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. Author manuscript; available in PMC: 2017 Jan 30.
Published in final edited form as: J Neurosci Methods. 2015 Oct 17;258:16–23. doi: 10.1016/j.jneumeth.2015.10.004

Table 1.

Derived Behavioral Measures. This validation experiment used these five transformations of the raw data returned by the apparatus, though many others are possible.

Derived Measure Description
Success Rate Number of successful trials divided by number of total trials analyzed
Highest Force in Trial Highest force measurement within each trial, averaged over trials
Latency to Pull Time between the first moment that the IR beam was broken until the moment that the
force reading exceeded the initiation threshold, averaged over trials
Latency to Success Time between the first moment that the IR beam was broken until the moment that the
force reading first exceeded 20 g, averaged over trials
Attempts Before
Success 		Number of local force peaks above initiation threshold within a trial before the force
reading first exceeded 20 g. These “attempts” are caused by grasp-and-pull motions that
fall below force requirements.