The amount of a microtubule-associated protein 1 light chain 3 beta 2 (human) when measured in cerebrospinal fluid. The trait is level of microtubule-associated protein 1 light chain 3 beta 2 (human) in cerebrospinal fluid (Ontology of Biological Attributes entry OBA_2055851). Also known as: cerebrospinal fluid microtubule-associated protein 1 light chain 3 beta 2 (human) amount.