Answer:
The "imagery debate" is concerned with whether imagery is based on spatial or language mechanisms.
Explanation:
Assuming this is your question:
The "imagery debate" is concerned with whether imagery
a. actually exists.
b. can be used to solve spatial problems.
c. is similar for all people.
d. is based on mechanisms related to language or spatial mechnisms.
If this was your question the correct answer is D.
(tip: include answer options/more information on your question to get better answers)
