Eli is a researcher studying brain functioning. He takes a rat and destroys a portion of the rat's brain. Later, he examines the rat's behavior to see which functions are now impaired. Which method is Eli using to study the brain? a. Lesioningb. MRIc. Stainingd. Single unit recording

Answer: A) Lesioning

Explanation: The study by injury involves the development of activities aimed at analyzing the behavior of experimental subjects, against intentionally caused injuries, all in order to determine the set of processes and systems that are directly or indirectly affected by inflicting theses injuries and, based on this results, many medicine advanced have been born.