Font size
WorksheetsVision Science 1 Exam 2 Review
Total questions: 58
Worksheet time: 45mins
How many layers make up the LGN?
4
5
6
8
True or False. Horizontal Cells relay information between Bipolar Cells and Ganglion Cells.
True
False
What layer of the retina are Bipolar Cells located?
Inner Plexiform Layer
Inner Nuclear Layer
Outer Plexiform Layer
Retinal Pigmented Epithelium
The optic nerve is comprised of the axons from which cells?
Bipolar Cells
Horizontal Cells
Retinal Ganglion Cells
Amacrine Cells
Photoreceptors
What is the "first step in vision"?
Photoreceptors
Retinal Ganglion Cells
Transposition
MT/MST
Which is NOT true of the Fovea?
Absence of rods
Absence of retinal vasculature
Maximal cones
Contains flat layer of all cells within the center
What is the function of Midget Bipolar Cells?
Color opponency
Tracking an object
Reading
Balance
What are the first cells to display action potentials?
Ganglion Cells
Bipolar Cells
Photoreceptors
Amacrine Cells
Color
Parasol Ganglion Cells
Midget Ganglion Cells
Movement
Form
Dorsal Pathway
Ventral Pathway
Greater spatial resolution
Greater spatial summation
(a) of the retinal information go to the LGN and (b) go to the other subcoritcal areas.
Where is the LGN located?
Thalamus
Midbrain
Pons
Within the eye
How many classes of Horizontal Cells are there?
1
2
4
5
Where are H1 cells primarily receiving input from? (Select 2)
M cones
S cones
L cones
Rods
About how many photoreceptors are in the retina?
10 million
126 million
2 million
113 million
True or False. Bipolar cells generate action potentials.
True
False
What connects the cerebrum to the spinal cord and cerebellum?
(a)
What part of our brain is responsible for balance, coordination, and posture?
Cerebrum
Amygdala
Cerebellum
Thalamus
Which is NOT a function of the Hypothalamus?
Feeding
Sleeping
Temperature Regulation
Memory
Emotional Behavior
Which 2 cells produce myelin to insulate nerve cell axons? (Select 2)
Oligodendrocytes
Astrocytes
Satellite Cells
Schwann Cells
What glial cells are the most abundant in the central nervous system?
Satellite Cells
Purkinje Cells
Schwann Cells
Astrocytes
Select the correct definitions for Presynaptic cells and Postsynaptic cells. (Select 2)
Presynaptic: nerve cell transmitting a signal
Presynaptic: nerve cell receiving a signal
Postsynaptic: nerve cell receiving the signal
Postsynaptic: nerve cell transmitting the signal
What are the two main ions responsible for maintaining cell membrane potential?
Sodium
Potassium
Chloride
Carbon
What ion is highest inside the cell?
(a)
Every 1 cycle of the Sodium Potassium pump let's out how many Na ions?
2
3
4
concentration specific
Every 1 cycle of the Sodium Potassium pump let's in how many K ions?
2
3
4
concentration specific
What ion is highest outside the cell?
(a)
Where does binocular vision take place?
Optic Chiasm
V1
LGN
Optic Nerve
Where does the information from each eye (monocularly) combine?
Optic Nerve
LGN
Optic Chiasm
Retina
Resting Membrane Potential is
(a)
The propagation of action potentials are .....
Unidirectional
Bidirectional
Spiral
Conjugate
What does Multiple Sclerosis lead to?
Swelling of the brainstem
Demyelination of the nerves
Faster action potential propagation
Concussion
Which type of syanpse classification is most common?
Axoaxonic
Axosomatic
Axodendritic
Dendrodendritic
What type of communication uses gap junctions?
Electrical Synapse
Chemical Synapse
Neurotransmitter Synthesis
Hodgkin-Huxley model
About how much neural mass of V1 is devoted to represent the fovea within the retinotopic map?
About half
About three quarters
About one third
All of it
Which of these terms does not mean the same thing?
V1
Striate Cortex
Brodmann's Area 17
Primary Visual Cortex
Brodmann's Area 16
What does Layer 2 & 3 consist of in V1? (Select 2)
Blobs
Ocular Dominance Columns
Interblob
Orientation Columns
What layer of V1 receives magnocellular information?
4B
4A
4C Alpha
4C Beta
Simple Cells are made up of what type of excitatory and inhibitory pattern?
ON or OFF center
Excitatory and Inhibitory Narrow Flanks
ON center, OFF surround
Excitatory surround, Inhibitory center
True or False. Complex cells are binocular.
True
False
What is the function of blobs?
Orientation selective
Color opponent
Movement pattern
Facial recognition
(a) are found in Layer 4 of V1 and (b) are found everywhere except Layer 4.
What layers of V1 receive monocular information? (Select 2)
4C Alpha
4A
Layer 2 & 3
4C Beta
Layer 1
Left Optic Tract correlates to what Visual Field?
Left
Right
Superior
Inferior
Left Optic Tract corresponds with what Temporal Retinal Fibers?
Left
Right
Superior
Inferior
Inferior Retina corresponds to what Visual Field?
Inferior
Superior
Temporal
Nasal
Which two pathways have color opponency? (Select 2)
Magnocellular
Parvocellular
Koniocellular
Midgetcellular
Red opponent
Green opponent
Blue opponent
Yellow opponent
Reorder the following for Ventral Pathway
Parvo cells
V1
V2
V4
IT
Reorder the following for Dorsal Pathway
Magno cells
V1
V2
MT
PPC
What is the main function of the Superior Collilculus?
Smooth pursuit eye movements
Saccadic eye movements
Accommodation
Retinal Disparity
Reorder the following based on Afferent Limb of Pupillary Reflex Pathway
Optic Nerve
Optic Chiasm
Optic Tract
LGN
Pretectal Nucleus
Reorder the following based on Efferent Limb of Pupillary Reflex Pathway
Edinger Westphal Nucleus
Oculomotor Nerve
Ciliary Ganglion
Short Ciliary Nerves
Pupil Constriction
What is the function of the Suprachiasmatic Nucleus?
Circadian Rhythm
Temperature Regulation
Immune Response
Balance
What does the MST do?
Optic Flow
Color discrimination
Contrast differentiation
The Inferotemporal Cortex is made up of (a) and (b) .
“When an axon of cell A is near enough to excite a cell B and repeatedly or persistently takes part in firing it, some growth process or metabolic change takes place in one or both cells such that A's efficiency, as one of the cells firing B, is increased”. This is known as what?
Hebb's Rule
Hodgkin-Huxley Model
Prentice Rule
Nernst Law
Prosopagnosia is the inability to recognize what?
Multiple objects at once
Faces
Real Objects
Drawn Objects
What deficiency is shown in picture? And where is the lesion? (Select 2)
Visual Neglect
Temporal Lobe
Synesthesia
Parietal Lobe
