Can we learn to think further ahead? nature
To investigate which patterns in the data are explained by tree search and feature dropping, we compare the distribution of choices predicted by the main model against lesion models.. Example positions from human-vs-human games in which the model with and without tree search make highly different predictions , as quantified by Jensen-Shannon divergence. In each position, we also show the models’ preferred move and the move made by the human participant .
In the Turing test, we showed participants video segments of sequences of moves, on average 9.38 moves long.. Classification accuracy in the Turing test as a function of video length. Error bars indicate s.e.m. Participants are at chance level for classification of one-move videos , and their accuracy only substantially exceeds 50% for sequences longer than 10 moves.
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