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Fig. 1 | Attention, Perception, & Psychophysics

Fig. 1

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

Fig. 1

Parallel and serial search slopes. (A) When a target is defined by a unique color/luminance (the gray fish), it pops out, making the search highly efficient. (B) A cartoon summary of parallel and serial search slopes. In parallel search (blue line), the reaction time does not change as a function of the set size and therefore the slope is zero. In contrast, in serial search (red line), the reaction time increases as a function of the set size and therefore the slope is positive. (C) A conjunction of color/luminance and direction makes the target difficult to find and forces the observer to scan each item separately until it detects the target (the target is the gray fish that is swimming to the right)

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