Before revision:  We conclude that any low-level bottom-up factors are restricted to the first saccade, possibly caused by the image onset. Later eye movements are better explained by including high-level features , but this high-level bottom-up control can be overruled by top-down influences.
After revision:  We conclude that any low-level bottom-up factors are mainly limited to the generation of the first saccade. All saccades are better explained by including high-level features , but this high-level bottom-up control can be overruled by top-down influences.