Quantity discrimination in angelfish (Pterophyllum scalare) is maintained after a 30-s retention interval in the large but not in the small number range
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DOI: 10.1007/s10071-017-1104-8
Abstract: The ability to discriminate between sets that differ in the number of elements can be useful in different contexts and may have survival and fitness consequences. As such, numerical/quantity discrimination has been demonstrated in a… read more here.
Keywords: retention interval; number range; number;