A memory extractor
A memory extractor was an Terran memory technology. (DIS: "Light and Shadows", "If Memory Serves")
In 2257, Captain Leland of Section 31 ordered that a memory extractor be used on Spock, claiming to Michael Burnham that it would scan and repair Spock's neural impulses without risk to him. However, Philippa Georgiou warned Burnham that it would destroy Spock's brain, leading her to escape NCIA-93 with Spock before the procedure. (DIS: "Light and Shadows", "If Memory Serves")