Question 1

The basis for many dynamic imaging systems is that active brain regions _____.

Accepted Answer

A)  are warmer than less active brain regions 
B)  consume more glucose than less active regions 
C)  have more dendrites than less active regions 
D)  move slightly more than less active regions. 
A)  are warmer than less active brain regions 
B)  consume more glucose than less active regions 
C)  have more dendrites than less active regions 
D)  move slightly more than less active regions. B

Question 2

Dynamic imaging technology can record changes in:

Accepted Answer

A)  intelligence. 
B)  cell structure. 
C)  skull integrity. 
D)  brain activity. 
A)  intelligence. 
B)  cell structure. 
C)  skull integrity. 
D)  brain activity. D

Question 3

Which of the following techniques is currently used in the treatment of the tremors and rigidity associated with Parkinson's disease?

Accepted Answer

A)  superficial brain stimulation 
B)  deep brain stimulation 
C)  temporal brain stimulation 
D)  psychotherapy 
A)  superficial brain stimulation 
B)  deep brain stimulation 
C)  temporal brain stimulation 
D)  psychotherapy B

Question 4

The readiness potential is associated with activity in the _____ indicating _____.

Accepted Answer

A)  motor cortex; an impending movement 
B)  visual cortex; an impending movement 
C)  somatosensory cortex; stimulus expectancy 
D)  frontal cortex; stimulus expectancy 
A)  motor cortex; an impending movement 
B)  visual cortex; an impending movement 
C)  somatosensory cortex; stimulus expectancy 
D)  frontal cortex; stimulus expectancy

Question 5

The three - dimensional units used in the analysis of PET and MRI scans are known as:

Accepted Answer

A)  voxels. 
B)  pixels. 
C)  integrals. 
D)  morphemes. 
A)  voxels. 
B)  pixels. 
C)  integrals. 
D)  morphemes.

Question 6

Which of the following imaging techniques has a spatial resolution of 1 cubic millimeter?

Accepted Answer

A)  PET 
B)  MRI 
C)  EEG 
D)  ERP 
A)  PET 
B)  MRI 
C)  EEG 
D)  ERP

Question 7

A decrease in the firing rate of a visual cortex neuron in response to a change in stimulus color can be viewed as:

Accepted Answer

A)  a neural code for the new color. 
B)  always indicating a lack of neural processing of that new color. 
C)  a da Vinci code for color. 
D)  a typical code for impending sleep. 
A)  a neural code for the new color. 
B)  always indicating a lack of neural processing of that new color. 
C)  a da Vinci code for color. 
D)  a typical code for impending sleep.

Question 8

Electroencephalography measures changes in:

Accepted Answer

A)  blood oxygenation levels generated by large numbers of neurons. 
B)  glucose metabolism generated by large groups of neurons. 
C)  voltage generated by large groups of neurons. 
D)  voltage generated by single neurons. 
A)  blood oxygenation levels generated by large numbers of neurons. 
B)  glucose metabolism generated by large groups of neurons. 
C)  voltage generated by large groups of neurons. 
D)  voltage generated by single neurons.

Question 9

The fMRI technique makes use of activity - dependent changes in:

Accepted Answer

A)  blood oxygen levels. 
B)  radioactive decay. 
C)  glucose accumulation. 
D)  myelin density. 
A)  blood oxygen levels. 
B)  radioactive decay. 
C)  glucose accumulation. 
D)  myelin density.

Question 10

In MRI, a _____ is used to align _____ along their axis of spin.

Accepted Answer

A)  radioactive pulse; protons 
B)  radioactive pulse; neutrons 
C)  magnetic field; protons 
D)  magnetic field; neutrons 
A)  radioactive pulse; protons 
B)  radioactive pulse; neutrons 
C)  magnetic field; protons 
D)  magnetic field; neutrons

Question 11

MOST neurons respond to:

Accepted Answer

A)  a wide range of sensory stimuli or behaviors. 
B)  a limited range of sensory stimuli or behaviors. 
C)  sensory stimuli but not behaviors. 
D)  behaviors but not sensory stimuli. 
A)  a wide range of sensory stimuli or behaviors. 
B)  a limited range of sensory stimuli or behaviors. 
C)  sensory stimuli but not behaviors. 
D)  behaviors but not sensory stimuli.

Question 12

Which of the following techniques provides the MOST specific spatial and temporal information about the relationship between neural function and behavior?

Accepted Answer

A)  positron emission tomography 
B)  functional magnetic resonance imaging 
C)  computed tomography 
D)  single-cell recording
Answer Key 
A)  positron emission tomography 
B)  functional magnetic resonance imaging 
C)  computed tomography 
D)  single-cell recording
Answer Key

Question 13

The imaging technique that provides the greatest contrast between brain tissues of different densities is:

Accepted Answer

A)  electroencephalography. 
B)  transcranial magnetic stimulation. 
C)  positron emission tomography. 
D)  magnetic resonance imaging. 
A)  electroencephalography. 
B)  transcranial magnetic stimulation. 
C)  positron emission tomography. 
D)  magnetic resonance imaging.

Question 14

The signal measured in a PET scan is generated by:

Accepted Answer

A)  blood oxygen levels. 
B)  magnetic fields. 
C)  radioactive decay. 
D)  transmembrane ion flux. 
A)  blood oxygen levels. 
B)  magnetic fields. 
C)  radioactive decay. 
D)  transmembrane ion flux.

Question 15

PET experiments distinguish brain regions associated with a specific cognitive function from regions active during more elementary processing through use of the _____ method.

Accepted Answer

A)  addition 
B)  subtraction 
C)  control 
D)  exclusion 
A)  addition 
B)  subtraction 
C)  control 
D)  exclusion

Question 16

Conventional radiography, angiography, and computed tomography all measure differences in:

Accepted Answer

A)  blood flow. 
B)  high-contrast dyes. 
C)  tissue density. 
D)  fat content. 
A)  blood flow. 
B)  high-contrast dyes. 
C)  tissue density. 
D)  fat content.

Question 17

The firing frequency of human cortical neurons is within the range of:

Accepted Answer

A)  300-400 discharges per minute. 
B)  75-100 discharges per minute. 
C)  150-200 discharges per minute. 
D)  3-10 discharges per minute. 
A)  300-400 discharges per minute. 
B)  75-100 discharges per minute. 
C)  150-200 discharges per minute. 
D)  3-10 discharges per minute.

Question 18

Epilepsy is characterized by:

Accepted Answer

A)  the absence of electrical activity within the brain. 
B)  abnormally slow electrical discharges in the brain. 
C)  abnormal electrical discharges in the brain. 
D)  hyperexcitability of muscle tissue, resulting in seizures. 
A)  the absence of electrical activity within the brain. 
B)  abnormally slow electrical discharges in the brain. 
C)  abnormal electrical discharges in the brain. 
D)  hyperexcitability of muscle tissue, resulting in seizures.

Question 19

Your brain is probably producing _____ waves as you read this sentence.

Accepted Answer

A)  delta 
B)  alpha 
C)  theta 
D)  beta 
A)  delta 
B)  alpha 
C)  theta 
D)  beta

Exam 7: Extension: A - Imaging the Brains Activity

The basis for many dynamic imaging systems is that active brain regions _____.

Dynamic imaging technology can record changes in:

Which of the following techniques is currently used in the treatment of the tremors and rigidity associated with Parkinson's disease?

The readiness potential is associated with activity in the _____ indicating _____.

The three - dimensional units used in the analysis of PET and MRI scans are known as:

Which of the following imaging techniques has a spatial resolution of 1 cubic millimeter?

A decrease in the firing rate of a visual cortex neuron in response to a change in stimulus color can be viewed as:

Electroencephalography measures changes in:

The fMRI technique makes use of activity - dependent changes in:

In MRI, a _____ is used to align _____ along their axis of spin.

MOST neurons respond to:

Which of the following techniques provides the MOST specific spatial and temporal information about the relationship between neural function and behavior?

The imaging technique that provides the greatest contrast between brain tissues of different densities is:

The signal measured in a PET scan is generated by:

PET experiments distinguish brain regions associated with a specific cognitive function from regions active during more elementary processing through use of the _____ method.

Conventional radiography, angiography, and computed tomography all measure differences in:

The firing frequency of human cortical neurons is within the range of:

Epilepsy is characterized by:

Your brain is probably producing _____ waves as you read this sentence.

Extension: A - The Development of Neuropsychology

Extension: B - The Development of Neuropsychology

Extension: C - The Development of Neuropsychology

Extension: A - Research on the Origins of the Human Brain and Behavior

Extension: B - Research on the Origins of the Human Brain and Behavior

Extension: C - Research on the Origins of the Human Brain and Behavior

Extension: A - Nervous System Organization

Extension: B - Nervous System Organization

Extension: C - Nervous System Organization

Extension: A - the Structure and Electrical Activity of Neurons

Extension: B - the Structure and Electrical Activity of Neurons

Extension: C - the Structure and Electrical Activity of Neurons

Extension: A - Communication Between Neurons

Extension: B - Communication Between Neurons

Extension: C - Communication Between Neurons

Extension: A - The Influence of Drugs and Hormones on Behavior

Extension: B - The Influence of Drugs and Hormones on Behavior

Extension: C - The Influence of Drugs and Hormones on Behavior

Extension: B - Imaging the Brains Activity

Extension: C - Imaging the Brains Activity

Extension: A - Organization of the Sensory Systems

Extension: B - Organization of the Sensory Systems

Extension: C - Organization of the Sensory Systems

Extension: A - Organization of the Motor System

Extension: B - Organization of the Motor System

Extension: C - Organization of the Motor System

Extension: A - Principles of Neurocortical Function

Extension: B - Principles of Neurocortical Function

Extension: C - Principles of Neurocortical Function

Extension: A - Cerebral Asymmetry

Extension: B - Cerebral Asymmetry

Extension: C - Cerebral Asymmetry

Extension: A - Variations in Cerebral Asymmetry

Extension: B - Variations in Cerebral Asymmetry

Extension: C - Variations in Cerebral Asymmetry

Extension: A - The Occipital Lobes

Extension: B - The Occipital Lobes

Extension: C - The Occipital Lobes

Extension: A - The Parietal Lobes

Extension: B - The Parietal Lobes

Extension: C - The Parietal Lobes

Extension: A - The Temporal Lobes

Extension: B - The Temporal Lobes

Extension: C - The Temporal Lobes

Extension: A - The Frontal Lobes

Extension: B - The Frontal Lobes

Extension: C - The Frontal Lobes

Extension: A - Cortical Networks and Disconnection Syndromes

Extension: B - Cortical Networks and Disconnection Syndromes

Extension: C - Cortical Networks and Disconnection Syndromes

Extension: A - Learning and Memory

Extension: B - Learning and Memory

Extension: C - Learning and Memory

Extension: A - Language

Extension: B - Language

Extension: C - Language

Extension: A - Emotion and the Social Brain

Extension: B - Emotion and the Social Brain

Extension: C - Emotion and the Social Brain

Extension: A - Spatial Behavior

The readiness potential is associated with activity in the _ indicating _.

In MRI, a _ is used to align _ along their axis of spin.