Parrot Cognition: Symbolic Understanding of "Same" and "Different"
Classified in Psychology and Sociology
Written on in English with a size of 1.88 KB
This study investigated whether a parrot could use vocal labels to demonstrate a symbolic understanding of the concepts "same" and "different."
Method
Participants
The subject was an African Grey parrot named Alex.
Procedure
Researchers used the model-rival technique to train Alex. This involved:
- Teaching Alex to vocally label objects based on color, shape, and material.
- Presenting Alex with pairs of objects and asking "What's same?" or "What's different?"
- Rewarding Alex for correct vocalizations.
Training and Testing
- Training sessions occurred 2-4 times per week, lasting 5 minutes to 1 hour.
- Objects varied in color (red, green, blue), shape (triangular, square), and material (rawhide, wood).
- Secondary trainers, unfamiliar to Alex, conducted trials to