Quantity discrimination in angelfish (Pterophyllum scalare) is maintained after a 30-s retention interval in the large but not in the small number range
نویسندگان
چکیده
منابع مشابه
The Role of Body Surface Area in Quantity Discrimination in Angelfish (Pterophyllum scalare)
Although some fish species have been shown to be able to discriminate between two groups (shoals) of conspecifics differing in the number of members, most studies have not controlled for continuous variables that covary with number. Previously, using angelfish (Pterophyllum scalare) we started the systematic analysis of the potential influence of such continuous variables, and found that they p...
متن کاملShort-Term Memory Effects on Crossing the Boundary: Discrimination between Large and Small Quantities in Angelfish (Pterophyllum scalare)
Rudimentary quantification abilities are found in numerous animal species and in human infants all demonstrating the ability to discriminate between quantities differing in numerical size. An open question is whether individuals rely on different underlying systems to discriminate between large (analogue magnitude system (AMS) for number of items exceeding 3) and small quantities (object-file s...
متن کاملThe report of Fibropapilloma in the lips area in a group of freshwater Angelfish (Pterophyllum scalare) in sari city, Iran
Increasing the rate of neoplasms in industrial societies and its wide variety among ornamental and wild fishes in both fresh and salt waters are important. The effect of carcinogenic factors and the role of virus in tumor formation should be considered. In this study 10 3-month-olds Koi and Marble strains of fresh water Angelfish (Pterophyllum scalare), , with cauliflower lesions masses w...
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this thesis attempts to study the representations of the third-world intellectuals in three fictional works by the british-educated trinidadian nobel-winner v. s. naipaul: the mimic men, a bend in the river, and magic seeds. the first one recounts the story of ralph singh’s sense of alienation, his experiences as a colonial politician, and his struggle to give order to his disorderly world thro...
15 صفحه اولthe washback effect of discretepoint vs. integrative tests on the retention of content in knowledge tests
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ژورنال
عنوان ژورنال: Animal Cognition
سال: 2017
ISSN: 1435-9448,1435-9456
DOI: 10.1007/s10071-017-1104-8