left-click-drag : rotate surface middle-click-drag : shift surface right-click : node selection right-click-drag : draw ctrl + left-drag : pry hemispheres apart (walnut brain) (use ctrl + double-left-click to undo) shift + left-drag : pry hemispheres apart (walnut brain) shift + middle-drag : zoom (see also 'z') ctrl-h : help (open searchable help window) ctrl-s : open surface/object controller ctrl-n : open additional viewer g : open time series graph window arrow keys : small rotations : reset zoom and translation parameters t : (toggle) talk to afni z/Z : zoom m : (toggle) motion r : record one image (also applies to colorbar) R : (toggle) continuous recording ctrl-r : record on image directly to disk ./, : (select) surface state : (toggle) between current and mapping reference state p : (select) points/lines/triangles [] : (toggle) show hemispheres D : toggle "dot product", e.g. for running InstaCorr