Interrogating the Nervous System

Question 1

What does an injury to the insular cortex cause?

Answer 1

loss of the urge to smoke

Question 2

Name 3 electrophysiologic ways to measure brain function.

Answer 2

EEG
ERP
MEG

Question 3

Name 3 metabolic/hemodynamic ways to measure brain activity.

Answer 3

PET
fMRI
SPECT

Question 4

What is EMG?

Answer 4

electromyography; place needle or surface electrodes in skeletal muscle and record the membrane properties of muscle fibers

Question 5

What is a nerve conduction study?

Answer 5

transcutaneous stimulation of a peripheral nerve performed at one site is recorded at another site (ie nerve conduction velocity)

Question 6

This is the transcutaneous stimulation of a peripheral nerve performed at one site is recorded at another site (ie nerve conduction velocity).

Answer 6

a nerve conduction study

Question 7

This is electromyography; place needle or surface electrodes in skeletal muscle and record the membrane properties of muscle fibers.

Answer 7

EMG

Question 8

____ form a coupling btw neuronal synapses and brain capillaries.

Answer 8

Astrocytes

Question 9

The position of an astrocyte allows it to sense the amount of ____ being released.

Answer 9

glutamate

Question 10

What is SPECT?

Answer 10

single photon emission computed tomography

Question 11

What is fMRI?

Answer 11

functional MRI; imaging of a signal change that occurs bc of regional changes in deoxyhemoglobin concentration associated with synaptic activity

Question 12

This is imaging of a signal change that occurs bc of regional changes in deoxyhemoglobin concentration associated with synaptic activity.

Answer 12

fMRI