What has NOT been identified as a possible explanation for marijuana's effect on short-term memory?

Question

Quizplus · Accepted Answer

While drug action interfering with neurochemical processes, decreased ability to concentrate, and lack of motivation to attend to material have all been proposed as possible explanations for marijuana's effect on short-term memory, there is currently no evidence to suggest that it destroys neural connections in the hippocampus.

What Has NOT Been Identified as a Possible Explanation for Marijuana's