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Fig. 6 | Attention, Perception, & Psychophysics

Fig. 6

From: Feature integration theory in non-humans: Spotlight on the archerfish

Fig. 6

The experimental setup and visual-search tasks. (A) The fish were trained to shoot at an artificial target presented on an LCD screen. The screen was placed on top of a transparent tempered glass plate 32 cm above the water level. Experiments were recorded using an HD video camera and stored offline for further analysis. (B–E) Group 1 Feature-search experiments: In these experiments, we examined four features that turned out to be facilitators of efficient visual search: Color, Size, Orientation, and Motion. (F–G) Group 2 Shape experiments: (F) The target was a solid disk and the distractors were Pac-Men. (G) The target was a solid "Q" and the distractors were solid "Os". (H–I) Group 3 Conjunction of size and color experiments: The target was characterized by size and color, either large-and-blue or small-and-blue

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