Figure 1From: Different strategies do not moderate primary motor cortex involvement in mental rotation: a TMS studyExamples of objects pairs from the five object categories used as stimuli in the experiment. (A) 3-D Shepard & Metzler figures (B) houses (C) tools (D) hands (E) 2-D figures. Pairs of objects shown on the left can be brought in correspondence by mental rotation ("same"). Pairs of objects on the right do not lead to a positive matching response ("mirror").Back to article page