The intended use of the test is as a shorter and economical method of screening for organic brain damage. The test was routinely administered to all patients admitted to a Veterans Administration hospital. There are no positive findings to indicate value in distinguishing between psychosis and brain damage. Age and IQ factors need to be considered. Relationships between IQ, method of establishing diagnosis, and Trail Making scores need further study. (PsycINFO Database Record (c) 2006 APA, all rights reserved)