The amount of a synaptic vesicle membrane protein VAT-1 homolog (human) when measured in cerebrospinal fluid. The trait is level of synaptic vesicle membrane protein VAT-1 homolog (human) in cerebrospinal fluid (OBA_2080589, an Ontology of Biological Attributes entry). Also known as: cerebrospinal fluid synaptic vesicle membrane protein VAT-1 homolog (human) amount.