Can nonhuman animals use an abstract sense of sameness to perceive relations-between-
relations? This question has been studied over the last 40 years; yet, the extent to which …

This article describes an approach for training a variety of species to learn the abstract
concept of same/different, which in turn forms the basis for testing proactive interference and …

Corvids (birds of the family Corvidae) display intelligent behavior previously ascribed only to
primates, but such feats are not directly comparable across species. To make direct species …

It was recently found that not only tool-specialized New Caledonian crows, but also Goffin
cockatoos can manufacture physical objects in accordance with a mental template. That is …

Symmetry and other derived stimulus relations are readily demonstrated in humans in a
variety of experimental preparations. Comparable emergent relations are more difficult to …

Much has been written about the potential benefits of translational research in behavior
analysis, but a lack of consensus about what constitutes “translational” creates a barrier to …

Abstract Since 1997, APOPO, a non-profit organization based in Tanzania, has deployed
African giant pouched rats (Cricetomys ansorgei) to detect landmines in post-conflict areas …

Abstract relational concepts depend upon relationships between stimuli (eg, same vs.
different) and transcend features of the training stimuli. Recent evidence shows that learning …

concept learning in two species of new world corvids, pinyon jays (Gymnorhinus Cyanocephalus)
and California scrub jays (Aphelocoma Californica). © 2021 American Psychological …

Evidence of learning and generalization of visual regularities in a newborn organism is
provided in the present research. Domestic chicks have been trained to discriminate visual …