The brief period of time immediately after the initiation of an action potential when it is absolutely impossible to initiate another one in the same neuron is called the

Boys' play tends to come in bursts rather than in more extended, tranquil episodes, due in part to __________

a) lack of social competence skills b) their concern over dominance hierarchy, known as restrictive play c) lack of dominance hierarchy, leading to equal status of different members d) lack of social problem-solving skills

Whenever you have a tooth filled, you either pinch yourself or dig a fingernail into your knuckle while the dentist is working. In order to control pain, you are using

a. sensory conflict. b. counterirritation. c. systematic desensitization. d. sensory adaptation.