediated by
A.   the optic disks.
B.   the photopic system.
C.   rhodopsin.
D.   the scotopic system.
Question #5
In comparison to the photopic system, the scotopic system has more
A.   all of these
B.   receptors in the periphery of the retina.
C.   rods.
D.   sensitivity in dim illumination.
E.   neural convergence.
Question #6
There are more rods
A.   all of these
B.   at the center of the fovea than there are 20° from the center.
C.   in the temporal hemiretina than in the nasal hemiretina.
D.   in the nasal hemiretina than in the temporal hemiretina.
Question #7
The photopic spectral sensitivity curve of a person can be determined by having the person report the
A.   intensity of various wavelengths of light shone on the fovea.
B.   brightness of various intensities of light shone on the periphery of the retina.
C.   intensity of various wavelengths of light shone on the periphery of the retina.
D.   brightness of various wavelengths of light shone on the fovea.
Question #8
Saccades are
A.   eye movements.
B.   centers of color vision.
C.   connections between the photopic and scotopic systems.
D.   retinal neurons.
E.   blind spots.
Question #9
Simple images that are stabilized on the retina start to
A.   continually disappear and reappear.
B.   vibrate.
C.   change shape.
D.   increase in brightness.
E.   move to the midline.
Question #10
Transduction refers to the
A.   transmission of sensory signals to the cortex.
B.   perception of lights.
C.   transmission of visual signals to the cortex.
D.   translation of one form of energy to another.
E.   disappearance of visual stimuli.
Question #11
The absorption spectrum of rhodopsin closely corresponds to the
A.   colors of the rainbow.
B.   absorption spectrum of cones.
C.   photopic vision of humans.
D.   scotopic spectral sensitivity curve.
E.     
F.   photopic vision of fish.
Question #12
The bleaching of rhodopsin by light
A.   opens potassium channels.
B.   depolarizes cones.
C.   depolarizes rods.
D.   hyperpolarizes rods.
E.   opens sodium channels.
Question #13
The major distortion in the retinotopic layout of the primary visual cortex is the disproportionately
A.   high cortical representation of movement.
B.   high cortical representation of the fovea.
C.   low cortical representation of movement.
D.   low cortical representation of the fovea.
E.   low cortical representation of color.
Question #14
Magnocellular neurons are particularly responsive to
A.   stationary patterns.
B.   color.
C.   detail.
D.   movement.
E.   all of these
Question #15
The parvocellular neurons are particularly responsive to
A.   color, fine detail, and stationary objects.
B.   black and white, stripes, and moving objects.
C.   moving objects, large patterns, and color.
D.   color, fast moving objects, and faces.
E.   large, moving objects.
Question #16
Nonexistent stripes of lightness and darkness that accentuate the perception of edges are often called
A.   lateral inhibitions.
B.   Mach bands.
C.   hallucinations.
D.   ommatidia.
E.   lateral plexuses.
Question #17
Lateral inhibition in horseshoe crab ommatidia is mediated by the
A.   limulus.
B.   lateral geniculate.
C.   horizontal cell layer.
D.   amacrine layer.
E.   lateral neural network.

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