total amount of experiment time spent in any open area of an elevated plus maze total amount of experiment time spent in the open arms of an elevated plus maze 2024-08-01T17:30:05Z CMO:0004014 The cumulative amount of time during an experiment that an organism or experimental subject spends specifically in either of the two arms of the maze that do not have walls to prevent the experimental subject from seeing anything outside the maze. VT:0010471 VT:0010716 amount of experiment time spent in the open arms of an EPM clinical_measurement_ontology jrsjrs time spent in the open arms of an elevated plus maze apparatus