Count related to the number of visual memory test correct hits passes, as a part of CNS Vital Signs.
Gualtieri, CT, Johnson LG (2006). Reliability and validity of a computerized neurocognitive test battery, CNS Vital Signs. Archives of Clinical Neuropsychology 21 623–643<br />Gualtieri, CT, Johnson LG (2008). CNS Vital Signs: A Computerized Test Battery Sensitive to Mild and Severe Brain Injury. Medscape J Med. 10(4): 90.