Traversal Time
Duration to cross the beam from start to goal box
Evaluate motor coordination and balance by tracking traversal on a narrow beam.
Metrics automatically extracted by ConductVision.
Duration to cross the beam from start to goal box
Number of paw placement errors during crossing
Count of complete falls from the beam
Mean velocity across the beam length
Total time spent stationary on the beam
Metrics compared across decreasing beam widths for sensitivity grading
The Beam Walking Test assesses fine motor coordination and balance by requiring rodents to traverse an elevated narrow beam to reach a goal box. The test is highly sensitive to cerebellar dysfunction, corticospinal tract damage, and pharmacological interventions affecting motor control. Graded beam widths provide a difficulty series for detecting subtle coordination deficits.
ConductVision tracks the animal along the beam using side-view pose estimation, automatically counting foot slips via paw-position analysis relative to the beam edge. The software scores traversal time, pause events, and fall frequency across multiple beam widths, generating dose-response or lesion-severity curves.
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