Deck 2: The Brain

Question 1

The hollow chambers of the brain are known as _____ and are filled with _____.

Answer 1

Ventricles; cerebrospinal fluid

Question 2

What is a local field potential? Name two ways in which it can be measured.

Answer 2

not answered

Question 3

The bumps in the brain are known as _____ and the grooves _____.

Answer 3

Gyri; sulci

Question 4

A neuron that is in which state is less likely to fire an action potential?

A)Depolarized
B)Hyperpolarized

Question 5

What are the five lobes of the cerebrum?

Question 6

What are the four parts of the central nervous system?

Question 7

The signal measured by functional magnetic resonance imaging (fMRI) is most closely related to _____ and the signal measured by diffusion tensor imaging (DTI) is most closely related to _____.

A)Blood oxygenation; diffusion of water molecules
B)Diffusion of water molecules; blood oxygenation

Question 8

Reuptake of neurotransmitters would occur on which side of the synaptic cleft?

Question 9

What makes grey matter grey and white matter white?

Question 10

_____ is the primary excitatory neurotransmitter in the brain and _____ the primary inhibitory neurotransmitter

Question 11

What is myelin? Why is it important to neuronal communication?

Question 12

Describe how phase synchrony impacts the effectiveness of neuronal communication.

Question 13

Describe the sequence of events that lead up to and follow a neuron firing an action potential.

Question 14

Which part of the neuron is responsible for sending signals to other neurons? Which part for receiving signals?

Question 15

What is the name of the major white-matter bundle that connects the two cerebral hemispheres?

Question 16

Presynaptic terminals are located at axons but not dendrites.

Question 17

What disease is associated with demyelination?

Question 18

fMRI signal can be interpreted as a measure of _____ and DTI signal can be interpreted as a measure of _____.

A)Fiber tracts; synaptic activity
B)Synaptic activity; fiber tracts

Question 19

Binding of GABA with postsynaptic receptors would make the postsynaptic neuron more likely to depolarize.