Smw Quiz 2/5/12

Front 1

comparing methods with

Back 1

spatial, temporal, invasiveness

Front 2

lesions are performed on

Back 2

animals, humans, they are temporary

Transcranial Magnetic Stimulation

Front 3

anotomical is?

Back 3

CT scan and MRI

White matter tract imaging (DTI)

Front 4

Functional is?

Back 4

Single cell or unit recording

EEG/ERP

PET and fMRI

Front 5

TMS

Back 5

Creates a strong focal magnetic field over the scalp

creates a disturbance of activity near the probe

Front 6

pros of TMS

Back 6

reversible, repeatable and relatively non-invasive

Front 7

cons of TMS

Back 7

not clear what it is doing or exactly where the disruption is

Front 8

TMS is used for

Back 8

when people do not respond to meds and are depressed

doesn't last long

Front 9

how does CT scan get detected?

Back 9

a dye is injected into the blood

series of x rays are made from different angles

Front 10

what doesn't matter for CT scan?

Back 10

temporal resolution

Front 11

which has a better resolution? MRI or CT?

Back 11

MRI

Front 12

which is cheaper? CT or MRI?

Back 12

CT and it's done first because of that

Front 13

which is more invasive? CT or MRI

Back 13

CT

Front 14

How does MRI work?

Back 14

measures the radio-frequency waves emitted by the hydrogen atoms when they are subjected to a strong magnetic field

Front 15

which provide a more detailed view of the brain? CT or MRI?

Back 15

MRI

Front 16

Measures direction of water flow (direciton of axons)

Back 16

DTI

Front 17

is DTI invasive?

Back 17

Noninvasive

Front 18

cognitive activity leads to

Back 18

increased activity of neurons

Front 19

neurons with similar functions do what?

Back 19

they cluster together

Front 20

what is it called when neurons cluster together

Back 20

functional specialization

Front 21

neural activity generates electrical signals which are?

Back 21

measured by electrophysiological techniques (EEG)

Front 22

neural activity leads to

Back 22

oxygen consumption

Front 23

oxygen consumption leads to

Back 23

localized changes in blood flow

Front 24

localized changes in blood flow is called

Back 24

a hemodynamic response

Front 25

localized changes in blood flow are measured by?

Back 25

PET or fMRI

Front 26

where is single unit recording take place?

Back 26

it's planted inside the brain

Front 27

what is most often use of single unit recording?

Back 27

animal research

Front 28

advantages of single unit recording

Back 28

could find new findings about what programs uhmans the way we are.

the best temporal results

Front 29

disadvantages of single unit recording

Back 29

not going to know the exact spot it happens at

really really invasive

Front 30

What is measured in EEG

Back 30

Post Synaptic Potentials in groups of neurons

Front 31

How does EEG measure?

Back 31

measures the difference between the electrodes

Front 32

what type of changes can be measured with EEG?

Back 32

sleep-related things, certain neurological disorders like epilepsy

Front 33

how are the changes recorded by EEG measured?

Back 33

frequency, amplitude, specific wave-types

Front 34

Event Related Potential (ERP) uses what setup?

Back 34

EEG setup

Front 35

EEG does what?

Back 35

identifies components of EEG and equates them to specific cognitive/perceptual processes

Front 36

ERP has an excellent what type of resolution?

Back 36

Temporal

Front 37

ERP has a poor what kind of resolution?

Back 37

Spatial

Front 38

What measures regional cerebral blood flow?

Back 38

PET and fMRI

Front 39

PET works how?

Back 39

inject radioactive tracer, record positrons outside the head