Testability is very closely associated with the idea of:

Severe head injury resulting in unconsciousness often causes a person to experience __________, the inability to recall events that happened right before the injury.

A. amnestic dementia B. anterograde amnesia C. retrograde amnesia D. psychogenic amnesia

The specific but limited time, usually early in an organism's life, during which the organism is particularly susceptible to environmental influences relating to some particular facet of development, is known as the

a. critical period. b. sensory period. c. neural period. d. sensitive period.