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Visual numerical cognition in pigeons: conformity to the Weber-Fechner law
Peng Wu1,2, Juncai Zhu1,2, Qingzhi He1,2
1School of Electrical and Information Engineering, Zhengzhou University, Zhengzhou, 450001, China.
Animal Cognition
|May 19, 2025
Summary
Pigeons
Area of Science:
- Cognitive neuroscience
- Animal behavior
- Comparative psychology
Background:
- Pigeons possess advanced visual numerical cognition.
- The applicability of the Weber-Fechner law to pigeon numerical cognition is unexplored.
Purpose of the Study:
- To investigate whether pigeons' visual numerical cognition follows the Weber-Fechner law.
- To determine the nature of the pigeon's mental number line.
Main Methods:
- A fully automated apparatus was developed for pigeons.
- Pigeons were trained on a delayed match-to-numerosity task.
Main Results:
- Pigeons showed a numerical magnitude effect on a linear scale, representing smaller numbers more precisely.
- This effect was nullified when data was analyzed on a logarithmic scale, indicating logarithmic representation.
Conclusions:
- Pigeon mental number representation is logarithmic, aligning with the Weber-Fechner law.
- This logarithmic representation may be an evolutionary adaptation balancing precision and computational load.
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