Imaris 7.1 from Bitplane brings significant enhancements to pivotal key features within the software. New capabilities include filament tracing with 4D spine and dendrite tracking, a track editor and statistical annotations for 4D objects. The software will provide users with even more advancements, making it the clear software choice for 3D and 4D visualisation and analysis. Imaris 7.1 is the first commercial software package that can track both spines and dendrites over time. It also allows users to edit tracks of spots, surfaces, cells and filament objects.