Question 1

The change in the membrane potential of a receptor when it is stimulated is called the _______ potential.

Accepted Answer

receptor and generator

Question 2

The term "adequate stimulus" refers to

Accepted Answer

A)  the type of stimulus for which a given sensory system is particularly adapted. 
B)  the lowest level of a stimulus that elicits a response. 
C)  a highly reliable stimulus. 
D)  None of the above 
A)  the type of stimulus for which a given sensory system is particularly adapted. 
B)  the lowest level of a stimulus that elicits a response. 
C)  a highly reliable stimulus. 
D)  None of the above A

Question 3

Refer to the figure.
  What is the receptor labeled A on this figure, and what type of senses are detected by this receptor?

Accepted Answer

A)  Ruffini's endings; stretch 
B)  Ruffini's endings; vibration 
C)  Pacinian corpuscle; vibration 
D)  Pacinian corpuscle; stretch 
A)  Ruffini's endings; stretch 
B)  Ruffini's endings; vibration 
C)  Pacinian corpuscle; vibration 
D)  Pacinian corpuscle; stretch C

Question 4

Electrical stimulation of the _______ produces analgesia in both rats and humans.

Accepted Answer

A)  periaqueductal gray of the brainstem 
B)  deep cerebellar nuclei 
C)  lateral geniculate of the thalamus 
D)  ventral regions of the spinal cord 
A)  periaqueductal gray of the brainstem 
B)  deep cerebellar nuclei 
C)  lateral geniculate of the thalamus 
D)  ventral regions of the spinal cord

Question 5

The brain can differentiate between each sensory modality because

Accepted Answer

A)  the action potentials, sent along the same nerve tracts, get sorted by the thalamus. 
B)  the action potentials for each one is sent along separate nerve tracts. 
C)  each sense uses different neurotransmitters. 
D)  each sensory input, passing through the same lines, triggers action potentials in a different pattern. 
A)  the action potentials, sent along the same nerve tracts, get sorted by the thalamus. 
B)  the action potentials for each one is sent along separate nerve tracts. 
C)  each sense uses different neurotransmitters. 
D)  each sensory input, passing through the same lines, triggers action potentials in a different pattern.

Question 6

Individual cortical neurons that respond to inputs from more than one type of sense are called _______ neurons.

Accepted Answer

The answer of Individual cortical neurons that respond to inputs...

Question 7

Stimulation of the _______ area can induce ______.

Accepted Answer

A)  periaqueductal grey; analgesia 
B)  periaqueductal grey; pain 
C)  thalamus; analgesia 
D)  thalamus; pain 
A)  periaqueductal grey; analgesia 
B)  periaqueductal grey; pain 
C)  thalamus; analgesia 
D)  thalamus; pain

Question 8

Which substance is not important in mediating pain perception?

Accepted Answer

A)  Histamine 
B)  Substance P 
C)  Serotonin 
D)  Natriuretic polypeptide B 
A)  Histamine 
B)  Substance P 
C)  Serotonin 
D)  Natriuretic polypeptide B

Question 9

Each sensory receptor organ is affected by particular environmental events for which that organ is particularly adapted. These events are called

Accepted Answer

A)  adequate stimuli. 
B)  pain. 
C)  energy. 
D)  inadequate stimuli. 
A)  adequate stimuli. 
B)  pain. 
C)  energy. 
D)  inadequate stimuli.

Question 10

How does a sensory system code a wide range of stimulus intensities?

Accepted Answer

A sensory system codes a wide range of s

Question 11

Discuss the plasticity of cortical sensory representations in the cortex as a result of de-afferentation from the hand (such as occurs in amputation).

Accepted Answer

De-afferentation from the hand, such as

Question 12

Mice lacking the gene for TRPV1 respond to _______ but not to _______.

Accepted Answer

A)  light touch; mechanosensory pain 
B)  mildly painful stimuli; extremely painful stimuli 
C)  mechanosensory pain; heat 
D)  auditory stimuli; visual stimuli 
A)  light touch; mechanosensory pain 
B)  mildly painful stimuli; extremely painful stimuli 
C)  mechanosensory pain; heat 
D)  auditory stimuli; visual stimuli

Question 13

Which statement about sensory cortical maps is true?

Accepted Answer

A)  Cortical maps can change with an animal's experience and training only at early ages. 
B)  Plasticity of cortical maps is found in only a few mammals. 
C)  Plasticity of cortical maps may arise from changes in the strength of existing synapses or the formation or loss of synapses. 
D)  If a body part is surgically removed, its designated area of the cortical map will remain. 
A)  Cortical maps can change with an animal's experience and training only at early ages. 
B)  Plasticity of cortical maps is found in only a few mammals. 
C)  Plasticity of cortical maps may arise from changes in the strength of existing synapses or the formation or loss of synapses. 
D)  If a body part is surgically removed, its designated area of the cortical map will remain.

Question 14

As you sit and answer this question, you are receiving less and less information about the feeling of the seat on which you are sitting. This is due to the process underlying your sensory receptors response to the stimuli called

Accepted Answer

A)  phasic response. 
B)  tonic response. 
C)  sensory reduction. 
D)  adaptation. 
A)  phasic response. 
B)  tonic response. 
C)  sensory reduction. 
D)  adaptation.

Question 15

Which region has been implicated in attention?

Accepted Answer

A)  Occipital cortex 
B)  Cingulate cortex 
C)  Frontal cortex 
D)  Primary motor cortex 
A)  Occipital cortex 
B)  Cingulate cortex 
C)  Frontal cortex 
D)  Primary motor cortex

Question 16

Matching
-Pacinian corpuscle _____

Accepted Answer

A)  Touch 
B)  Pain and temperature 
C)  Vibration and deep pressure 
D)  Skin stretching 
A)  Touch 
B)  Pain and temperature 
C)  Vibration and deep pressure 
D)  Skin stretching

Question 17

The progressive loss of sensitivity of a sensory receptor as a consequence of sustained stimulation is known as

Accepted Answer

A)  specific nerve energy. 
B)  tonic reception. 
C)  labeled lines. 
D)  adaptation. 
A)  specific nerve energy. 
B)  tonic reception. 
C)  labeled lines. 
D)  adaptation.

Question 18

The two systems that provide us with the itch sensation use

Accepted Answer

A)  CMR1 receptors. 
B)  TRPV1 receptors. 
C)  Nav1.7 channels. 
D)  TRPM3 receptors 
A)  CMR1 receptors. 
B)  TRPV1 receptors. 
C)  Nav1.7 channels. 
D)  TRPM3 receptors

Question 19

The evolutionary advantage of sensory adaptation is that it

Accepted Answer

A)  prevents fatigue of sensory receptors. 
B)  allows people to attend to the constant excitation of the hairs on the skin by clothing. 
C)  prevents the nervous system from being overwhelmed by stimuli that offer very little news about the world. 
D)  allows the human brain to reassign sensory cortex if a limb is lost. 
A)  prevents fatigue of sensory receptors. 
B)  allows people to attend to the constant excitation of the hairs on the skin by clothing. 
C)  prevents the nervous system from being overwhelmed by stimuli that offer very little news about the world. 
D)  allows the human brain to reassign sensory cortex if a limb is lost.

Question 20

Summarize the manner in which sensory energy is encoded in patterns of neural impulses, and explain how information about the strength, adaptation, and location of stimuli is extracted by the nervous system while filtering out extraneous information.

Accepted Answer

Sensory energy is encoded in patterns of

The change in the membrane potential of a receptor when it is stimulated is called the _______ potential.

The term "adequate stimulus" refers to

Refer to the figure. What is the receptor labeled A on this figure, and what type of senses are detected by this receptor?

Electrical stimulation of the _______ produces analgesia in both rats and humans.

The brain can differentiate between each sensory modality because

Individual cortical neurons that respond to inputs from more than one type of sense are called _______ neurons.

Stimulation of the _ area can induce .

Which substance is not important in mediating pain perception?

Each sensory receptor organ is affected by particular environmental events for which that organ is particularly adapted. These events are called

How does a sensory system code a wide range of stimulus intensities?

Discuss the plasticity of cortical sensory representations in the cortex as a result of de-afferentation from the hand (such as occurs in amputation).

Mice lacking the gene for TRPV1 respond to _ but not to _.

Which statement about sensory cortical maps is true?

As you sit and answer this question, you are receiving less and less information about the feeling of the seat on which you are sitting. This is due to the process underlying your sensory receptors response to the stimuli called

Which region has been implicated in attention?

Matching -Pacinian corpuscle _____

The progressive loss of sensitivity of a sensory receptor as a consequence of sustained stimulation is known as

The two systems that provide us with the itch sensation use

The evolutionary advantage of sensory adaptation is that it

Summarize the manner in which sensory energy is encoded in patterns of neural impulses, and explain how information about the strength, adaptation, and location of stimuli is extracted by the nervous system while filtering out extraneous information.

Behavioral Neuroscience Scope and Outlook

Functional Neuroanatomy: The Cells and Structures of the Nervous System

Neurophysiology: The Generation, Transmission, and Integration of Neural Signals

The Chemistry of Behavior: Neurotransmitters and Neuropharmacology

Hormones and the Brain

Evolution of the Brain and Behavior

Life-Span Development of the Brain and Behavior

Hearing, Balance, Taste, and Smell

Vision: From Eye to Brain

Motor Control and Plasticity

Sex: Evolutionary, Hormonal, and Neural Bases

Homeostasis: Active Regulation of the Internal Environment

Biological Rhythms, Sleep, and Dreaming

Emotions, Aggression, and Stress

Psychopathology: Biological Basis of Behavioral Disorders

Learning and Memory

Attention and Higher Cognition

Language and Lateralization

Filters

Exam 8: General Principles of Sensory Processing, Touch, and Pain

The change in the membrane potential of a receptor when it is stimulated is called the _______ potential.

The term "adequate stimulus" refers to

Refer to the figure. What is the receptor labeled A on this figure, and what type of senses are detected by this receptor?

Electrical stimulation of the _______ produces analgesia in both rats and humans.

The brain can differentiate between each sensory modality because

Individual cortical neurons that respond to inputs from more than one type of sense are called _______ neurons.

Stimulation of the _______ area can induce ______.

Which substance is not important in mediating pain perception?

Each sensory receptor organ is affected by particular environmental events for which that organ is particularly adapted. These events are called

How does a sensory system code a wide range of stimulus intensities?

Discuss the plasticity of cortical sensory representations in the cortex as a result of de-afferentation from the hand (such as occurs in amputation).

Mice lacking the gene for TRPV1 respond to _______ but not to _______.

Which statement about sensory cortical maps is true?

As you sit and answer this question, you are receiving less and less information about the feeling of the seat on which you are sitting. This is due to the process underlying your sensory receptors response to the stimuli called

Which region has been implicated in attention?

Matching -Pacinian corpuscle _____

The progressive loss of sensitivity of a sensory receptor as a consequence of sustained stimulation is known as

The two systems that provide us with the itch sensation use

The evolutionary advantage of sensory adaptation is that it

Summarize the manner in which sensory energy is encoded in patterns of neural impulses, and explain how information about the strength, adaptation, and location of stimuli is extracted by the nervous system while filtering out extraneous information.

Behavioral Neuroscience Scope and Outlook

Functional Neuroanatomy: The Cells and Structures of the Nervous System

Neurophysiology: The Generation, Transmission, and Integration of Neural Signals

The Chemistry of Behavior: Neurotransmitters and Neuropharmacology

Hormones and the Brain

Evolution of the Brain and Behavior

Life-Span Development of the Brain and Behavior

Hearing, Balance, Taste, and Smell

Vision: From Eye to Brain

Motor Control and Plasticity

Sex: Evolutionary, Hormonal, and Neural Bases

Homeostasis: Active Regulation of the Internal Environment

Biological Rhythms, Sleep, and Dreaming

Emotions, Aggression, and Stress

Psychopathology: Biological Basis of Behavioral Disorders

Learning and Memory

Attention and Higher Cognition

Language and Lateralization

Filters

Stimulation of the _ area can induce .

Mice lacking the gene for TRPV1 respond to _ but not to _.