Who was the first person to attempt to use reaction time as a measure of intelligence?

Since older adults metabolize drugs differently and often take multiple medications that could interact, they have a greater risk for

a. medication toxicity. b. asymptomatic presentation. c. psychotropic abuse. d. pharmacological addiction.

Which of these brain imaging techniques shows onlystructure, not brain functioning?

A) PET scan B) CAT scan C) fMRI D) EEG