University of California
San Diego (UCSD)
COGS 107A Neuroanatomy and Physiology
COGS 107A Midterm and Final Exam
Course Title and Number: COGS 107A Neuroanatomy and
Physiology Exam
Exam Title: COGS 107A Midterm and Final Exam Exam
Exam Date: Exam 2024- 2025
Instructor: [Insert Instructor’s Name]
Student Name: [Insert Student’s Name]
Student ID: [Insert Student ID]
Examination
180 minutes
Instructions:
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2. Answer all questions.
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COGS 107A Neuroanatomy and
Physiology 2024-2025
COGS 107A Midterm 3 Exam Practice Test Questions
with Correct Answers | 100% Pass Guaranteed | Graded
A+ |
Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -
learning-dependent stimulus selectivity in the
inferotemporal(IT) cortex - Answer>> IT cortex is a
higher order visual cortex that contributes to visual
perception. Monkeys and humans with disrupted
processing in IT cortex exhibit an inability to recognize
familiar faces(prospagnosia). Neurons in IT cortex
exhibit a selectivity in firing rate to some (but not all)
familiar faces.
Initially, the neuron exhibits equal firing rates in
response to the presentation of different faces. After
several presentations, the neuron exhibits different
firing rates in response to the presentation of different
faces
distributed memory - Answer>> concept that
memories are encoded by widespread synaptic
modifications of many neurons, not a single synapse or
cell
trisynaptic circuit: - Answer>> hippocampus
1) entorhinal cortex projects to dentate gyrus
2) dentate gyrus projects to CA3
3) CA3 projects to CA1
long-term potentiation (LTP): - Answer>> long-lasting
enhancement of the effectiveness of synaptic
transmission that follows certain types of conditioning
stimulation
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tetanic stimulation - Answer>>
repetitive electrical stimulation (e.g. brief bursts of 100
pulses/s (LTP) or 1-5 pulses/s (LDP) )
Tetanic stimulation of presynaptic neurons causes a
structural modification at their synapses, resulting in
larger or smaller EPSPs.
can result in changes in EPSP magnitude that persist a
year later (or longer).
input specificity: - Answer>> a property of synapse
plasticity that ensures that modifications induced by
stimulation of one input onto a neuron do not spread to
other unstimulated inputs on the same neuron
Requirement for long-term potentiation - Answer>>
presynaptic neurons must be active at the same time
that the postsynaptic neuron is strongly depolarized.
Strong depolarization allows the opening of many
NMDA receptors, and large amounts of Ca2+ to enter.
Weak depolarization results in blockage by Mg2+,
preventing all but a trickle of Ca2+ from entering
Blocking NMDA receptors or preventing calcium influx
disrupts LTP.
AMPA receptors: - Answer>> glutamate receptors that
allow the passage of Na+ and K+ ions
NMDA receptors: - Answer>> voltage-gated
glutamate receptors that allow the passage of Ca2+,
Na+, and K+
Changes instigated by kinases (LTP) - Answer>> The
influx in calcium leads to the activated kinases which
can make changes:
1) the phosphorylation of AMPA receptors, leading to a
change in ionic conductance that renders them more
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