# Two-Photon Calcium Imaging
**Collection:** [[collections/Neurotech|Neurotech]]
**Type:** Functional imaging method
**Primary sources:** [[articles/2026 Annual Report on Brain-Computer Interfaces|2026 Annual Report on Brain-Computer Interfaces]]; [[articles/The Organic-Synthetic Brain Atlas|The Organic-Synthetic Brain Atlas]]
## Relationships
- It is a depth-resolved optical form of [[wiki/Calcium Imaging|calcium imaging]].
- [[wiki/Baylor College of Medicine|Baylor College of Medicine]] used it to record mouse visual-cortex responses for [[wiki/MICrONS|MICrONS]].
- The functional record was later co-registered with [[wiki/Electron Microscopy|electron-microscopy]] structure.