Table 2.
Examples of typical tasks entering the vPT meta-analysis by Schurz et al. [10].
| Author | Img. | Experimental task | Control task |
|---|---|---|---|
| Level 1 visual perspective taking | |||
| Vogeley [47] | fMRI n = 11 | You see a scene including an avatar and a number of objects. Indicate how many objects the avatar can see. | You see a scene including an avatar and a number of objects. Indicate how many objects you see. |
|
| |||
| Level 2 visual perspective taking | |||
| Aichhorn [9] | fMRI n = 18 | You see a scene including an avatar and two objects. Indicate their relative spatial arrangement, for example, “block is in front of the pole” from the viewpoint of an avatar. | You see a scene including an avatar and two objects. Indicate their relative spatial arrangement, for example, “block is in front of the pole” from your own viewpoint. |
|
| |||
| Level 2 imagined viewer rotation | |||
| Zacks [48] | fMRI n = 16 | You see an array of four objects. Imagine viewing the array from a different angle (i.e., imagine a self-rotation around the array). Indicate if a particular object is now on the left or right side of the array. | You see an array of four objects. Imagine that the array rotates along its vertical axis, while your own position remains the same. Indicate if a particular object is now on the left or right side of the array. |