# ICA’s bug: How ghost ICs emerge from effective rank deficiency caused by EEG electrode interpolation and incorrect re-referencing

> Research article (Frontiers in Signal Processing, 2023) · cited 67× · AI/ML

**Wikidata**: [openalex:W4362586050](https://www.wikidata.org/wiki/openalex:W4362586050)  
**Source**: https://4ort.xyz/entity/icas-bug-how-ghost-ics-emerge-from-effective-rank-deficiency-caused-by-eeg-electrode-interpolation-and-incorrect-re-refe