# Advancements in neural mapping and imaging technology > Live situation record from CLSTR: https://clstr.news/situations/advancements-in-neural-mapping-and-imaging-technology > Updated: 2026-08-14T14:56:29.000Z. Sources: 4. Developments: 2. Recent advancements in neuroscience have focused on improving the precision and speed of mapping and observing neuronal activity. Initial developments included the reconstruction of a complete connectome for a Platynereis dumerilii larva, identifying over 9,000 cells and 202 distinct neuron types. Concurrently, researchers at the University of Colorado developed the Opto2P-FCM, a miniature microscope designed to observe and control individual brain cells in real-time during natural movement. Building on these imaging capabilities, researchers at MIT developed a high-speed microscopy technique to record electrical activity across the entire brain of zebrafish. By utilizing modified light-sheet microscopy and remote focal scrambling, this method allows for millisecond-scale tracking of electrical potential. This approach provides a more direct observation of neural processes than traditional calcium imaging, which is limited by slower intracellular calcium flows. ## Timeline ### 2026-08-14: MIT researchers develop high-speed microscope to track brain activity MIT researchers have developed a high-speed microscopy technique to track electrical neural activity in zebrafish at millisecond resolution, surpassing the speed of traditional calcium imaging. 2 sources. https://clstr.news/cluster/mit-researchers-develop-high-speed-microscope-to-track-brain-activity ### 2026-08-11: Neuroscience advances in cellular mapping and real-time brain imaging Neuroscientists have reconstructed the complete cellular connectome of a marine larva and developed a miniature microscope to observe real-time neuronal activity in moving animals. 2 sources. https://clstr.news/cluster/neuroscience-advances-in-cellular-mapping-and-real-time-brain-imaging --- Cite as: Advancements in neural mapping and imaging technology. CLSTR, https://clstr.news/situations/advancements-in-neural-mapping-and-imaging-technology