Which of the Following Is True of the "Internal Representations

Multiple Choice

Which of the following is true of the "internal representations" discussed in the study of animal cognition?

A) Like gravity, they are a theoretical construct.
B) They are investigated in some laboratories by "looking" into the central nervous system.
C) They are investigated in some laboratories by "looking" into the peripheral nervous system.
D) They reflect conscious reflection on a past experience.