When TMS was applied to the right posterior parietal cortex by Giglia et al., the participants' judgement of the midpoint of lines in far space:

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The study by Giglia et al. found that when TMS was applied to the right posterior parietal cortex, participants' judgment of the midpoint of lines in far space appeared shifted to the right, but this effect was only observed when participants were using a stick, suggesting a specific interaction between the neural processing of space and the use of tools in extending our spatial perception.

When TMS Was Applied to the Right Posterior Parietal Cortex