What question did this study set out to answer?

The study aimed to explore the role of the right inferior parietal lobule (IPL) and supplementary motor area (SMA) in temporal processing using tSMS.

February 21, 2026eNeuroOpen Access

Transcranial Static Magnetic Stimulation Dissociates the Causal Roles of the Parietal Cortex in Spatial and Temporal Processing

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Experimental analysis shows tSMS influences spatial processing but not time perception in adults, suggesting unique modulation capabilities.

The study aimed to explore the role of the right inferior parietal lobule (IPL) and supplementary motor area (SMA) in temporal processing using tSMS.
Conducted experiments with 48 volunteers (26 males and 22 females)
Applied transcranial static magnetic stimulation (tSMS) to the IPL/SMA regions
Measured duration and orientation discrimination thresholds using staircase methods
No significant changes in duration discrimination thresholds in IPL or SMA conditions
Orientation discrimination thresholds improved in the IPL condition
The degree of improvement in orientation discrimination correlated with scalp-to-target distance

Sugimoto et al. (2026) studied this question.

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Experimental analysis shows tSMS influences spatial processing but not time perception in adults, suggesting unique modulation capabilities.