Visualization7_vglut_gcamp6s_3D_view5xspeed.mp4 kozorovitskiyYevgenia 2018 Visualization 7. The 4D visualization showing 3D volume rendering of same 30 second recording of data shown in Video 9. The video plays at 5x speed. The rotation of view is introduced via post-processing of 3D data for enhanced visualization of features.