Brain Scanning Techniques

Question 1

CAT/CT Scan

Answer 1

Type of X-Ray

Brain image is brought up

Detects rumours/strikes/Alzheimer’s diasese

Question 2

MRI

Answer 2

Strong magnetic field to produce brain images.

Produces a 3-D brain image

Evaluates tumours etc

Question 3

fMRI

Answer 3

Measures brain activity by exploiting idea that more oxygen is used in active areas

Question 4

PET Scan

Answer 4

Involves consumption of radioactive transmitter

Lights up neural activity for certain areas