AI Masters (IMAGE) University of Iowa Caption University of Iowa researchers concluded pigeons use the same base learning principle, called associative learning, as artificial intelligence. The pigeons mastered exhaustive, repetitive tests such as the one shown above. In the center square are 16 sample stimuli out of the thousands the pigeons had to categorize. The stimuli were drawn from two different categories, shown on either side. Credit Ed Wasserman, University of Iowa Usage Restrictions None. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.