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--- uncategorized:bugs_cognitive_capabilities [2023/02/07 05:53]
aysjajohnson [Linear Homing Mazes]
+++ uncategorized:bugs_cognitive_capabilities [2023/07/23 21:07]
katjagrace
@@ Line 1: / Line 1: @@
+====== Cognitive capabilities of insects ======
 This is a list of animals with small brains and their performance on relatively advanced cognitive tasks.
@@ Line 143: / Line 146: @@
 ==== Big versus Small ====
-Using a linear homing maze (as shown in the sequence learning section), Beugnon and Macquart((Beugnon, G., & Macquart, D., “Sequential learning of relative size by the Neotropical ant Gigantiops destructor.” //Journal of Comparative Physiology//, February 2016, doi:10.1007/s00359-016-1075-2.)) trained ants to go left when presented with a wide bar and right when presented with a narrow bar. This setup is pictured below (each ant traverses through six of these decision chambers sequentially). In this picture, the first chamber (number 1) includes an image of a wide bar and a transparent door covers the right hand exit (disabling the ants from taking it). Ants thus learn to associate a wide bar with the left exit through trial and error (there is no reward involved). Likewise, the second chamber has a narrow bar and a transparent door covering the left exit, so ants learn to associate narrow bars with the right hand door.
+Using a linear homing maze (as described in the sequence learning section), Beugnon and Macquart((Beugnon, G., & Macquart, D., “Sequential learning of relative size by the Neotropical ant Gigantiops destructor.” //Journal of Comparative Physiology//, February 2016, doi:10.1007/s00359-016-1075-2.)) trained ants to go left when presented with a wide bar and right when presented with a narrow bar. They did this by placing a transparent covering on the right hand exit when a wide bar was presented in the chamber, leaving the ants no choice but to go left. Ants thus learn to associate a wide bar with the left exit through trial and error (there is no reward involved). Likewise, the second chamber has a narrow bar and a transparent door covering the left exit, so ants learn to associate narrow bars with the right hand door.
 Once ants had learned to associate a wide bar with left and a narrow bar with right, the experimenters introduced six additional chambers. In the first three, either three wide bars were presented, or three narrow ones were. In the last three, a bar of intermediate size was presented. The authors reasoned that if the ants had learned the relational concept of size, then ants that had just seen three wide bars would presumably treat the intermediate bar as narrow and go right. Conversely, ants who had just seen three narrow bars should choose to go left.

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