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 …

Comparative psychologists study cognition by characterizing the behavior of individual
species and explicitly comparing behavior across species. We use the extensive …

Comparative analysis of higher cognitive abilities in animals provides for assessment of the
evolutionary underpinnings of the formation of human thought and language. This review …

The general process-and adaptive specialization hypotheses represent two contrasting
explanations for understanding intelligence in non-human animals. The general process …

A common strategy in comparative cognition is to require that one reject associative learning
as an explanation for behavior before concluding that an organism is capable of causal …

Simple Summary In order to address the physical and mental needs of animals in captivity,
scientists and animal care personnel have developed a number of enrichment strategies …

Jealousy may have evolved to protect valuable social bonds from interlopers, but some
researchers have suggested that it is linked to self-awareness and theory of mind, leading to …

Cognitive test batteries suggest that adult dogs have different types of cognitive abilities that
vary independently. In the current study, we tested puppies repeatedly over a crucial period …

While general enrichment strategies for captive animals attempt to elicit variable and
species-typical behaviors, approaches to cognitive enrichment have been disappointingly …

Сравнительное исследование высших когнитивных способностей животных позволяет
оценить эволюционные предпосылки формирования мышления и языка человека. В …