Chapter 3 FRQ

Question 1

EEG

Answer 1

amplified recording of the waves of electrical activity that sweep across the brain’s surface.

measured by electrodes placed on the scalp

Question 2

CT Scan

Answer 2

series of x’ray photos taken from diff. angles and combined by computer into a composite rep. of a slice through the body;.

Question 3

PET scan

Answer 3

visual display of brain activity that detects where a radioactive form of glucose goes while the brain performs a given task

Question 4

MRI

Answer 4

uses magnetic fields and radio waves to produce computer-generated images that distinguish among diff. types of soft tissue

allows to see structures within the brain

Question 5

fMRI

Answer 5

reveals blood flow, and therefore, brain activity by comparing successive MRI scans

analyzes brain structure

Question 6

effect on Broca’s Area

Answer 6

have trouble forming & understanding coherent sentences, word order, understanding directions

Question 7

effect on Angular Gyrus

Answer 7

difficulty writing, doing math, understanding left & right

Question 8

effect on brainstem

Answer 8

difficulty speaking & swallowing

Question 9

effect on occipital lobe

Answer 9

failing vision