A pilot study on visual discrimination by rats for the animal crowdsourcing

[Speaker] Sekiguchi, Katsuo:1
[Co-author] Kamijo, Makiko:1, Sawa, Kosuke:1, Makiguchi, Motohiro:2, Namikawa, Daichi:2
1:Senshu University (Japan), 2:NTT Service Evolution Laboratories (Japan)

The animal crowdsourcing employs non-human animals instead of human workers in the crowdsourcing that resolves tasks with cooperation between computers and humans (Makiguchi et al., 2014). The main purpose of this study is to explore the efficient training methods for non-human animals as a resource of the animal crowdsourcing. In particular, we focused on image recognition or matching by rats. Four rats were divided to two groups; one received training on discrete-trial procedure and the other received training on free-operant procedure. We trained the two groups of rats to press one of two levers where geometrical discriminative stimulus on monitor was presented. Pilot data implicates that a progress of training performance depends on manipulations of the number of trials in each session, the length of intertrial-intervals, the size of a discriminative stimulus, and the location of operandam. In addition, correction method had no effect in a small number of trials/session.
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