Unfamiliar Walking Movements Are Detected Early in the Visual Stream: An fMRI Study.

@article{Maffei2015UnfamiliarWM,
  title={Unfamiliar Walking Movements Are Detected Early in the Visual Stream: An fMRI Study.},
  author={Vincenzo Maffei and Maria Assunta Giusti and Emiliano Macaluso and Francesco Lacquaniti and Paolo Viviani},
  journal={Cerebral cortex},
  year={2015},
  volume={25 8},
  pages={
          2022-34
        }
}
Two experiments investigated the network involved in the visual perception of walking. Video clips of forward and backward walk (real walk direction) were shown either as recorded, or reversed in time (rendering). In Experiment 1 (identification task), participants were asked to indicate whether or not the stimulus was time-reversed. In Experiment 2 (free-viewing), participants viewed the video clips passively. Identification accuracy was good with the more familiar scene, that is, when the… 

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