HD-tDCS combined with mental rotation training shows no significant group effect or Group × Time interaction on accuracy, response time, or P300 GFP¶

Claim · All claims
Evidence · 1 study · causal r2 · q3
Currency · newest study 2025 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i? In a randomized active vs. sham HD-tDCS experiment, neither a Group main effect nor a Group × Time interaction was found for accuracy, response time, or P300 GFP in either MR task. → Linlin Dong 2025

Evidence¶

Linlin Dong 2025¶

Linlin Dong, Yufeng Ke, Xiaodong Zhu, Shuang Liu & Dong Ming. (2025). Long-term cognitive and neurophysiological effects of mental rotation training. npj Science of Learning 10:16. https://doi.org/10.1038/s41539-025-00309-2

q3 · i? · causal · r2

Randomized single-blind experiment with 34 college students assigned to Active or Sham HD-tDCS during 10-day training. Bootstrap-based two-way mixed-design ANOVAs on accuracy and response time showed "neither G r o u p( A c t i v ea n dS h a m )m a i ne f f e c tnor Group × Time interaction effect in both tasks." The same null pattern was found for P300 GFP.

"For ACC and RT, bootstrap- based two-way mixed-design (MD) ANOVAs showed signi ficant main effects of Time (pre-test, post1-test, post2-test, and post3-test), but neither G r o u p( A c t i v ea n dS h a m )m a i ne f f e c tnor Group × Time interaction effect in both tasks"

Discussion¶

Learner Variables¶

• Spatial Ability — outcome: instruction changes it

Related Claims¶

• Gender and baseline performance show no significant main effects or interactions with time on long-term training aftereffects, though descriptively the sustainability of effects was higher in the male group — related
• Anodal HD-tDCS over left dlPFC during multi-session working memory training yields larger d-prime improvements than sham that persist three weeks — related
• Active tDCS induced lasting P300 GFP increases that emerged three weeks after training in the active group only — related
• HD-tDCS facilitated and enhanced training-induced increases in frontal task-related theta, alpha, beta, and gamma power — related
• Mental rotation training significantly increases P300 GFP, which peaks at 20 days post-training and remains elevated at 90 days — related
• Ten-day mental rotation training improves accuracy and response time, with behavioral benefits maintained up to 90 days post-training — related
• Reaction times decreased with working memory training but were not additionally affected by tDCS — related