Abstract
Here, we used both the neuromagnetic (MEG) and the hemodynamic (fMRI) measurements to visualize the spatiotemporal brain dynamics during 3-D object perception from 2-D retinal motion. The coherence of the random-dot motion stimuli was parametrically controlled to create different levels of 3D perception and to study the associated changes in brain activity. Current results suggest that the perception of a 3D object from 2D movement includes integration of global motion and 3D mental image processing as well as object recognition that are accomplished by the cooperative engagement of the ventral and the dorsal visual information processing streams.
