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. 2018 Mar 6;12:18. doi: 10.3389/fncir.2018.00018

Figure 1.

Figure 1

The archerfish and the experimental setup. (A) An archerfish hunting an insect above water level by shooting a powerful, accurate jet of water at it. (B) Overview of the recording setup. The fish is placed in a small water tank and a stimulus is presented to it on a computer screen. The spikes were recorded with an extracellular electrode. (C,D) The two types of visual stimuli used in the experiment: a random checkerboard stimulus where the value of each checker was drawn from a binary distribution and a full field diffuse flash where each light level was drawn from a Gaussian distribution and presented on the screen. Both stimuli were presented at a frame rate of 60 frames per second.