The skull bones and other tissues separating the brain from ...

[krzymel]

The skull bones and other tissues separating the brain from electrodes can create a problem by blocking
 
  a. the brain's electrical output more than its magnetic output.
  b. the brain's magnetic output more than its electrical output.
 c. the brain's magnetic and electrical output equally.
 d. neither the brain's electrical nor its magnetic output.

Question 2

Magnetoencephalography (MEG) involves the
 
  a. analysis of evoked potentials.
 b. recording of electrical activity from the brain during surgery.
 c. recording of the magnetic output of the brain.
 d. recording of electrical activity from the brain through electrodes placed on the scalp.

[sultansheikh]

Answer to Question 1

a

Answer to Question 2

c

[krzymel]

Wow, this really help

[milbourne11]

Gracias!