# S2 Implant **Type:** Neural stimulation implant **Collection:** [[collections/Neurotech|Neurotech]] **Primary source:** [[articles/2026 Annual Report on Brain-Computer Interfaces|2026 Annual Report on Brain-Computer Interfaces]] ## Definition S2 is the stimulation-oriented Neuralink implant variant described for Blindsight, using larger electrodes and deeper visual-cortex reach. ## Relationships [[wiki/S2 Implant|S2 implant]] is related to [[wiki/Blindsight|Blindsight]] and [[wiki/Neuralink|Neuralink]] as the program's stimulation hardware. ## Source route [[articles/2026 Annual Report on Brain-Computer Interfaces|2026 Annual Report on Brain-Computer Interfaces]] · [[collections/Neurotech|Neurotech]]