A time during which certain events must take place for normal development to occur is called a

Which of the following uses X-rays to detect various abnormalities of the brain including injury sites, tumors, and evidence of recent strokes?

a) intracranial EEG b) magnetic resonance imaging c) computerized axial tomography d) electroencephalogram

Glynnis has attention-deficit hyperactivity disorder. She has been given a medication that helps her to remain focused and calm her body. How does this drug work?

a. The drug depresses activity Glynnis’s brain so that she can focus. b. The drug provides the brain with the stimulation it seeks. c. The drug stimulates only those areas of the brain responsible for focus. d. The drug depresses the brainstem of Glynnis’s brain, which improves concentration.