Chapter 3 FRQ Flashcards Preview

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Flashcards in Chapter 3 FRQ Deck (9):
1

EEG

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

measured by electrodes placed on the scalp

2

CT Scan

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

3

PET scan

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

4

MRI

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

5

fMRI

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

analyzes brain structure

6

effect on Broca's Area

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

7

effect on Angular Gyrus

difficulty writing, doing math, understanding left & right

8

effect on brainstem

difficulty speaking & swallowing

9

effect on occipital lobe

failing vision