STUDYING COGNITIVE

Question 1

density of brain structures determined with x rays

Answer 1

cat

Question 2

anyone can get this test

Answer 2

cat

Question 3

lifetime number should be limited

Answer 3

cat

Question 4

studies brain anatomy

Answer 4

MRI

Question 5

uses really strong magnetic fields but is safe

Answer 5

MRI

Question 6

safer than CT scan

Answer 6

MRI

Question 7

not all individuals can receive this test

Answer 7

MRI

Question 8

aligns all of their protons

Answer 8

MRI

Question 9

studies brain functioning

Answer 9

fMRI

Question 10

detects changes in the blood flow to particular areas of the brain

Answer 10

fMRI

Question 11

increased brain activity should be related to increased blood flow that should be related to increased signals

Answer 11

fMRI

Question 12

using blood flow as a read out, assuming it is an accurate reading of what the brain is doing

Answer 12

fMRI

Question 13

good spatial resolution

Answer 13

fMRI

Question 14

non invasive

Answer 14

fMRI

Question 15

poor temporal resolution

Answer 15

fMRI

Question 16

radioactive substances are injected into the individuals brain, as it becomes stable, light is produced and measured

Answer 16

PET

Question 17

measures light emission

Answer 17

PET

Question 18

detects amount that a substance is being used by different brain regions

Answer 18

PET

Question 19

use it when we want to know about a particular neurotransmitter

Answer 19

PET

Question 20

recording the activity from a single cell

Answer 20

single cell recording

Question 21

looking at electrical activity within the brain

Answer 21

single cell recording

Question 22

an electrode is placed on/in the cell that you’re interested in, and its electrical activity will be recorded

Answer 22

single cell recording

Question 23

usually done in animals, or pre surgery

Answer 23

single cell recording

Question 24

directly measuring activity by directly collecting information about electrical information in the brain from thousands of neurons at the time

Answer 24

EEG

Question 25

electrodes are placed on scalp and record brain activity

Answer 25

EEG

Question 26

recordings represent activity of many neurons

Answer 26

EEG

Question 27

useful for overall states of activity: sleep patterns, excess activity

Answer 27

EEG

Question 28

looking at electrical activity from outside of the head

Answer 28

ERP

Question 29

looking at the read outs just after a particular event has occurred

Answer 29

ERP

Question 30

recording magnetic potentials

Answer 30

MEG

Question 31

activity within the brain creates magnetic potentials that can be recorded

Answer 31

MEG

Question 32

localizing source of epileptic activity

Answer 32

MEG

Question 33

locating areas to avoid during surgery

Answer 33

MEG