Twin & adoption studies and brain scans

Question 1

What are the three different brain scans

Answer 1

PET Scan, CAT Scans and fMRI scans

Question 2

Wha is a CAT scan and evaluate it

Answer 2

Detailed pictures built up from x-ray slices

POSITIVES - Reveals brain structure

NEGATIVES - High radiation and no information about brain function

Question 3

What is PET scan and evaluate

Answer 3

A special dye with traces is injected into person.The substances then show brain activity the brighter the more activity

POSITIVES - Shows brain action/can show tumors and Can show specific areas of the brain that are linked to behaviour