The term 'MERMER' is related to
Brain fingerprinting
Narcoanalysis
DNA fingerprinting
Polygraph test
MERMER ('Memory and Encoding Related Multifaceted Electroencephalographic Response') is the principle used in brain fingerprinting or brain mapping. Ref - Krishan Vij textbook of forensic medicine and toxicology 5e pg : 571
Medical Jurisprudence