Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 20

There are several techniques for studying the living brain. One method for identifying structures in the brain involves measuring nonharmful radio frequencies as they pass through the brain; this is called an (a) _____ scan. Another method that is used to study functions of the brain involves measuring the amounts of low-level radioactive substances absorbed by brain cells; this is called a (b) _____ scan. A method that involves placing electrodes on the scalp and measuring changes in brain wave activity is called an (c) _____.