117. What is the twofold connection into which instinctive movement enters with consciousness?
118. Why is the movement of a billiard ball often accompanied by movements of the players or spectators?
119. What is a voluntary movement?
120. In what manner is will dependent on instinct?
121. Why do deaf children not acquire speech? Can they be taught to speak?
122. Why is the acquisition of foreign speech sounds by grown people often so slow?
123. What is the advantage to the organism of voluntary over instinctive action?
124. Can you describe the three stages of nervous development illustrating the proverb “A burnt child fears the fire”?
