Our multinational effort (#EEGManyLabs) to evaluate the replicability of the EEG marker for working memory capacity is preregistered Stage 1, accepted and running now.
Putting a test on our own to further validate efficacy of neural marker for brain-computer-interface.
c.f., Vogel, E. K. & Machizawa, M. G. Neural activity predicts individual differences in visual working memory capacity. Nature 428, 748–751 (2004).
Strzelczyk, D., et al. (2023). Contralateral delay activity as a marker of visual working memory capacity: a multi-site registered replication. Cortex.
https://osf.io/preprints/psyarxiv/shdea