A self-administered and self-scoring test kit and method for early self-screening of neurological disease, by detection of diminished olfactory function. The test kit is comprised of a plurality of pages; attached to each page (28) via adhesive is a microencapsulated strip (36) that, when scratched, releases a different, distinct odor. The test kit has instructions that provide for self-administration (33) and self-scoring (46) of the test, and identification of a threshold score (48) as a self-screening method for possible neurological disease and need to consult a physician.