Chapter 7

Question 1

Single Cell Recording

Answer 1

an electrode is inserted into the brain, adjacent to a neuron and the neuron’s activity is recorded

Question 2

The Neuronal Code

Answer 2

The brain uses a code to represent information

Question 3

How many neurons does well learned behavior take?

Answer 3

a few

Question 4

How many neurons does newly learned behavior take?

Answer 4

many neurons

Question 5

Electroencephalograms

Answer 5

Records electrical brain activity

Question 6

What is EEG used for?

Answer 6

to provide info about cause and location of problems

Question 7

Petit Mal epilepsy

Answer 7

Brief loss of consciousness

Question 8

Grand Mal

Answer 8

Body convulses, person falls down, he or she looses consciousness

Question 9

ERPs

Answer 9

Brain response that is the result of a specific sensory, cognitive, or motor event

Question 10

MEG

Answer 10

Neurons produce a magnetic field when an electrical field is generated

Question 11

What does MEG use to detect the brain’s magnetic fields?

Answer 11

SQUID

Question 12

TMS

Answer 12

allows brain stimulation through the skull

Question 13

PET

Answer 13

Injection of a radioactive tracer that emits a positron

Positron’s interaction with electrons are recorded

Question 14

MRI

Answer 14

used to study brain anatomy and neural function

Question 15

Ferromagnetic

Answer 15

having a high susceptibility to magnetization

Question 16

Paramagnetic

Answer 16

Weakly attracted to poles of a magnet

Question 17

Diamagnetic

Answer 17

Becomes magnetized 180 degrees to the applied magnetic field