The Brain

Question 1

EEG Electroencephalogram

Answer 1

amplified recording of waves of electrical activity
waves are measured by electrodes
sleep disorders and seizures
does not produce image

Question 2

CT Scan Computed Tomography

Answer 2

X-Rays taken from different angles
shows structure which reveals brain damage

Question 3

PET Scan Positron Emission Tomography

Answer 3

radioactive glucose is injected into blood stream
shows brain region activity
locate generalized areas of brain activity

Question 4

MRI Magnetic Resonance Imaging

Answer 4

Uses the detection of radio frequency signals produced by displaced radio waves in a magnetic field
anatomical picture
doesn’t show activity

Question 5

fMRI

Answer 5

Used for measuring brain activity at a higher resolution than PET Scan
reveals blood flow activity
what part of the brain is involved in certain mental

Question 6

Brain Stem

Answer 6

Involved in the control of vital functions like breathing, heart rate, salivation, coughing, and sneezing.

Question 7

Medulla

Answer 7

Occurs without conscious effort
oldest part of the brain
heart rate and focusing attention

Question 8

Pons

Answer 8

Connects the cerebellum to the rest of the brain
regulates respiratory output
facial expressions
regulates sleeping, waking, and breathing