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Figure 1 | Zoological Letters

Figure 1

From: Planarian shows decision-making behavior in response to multiple stimuli by integrative brain function

Figure 1

Schematic drawings of the assay system for chemotaxis and thigmotaxis/kinesis. (A) The assay chamber used to test chemotaxis. The cross indicates the peak of the chemoattractant gradient. The circle indicates the start region. Planarian behavior was quantified using the time spent in the target quadrant (Zone 4). (B) The assay plate used to test thigmotaxis/kinesis. The 2 opposing quadrants shaded gray indicate the textured regions. The white quadrants indicate smooth regions. The circle indicates the start region. Planarian behavior was quantified using the time spent in the two smooth regions. (C) Planarian behavior was recorded using a digital video camera and was analyzed using a computer and behavior analysis software.

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