Question 1

The membrane of a retinal photoreceptor is ________ in the dark, whereas exposure to light ________ the membrane.

Accepted Answer

A)  depolarized; further depolarizes 
B)  hyperpolarized; inactivates 
C)  inactive; depolarizes 
D)  hyperpolarized; further hyperpolarizes 
E)  depolarized; hyperpolarizes 
A)  depolarized; further depolarizes 
B)  hyperpolarized; inactivates 
C)  inactive; depolarizes 
D)  hyperpolarized; further hyperpolarizes 
E)  depolarized; hyperpolarizes

Question 2

The ventral visual stream projects to the ________ and is involved in ________.

Accepted Answer

A)  primary motor cortex; object texture 
B)  temporal association cortex; object color 
C)  parietal association cortex; the analysis of "where" an object is located in space 
D)  parietal association cortex; the analysis of object identity 
E)  inferior temporal cortex; he perception of form 
A)  primary motor cortex; object texture 
B)  temporal association cortex; object color 
C)  parietal association cortex; the analysis of "where" an object is located in space 
D)  parietal association cortex; the analysis of object identity 
E)  inferior temporal cortex; he perception of form

Question 3

The parvocellular and magnocellular layers of the dorsal lateral geniculate nucleus

Accepted Answer

A)  may represent different visual systems. 
B)  analyze the same kind of information from the visual field. 
C)  are connected to the nasal and temporal halves of the retina, respectively. 
D)  receive input from the contralateral and ipsilateral halves of the visual field, respectively. 
E)  send inhibitory signals back to the retina. 
A)  may represent different visual systems. 
B)  analyze the same kind of information from the visual field. 
C)  are connected to the nasal and temporal halves of the retina, respectively. 
D)  receive input from the contralateral and ipsilateral halves of the visual field, respectively. 
E)  send inhibitory signals back to the retina.

Question 4

Which of the following is true of the thalamic dorsal lateral geniculate nucleus (LGN)?

Accepted Answer

A)  The LGN is comprised of six similar layers. 
B)  Each LGN layer receives information from one eye. 
C)  The inner four layers of the LGN are termed the parvocellular layers. 
D)  The outer four layers of the LGN are termed the magnocellular layers. 
E)  The cell bodies of the inner two layers of the LGN are larger than those of the outer four layers. 
A)  The LGN is comprised of six similar layers. 
B)  Each LGN layer receives information from one eye. 
C)  The inner four layers of the LGN are termed the parvocellular layers. 
D)  The outer four layers of the LGN are termed the magnocellular layers. 
E)  The cell bodies of the inner two layers of the LGN are larger than those of the outer four layers.

Question 5

A person who suffers from deuteranopia would be said to

Accepted Answer

A)  have "green" cones filled with "red" photopigment. 
B)  have poor visual acuity. 
C)  lack "red" cones. 
D)  confuse yellow with blue. 
E)  have color pigments within the rods. 
A)  have "green" cones filled with "red" photopigment. 
B)  have poor visual acuity. 
C)  lack "red" cones. 
D)  confuse yellow with blue. 
E)  have color pigments within the rods.

Question 6

A sensory receptor is a variant of a(n)

Accepted Answer

A)  axon terminal. 
B)  neuron. 
C)  motor cell. 
D)  muscle fiber. 
E)  skin cell. 
A)  axon terminal. 
B)  neuron. 
C)  motor cell. 
D)  muscle fiber. 
E)  skin cell.

Question 7

Visual information from the retina is carried by ________ to the ________.

Accepted Answer

A)  bipolar cell axons; thalamic medial geniculate nucleus 
B)  ganglion cell axons; thalamic medial geniculate nucleus 
C)  short axon fibers; optic chiasma 
D)  ganglion cell axons; thalamic dorsal lateral geniculate nucleus 
E)  ganglion cell axons; striate cortex 
A)  bipolar cell axons; thalamic medial geniculate nucleus 
B)  ganglion cell axons; thalamic medial geniculate nucleus 
C)  short axon fibers; optic chiasma 
D)  ganglion cell axons; thalamic dorsal lateral geniculate nucleus 
E)  ganglion cell axons; striate cortex

Question 8

Which of the following statements is true of color processing in the retina?

Accepted Answer

A)  Blue light inhibits the activity of yellow-blue ganglion cells. 
B)  Green light excites the activity of red-green ganglion cells. 
C)  Red light inhibits the activity of red-green ganglion cells. 
D)  Blue light excites the activity of yellow-blue ganglion cells. 
E)  Yellow light inhibits the activity of both red and yellow ganglion cells. 
A)  Blue light inhibits the activity of yellow-blue ganglion cells. 
B)  Green light excites the activity of red-green ganglion cells. 
C)  Red light inhibits the activity of red-green ganglion cells. 
D)  Blue light excites the activity of yellow-blue ganglion cells. 
E)  Yellow light inhibits the activity of both red and yellow ganglion cells.

Question 9

The attribute of ________ best corresponds to the intensity of a light.

Accepted Answer

A)  brightness 
B)  saturation 
C)  hue 
D)  color 
E)  threshold 
A)  brightness 
B)  saturation 
C)  hue 
D)  color 
E)  threshold

Question 10

During ________ an external energy is converted into changes in receptor membrane potential.

Accepted Answer

sensory tr

Question 11

Another term for the primary visual cortex is

Accepted Answer

A)  visuospatial cortex. 
B)  striate cortex. 
C)  optic cortex. 
D)  calcarine cortex. 
E)  superior visual cortex. 
A)  visuospatial cortex. 
B)  striate cortex. 
C)  optic cortex. 
D)  calcarine cortex. 
E)  superior visual cortex.

Question 12

The retina contains ________ different neuron types.

Accepted Answer

The answer of The retina contains ________ different neuron types....

Question 13

3- Describe how the physical dimensions of light correspond to the psychological dimensions of light.

Accepted Answer

Wavelength of light refers to the distan

Question 14

The process of accommodation involves

Accepted Answer

A)  the lens becoming smaller as one ages. 
B)  contraction of the ciliary muscles to constrict the pupil. 
C)  contraction of the ciliary muscles to dilate the pupil. 
D)  hardening of the lens as one ages. 
E)  the lens becoming more rounded to focus on near objects. 
A)  the lens becoming smaller as one ages. 
B)  contraction of the ciliary muscles to constrict the pupil. 
C)  contraction of the ciliary muscles to dilate the pupil. 
D)  hardening of the lens as one ages. 
E)  the lens becoming more rounded to focus on near objects.

Question 15

The rods and cones are collectively referred to as

Accepted Answer

A)  photoreceptors. 
B)  the hemiretina. 
C)  the fovea. 
D)  ganglion cells. 
E)  vitreous humor. 
A)  photoreceptors. 
B)  the hemiretina. 
C)  the fovea. 
D)  ganglion cells. 
E)  vitreous humor.

Question 16

Which of the following is an explanation for the higher acuity of the visual system at the fovea, relative to the periphery of the retina?

Accepted Answer

A)  A foveal ganglion cell may receive information from a single photoreceptor, whereas a peripheral ganglion cell may receive information from multiple photoreceptors. 
B)  The fovea contains only rods, which are directly connected to the ganglion cells. 
C)  Peripheral photoreceptors are more likely to be damaged by prolonged light exposure. 
D)  The foveal photoreceptor cells contain more photopigment per cell. 
E)  Peripheral photoreceptors are more isolated from bipolar cells and thus require greater activation in order to provoke a visual response. 
A)  A foveal ganglion cell may receive information from a single photoreceptor, whereas a peripheral ganglion cell may receive information from multiple photoreceptors. 
B)  The fovea contains only rods, which are directly connected to the ganglion cells. 
C)  Peripheral photoreceptors are more likely to be damaged by prolonged light exposure. 
D)  The foveal photoreceptor cells contain more photopigment per cell. 
E)  Peripheral photoreceptors are more isolated from bipolar cells and thus require greater activation in order to provoke a visual response.

Question 17

Select the correct sequence for processing of information in the primary visual pathway:

Accepted Answer

A)  retina - > dorsal lateral geniculate (LGN) -> striate cortex 
B)  retina -> striate cortex -> extrastriate cortex -> inferior temporal cortex 
C)  LGN -> retina -> striate cortex -> primary visual cortex 
D)  retina -> LGN -> inferior temporal cortex -> amygdala 
E)  LGN-> frontal cortex -> amygdala -> extrastriate cortex 
A)  retina - > dorsal lateral geniculate (LGN) -> striate cortex 
B)  retina -> striate cortex -> extrastriate cortex -> inferior temporal cortex 
C)  LGN -> retina -> striate cortex -> primary visual cortex 
D)  retina -> LGN -> inferior temporal cortex -> amygdala 
E)  LGN-> frontal cortex -> amygdala -> extrastriate cortex

Question 18

A sensory receptor is specialized for the

Accepted Answer

A)  detection of physical events. 
B)  coordination of movement of the hands and fingers. 
C)  detection of specific chemicals released from other neurons. 
D)  detection of neurohormones in the blood. 
E)  detection of electrical changes in nearby neurons. 
A)  detection of physical events. 
B)  coordination of movement of the hands and fingers. 
C)  detection of specific chemicals released from other neurons. 
D)  detection of neurohormones in the blood. 
E)  detection of electrical changes in nearby neurons.

Question 19

The primate retina

Accepted Answer

A)  contains four photopigments. 
B)  contains five photopigments. 
C)  has one type of cone and three types of rods. 
D)  uses rods to make fine acuity distinctions. 
E)  is composed of alternating layers of rods and cones. 
A)  contains four photopigments. 
B)  contains five photopigments. 
C)  has one type of cone and three types of rods. 
D)  uses rods to make fine acuity distinctions. 
E)  is composed of alternating layers of rods and cones.

Question 20

Which of the following is true of the process of sensory transduction?

Accepted Answer

A)  Receptors show action potentials to external stimuli. 
B)  The intensity of an external stimulus is related to the firing rate of the receptor. 
C)  An external stimulus is converted into changes in receptor membrane potential. 
D)  Most receptors show an action potential when stimulated with an external stimulus. 
E)  Transduction refers to the speed at which a sensory message travels toward the brain. 
A)  Receptors show action potentials to external stimuli. 
B)  The intensity of an external stimulus is related to the firing rate of the receptor. 
C)  An external stimulus is converted into changes in receptor membrane potential. 
D)  Most receptors show an action potential when stimulated with an external stimulus. 
E)  Transduction refers to the speed at which a sensory message travels toward the brain.

The membrane of a retinal photoreceptor is in the dark, whereas exposure to light the membrane.

The ventral visual stream projects to the and is involved in .

The parvocellular and magnocellular layers of the dorsal lateral geniculate nucleus

Which of the following is true of the thalamic dorsal lateral geniculate nucleus (LGN)?

A person who suffers from deuteranopia would be said to

A sensory receptor is a variant of a(n)

Visual information from the retina is carried by to the .

Which of the following statements is true of color processing in the retina?

The attribute of ________ best corresponds to the intensity of a light.

During ________ an external energy is converted into changes in receptor membrane potential.

Another term for the primary visual cortex is

The retina contains ________ different neuron types.

3- Describe how the physical dimensions of light correspond to the psychological dimensions of light.

The process of accommodation involves

The rods and cones are collectively referred to as

Which of the following is an explanation for the higher acuity of the visual system at the fovea, relative to the periphery of the retina?

Select the correct sequence for processing of information in the primary visual pathway:

A sensory receptor is specialized for the

The primate retina

Which of the following is true of the process of sensory transduction?

Introduction

Structure and Function of Cells of the Nervous System

Structure of the Nervous System

Psychopharmacology

Methods and Strategies of Research

Audition, the Body Senses, and the Chemical Senses

Control of Movement

Sleep and Biological Rhythms

Reproductive Behavior

Emotion

Ingestive Behavior

Learning and Memory

Human Communication

Neurological Disorders

Schizophrenia and the Affective Disorders

Anxiety Disorders, Autistic Disorder, Attention-Deficithyperactivity Disorder, and Stress Disorders

Drug Abuse

Filters

Exam 6: Vision

The membrane of a retinal photoreceptor is ________ in the dark, whereas exposure to light ________ the membrane.

The ventral visual stream projects to the ________ and is involved in ________.

The parvocellular and magnocellular layers of the dorsal lateral geniculate nucleus

Which of the following is true of the thalamic dorsal lateral geniculate nucleus (LGN)?

A person who suffers from deuteranopia would be said to

A sensory receptor is a variant of a(n)

Visual information from the retina is carried by ________ to the ________.

Which of the following statements is true of color processing in the retina?

The attribute of ________ best corresponds to the intensity of a light.

During ________ an external energy is converted into changes in receptor membrane potential.

Another term for the primary visual cortex is

The retina contains ________ different neuron types.

3- Describe how the physical dimensions of light correspond to the psychological dimensions of light.

The process of accommodation involves

The rods and cones are collectively referred to as

Which of the following is an explanation for the higher acuity of the visual system at the fovea, relative to the periphery of the retina?

Select the correct sequence for processing of information in the primary visual pathway:

A sensory receptor is specialized for the

The primate retina

Which of the following is true of the process of sensory transduction?

Introduction

Structure and Function of Cells of the Nervous System

Structure of the Nervous System

Psychopharmacology

Methods and Strategies of Research

Audition, the Body Senses, and the Chemical Senses

Control of Movement

Sleep and Biological Rhythms

Reproductive Behavior

Emotion

Ingestive Behavior

Learning and Memory

Human Communication

Neurological Disorders

Schizophrenia and the Affective Disorders

Anxiety Disorders, Autistic Disorder, Attention-Deficithyperactivity Disorder, and Stress Disorders

Drug Abuse

Filters

The membrane of a retinal photoreceptor is in the dark, whereas exposure to light the membrane.

The ventral visual stream projects to the and is involved in .

Visual information from the retina is carried by to the .