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flicker stimulus
flicker stimulus A flicker stimulus is a visual target that repeatedly flashes and is used to evoke steady-state visual responses for purposes such as brain-computer interface control.
A flicker stimulus is a visual target that repeatedly flashes and is used to evoke steady-state visual responses for purposes such as brain-computer interface control. In the source, it refers to a flashing visual signal that a user looks toward or keeps in peripheral view so the system can extract control information from the brain response.