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20 Cards in this Set
- Front
- Back
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All sensory systems code for certain aspects of a
stimulus--which one of the following is NOT one of these dimensions? a) modality b) appearance c) location d) intensity e) timing |
b) appearance
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_________ refers to that area of the receptive sheet
where stimulation excites the cell. a) receptive field b) inhibitory field c) transduction area d) stimulus base e) none of the above |
a) receptive field
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The second messenger mechanism serves to __________ a
sensory signal. a) decrease b) obliterate c) amplify d) initiate e) disperse |
c) amplify
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Each of the following is a type of inhibition EXCEPT:
a) lateral b) surround c) convergent d) dispersed e) a, b & c |
d) dispersed
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__________ within the relay nuclei are responsible for feed forward and feedback enhancement of stimulus
contrast. a) inhibitory interneurons b) perceptions c) temporal features |
a) inhibitory interneurons
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All sensory systems convey which of the following types of information?
a) location b) intensity c) modality d) timing e) all of the above |
e) all of the above
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Which of the following mechanoreceptors consists of specialized fibers in the muscle that contain stretch sensitive ion channels coupled to the cytoskeleton?
a) Golgi tendon organ b) extrafusal fibers c) muscle spindle d) olfactory hair cell e) cutaneous receptors |
c) muscle spindle
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The relationship between a subject's estimate of the intensity of a stimulus and the strength of the stimulus could be best described as a(n) ________ relationship.
a) linear b) non-linear c) inverse d) curvilinear e) none of the above |
a) linear
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The continuous firing of a sensory neuron for several minutes without a change in position or amplitude with a subsequent loss in sensation is called:
a) reuptake b) adaptation c) acclimation d) acclimatization e) homeostasis |
b) adaptation
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The activation of inhibitory neurons in which the afferent fibers of receptors or lower-order relay neurons make connections with inhibitory interneurons that have connections with nearby projections neurons in the nucleus is called:
a) feed-forward inhibition b) feedback inhibition c) distal inhibition d) loop inhibition e) relay inhibition |
a) feed-forward inhibition
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Which type of neurons within the relay nuclei are responsible for feed-forward and feedback enhancement of stimulus contrast?
a). CA1 pyramidal cells b). Inhibitory interneurons c). Betz cells d). Renshaw cells e). winner take all cells |
b). Inhibitory interneurons
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Rod and cone photoreceptors respond to
a). Sound b). Smell c). Light d). Touch e). None of the above |
c). Light
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Which of the following is true regarding central representation of sensation?
a). It occurs via one neuron which processes one bit of information b). It occurs via neuronal populations c). It occurs in a winner take none fashion d). b and c only e). None of the above |
b). It occurs via neuronal populations
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Which statement best describes a receptive field?
a). an area of the brain active only with respect to only to ambiguous stimuli b). an area of the brain that receives only non-linear information c). a region of space in the brain is receptive to probing d). a region of space in which people are receptive to neuronal information. e) a region of space in which the presence of a stimulus will alter the firing of that neuron |
e) a region of space in which the presence of a stimulus will alter the firing of that neuron
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In sensory neurons, stimulus intensity is encoded by
a). firing rate b). the binding neurotransmitter c). the alphabet d). Ohm’s Law |
a). firing rate
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Which of the following is not a type of receptor type for the modality of touch?
a. Meissner’s corpuscle b. Merkel cell c. Pacific corpuscle d. Pacinian corpuscle e. Ruffini endings |
c. Pacific corpuscle
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This branch of psychology focused on only observable behavior:
a. Cognitive b. Behaviorism c. Gestalt d. Quantitative e. None of the above |
b. Behaviorism
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What type of receptor class responds to light?
a. Mechanoreceptor b. Chemoreceptor c. Thermoreceptor d. Photoreceptor e. Isoreceptor |
d. Photoreceptor
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This sensory system codes for what we would commonly call taste and relies on receptor cells called taste buds.
a. Visual b. Auditory c. Gustatory d. Olfactory e. Vestibular |
c. Gustatory
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Humans have four classes of receptors to respond four forms of physical energy. Which of the following is NOT a class of receptors?
a. Mechanical b. Chemical c. Thermal d. Electromagnetic e. Atomic |
e. Atomic
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