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10 January 2011

Border Collie knows names of 1000+ objects

Researchers have discovered that a Border Collie comprehends the names of over 1,000 objects and can differentiate between names of objects and orders to fetch them.

Researchers at Wofford College discovered that a Border Collie comprehends the names of over 1,000 objects, differentiating between names of objects and orders to fetch them.

This research deepens the findings of researchers in Germany, who had discovered a dog that knew the names of a couple of hundred objects.

Important questions were left open as to how far a dog could go, and whether the dog really understood that the object names were nouns and not commands to retrieve the object.

The authors demonstrated that their dog, Chaser, learned the names of 1,022 objects - no upper limit is apparent - they stopped training the dog after three years due to their time constraints, not because the dog could not learn more names.

This study demonstrates Chaser's ability to learn the names of proper nouns, and her extensive vocabulary was tested repeatedly under carefully controlled conditions. The authors admitted that she remembered the names of each of her 1,022 toys better than they could.

Chaser's ability to learn and remember more than 1,000 proper nouns, each mapped to a unique object, revealed clear evidence of several capacities necessary for learning receptive human language: the ability to discriminate between 1,022 different sounds representing names of objects, the ability to discriminate many objects visually, an extensive vocabulary, and a substantial memory system that allowed the mapping of many auditory stimuli to many visual stimuli.

 
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