“…Controlled visual stimuli can be either static or dynamic. Tasks that are based on static stimuli include text-based tasks [13,14,48,56,124,133,147], such as reading a passage excerpt, and static image-based tasks [14,21,25,56,104,105,115,119,132,133,150], such as the exploration of a photograph. The complexity of the images affects the accuracy of the scheme [150,170].…”