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Flashcards in Chapter 6 Deck (27)
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1

EEG

Electroencephalography

2

The EEG was discovered by _____ in the _____s.

Hans Berger
1930

3

The EEG records _____.

electrical potentials

4

ERPs

Event-Related Potentials

5

ERPs are a brief change in a _____ signal in response to a discrete sensory stimulus.

slow-wave EEG

6

MEG

Magnetoencephalography

7

MEG records _____.

magnetic fields of neurons

8

the _____ is a MEG.

Superconducting Quantum Interference Device
(SQUID)

9

DBS

Deep Brain Stimulation

10

DBS is sued as a treatment for _____ and _____.

epilepsy
Parkinson's disease

11

DBS reduces _____ disorders.

movement

12

DBS produces changes in _____ and _____.

mood
cognition

13

TMS

Transcranial Magnetic Stimulation

14

In _____, different types of tissue absorbe the x-rays to different degrees.

conventional radiography

15

PEG

Pneumoencephalography

16

During a PEG, a small amount of _____ is removed from the _____ and replaced by _____ and then x-rayed.

CSF
subarachnoid space
air

17

An angiography uses a substance that absorbs _____ and is injected into the _____.

x-rays
bloodstream

18

CT scan

Computerized Tomography scan

19

A CT scan can't _____.

discriminate between gray and white matter

20

PET

Positron Emission Tomography

21

In a PET, _____ are injected into the _____ or inhaled.

radioactive molecules
bloodstream

22

A PET shows _____.

blood flow

23

MRI

Magnetic Resonance Imaging

24

MRS

Magnetic Resonance Spectroscopy

25

An MRS detects _____.

chemical composition of tissue

26

DTI

Diffusion Tensor Imaging

27

A DTI detects _____.

directional movements of water molecules in fiber pathways