Provided are methods and system for assessing a human subject's neurological and/or psychological status. The methods entail displaying visual tests to a human subject, wherein each of the visual tests includes a visual target signal, optionally with visual cue signals, for eliciting visual and, optionally, body part, movements by the subject. Following the display, the movements are then detected. The latency and/or correctness of such movements can then be used to assess the subject's neurological and/or psychological status. Also provided are methods and systems for assessing performance validity.