Abstract
Mental rotation is an important psychological process for identifying rotated or misoriented objects. In this study, ERPs were recorded while 18 participants responded to two types of two-dimensional (2D) pictures. The participants matched the pictures of a blank Task without using mental rotation, but used mental rotation to match the pictures of Task A. The ERPs data were analyzed using spatial complexity analysis. The results showed: a) the rotation-related negativity of the ERPs data was shown when mental rotation was performed; b) the EEG data showed a significantly greater synchronization in the fast frequency bands (> 20 Hz) when the participants used their mental rotation ability.
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