What symptoms mark Tourette's disorder?

What are three features of narcotics that distinguish them pharmacologically from other drugs with sedative-hypnotic properties, such as barbiturates and benzodiazepines?

What will be an ideal response?

Which of the following historical events precipitated one of the most intense and rapid periods of advance in the study of how motor skills are learned?

A. The Progressive Movement in education B. Commercial industrialization C. World War II D. The development of the computer