Visual Imagery-Based Brain-Computer Interaction Paradigms and Neural Encoding and Decoding

Lei Zhao

doi:10.1109/THMS.2025.3548943

Visual Imagery-Based Brain-Computer Interaction Paradigms and Neural Encoding and Decoding

2025-04-01

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DOI：10.1109/THMS.2025.3548943

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Imagination is a significant mental activity of human beings that can serve as a brain-computer interaction (BCI) paradigm, and visual imagery (VI) has become a relatively new BCI paradigm. VI is the ability to form visual representations in short-term memory without retinal input, offering users advantages like safety and rich content. It is anticipated to address the limitations of traditional BCI paradigms. However, further research is needed in the neural mechanisms, paradigm design, neural encoding, and decoding of VI-based BCI. Despite the existence of experimental studies on VI-BCI, there is a shortage of comprehensive reviews. This article provides a review of the neural mechanisms of VI, and explores paradigm designs for VI-BCI. Additionally, it covers neural encoding and decoding methods. Finally, the existing issues and suggested future research directions for VI-BCI are identified. The aim is to inspire further research in the field of VI-BCI.

Keyword:

Visualization

Decoding

Encoding

Timing

Parietal lobe

Image coding

Electroencephalography

Brain-computer interfaces

Symbols

Reviews

Brain-computer interaction (BCI) paradigms

neural decoding

neural encoding

neurofeedback

visual imagery (VI)

Visual Imagery-Based Brain-Computer Interaction Paradigms and Neural Encoding and Decoding

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