Painting with the Eye: Understanding The Visual Field of the Human Eye with SSVEP
Autor: | Yi Summer Tao, Kai Wen Zheng, Steve Mann, Yi Liu, Danson Evan Garcia |
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Rok vydání: | 2020 |
Předmět: |
genetic structures
medicine.diagnostic_test business.industry Computer science 0206 medical engineering 05 social sciences 02 engineering and technology Electroencephalography Stimulus (physiology) 020601 biomedical engineering 050105 experimental psychology Visual field Stimulus (psychology) medicine.anatomical_structure Peripheral vision medicine Central vision 0501 psychology and cognitive sciences Human eye Computer vision Artificial intelligence business |
Zdroj: | SMC |
DOI: | 10.1109/smc42975.2020.9283476 |
Popis: | We present an investigation into the relationship between steady-state visually-evoked potentials (SSVEPs) and the magnitude, distance, shape, and spatial location of the flashing stimulus relative to the participant. We use a wearable electroen-cephalography (EEG) device with the addition of an external occipital electrode for the experiments. SSVEP responses are extracted using the lock-in amplifier and fast Fourier transform algorithms. We then map the responses to what the human eye sees. Our experiments pinpoint the optimal range of stimulus parameters required for stable SSVEP response, identify failure states for flashing stimulus, as well as create a visual map, a vidmap, of the participant’s ability to see. The results show that locating the stimulus at the participant’s central vision elicits stronger SSVEP response compared to the peripheral vision. |
Databáze: | OpenAIRE |
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