SCIT (Subtle Cognitive Impairment Test) an online cognition test, can be used by any anyone older than four years. This brief, computer-based test of brain health and function is suitable for clinical and personal use. SCIT is the culmination of 15 years of testing and refinement by psychologist Dr Gregory Yelland and neuroscientist Prof. Stephen Robinson. Scientific papers about SCIT have been published in top-ranked international journals after undergoing the rigorous scrutiny of peer-review.