Behavioral training and saccadic adaptation in marmosets.
Palin, Tara Nicole
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The common marmoset (Callithrix jacchus) is a promising non-human primate model for neuroscientific research. Like other primates, they are able to foveate and use saccadic eye movements to explore their environments. Previous studies have demonstrated their ability to produce goal-directed saccades under head-fixed conditions, however the number of trials completed per session have been insufficient for behavioral or neurophysiological investigation. In this paper, we report on the long-term feasibility of our behavioral training protocols and carefully calibrated food-regulated diet, which has resulted in trained marmosets that are capable of performing ~1,000 trials on a daily basis while maintaining their health. Additionally, we present previously unreported evidence of saccadic adaptation and savings in two marmosets that take part in three different saccade tasks: gain down, gain down savings and a control task.