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Episodic-like memory during cache recovery by scrub jays
TLDR
It is shown that scrub jays remember ‘when’ food items are stored by allowing them to recover perishable ‘wax worms’ (wax-moth larvae) and non-perishable peanuts which they had previously cached in visuospatially distinct sites.
The Mentality of Crows: Convergent Evolution of Intelligence in Corvids and Apes
TLDR
It is argued that complex cognitive abilities evolved multiple times in distantly related species with vastly different brain structures in order to solve similar socioecological problems.
The evolution of self-control
TLDR
It is suggested that increases in absolute brain size provided the biological foundation for evolutionary increases in self-control, and implicate species differences in feeding ecology as a potential selective pressure favoring these skills.
Cognitive dysfunction in psychiatric disorders: characteristics, causes and the quest for improved therapy
TLDR
This article critically discusses the challenges and opportunities for improving cognition in individuals suffering from psychiatric disorders, highlighting the needs to characterize the cellular and cerebral circuits underpinning cognitive function and identify more effective treatments.
Can animals recall the past and plan for the future?
TLDR
Experiments on memory in food-caching birds show that western scrub-jays form integrated, flexible, trial-unique memories of what they hid, where and when, and suggest that some animals have elements of both episodic-like memory and future planning.
Cognitive adaptations of social bonding in birds
TLDR
It is argued that cognition may play an important role in the maintenance of long-term relationships, something the authors name as ‘relationship intelligence’.
Interacting Cache memories: evidence for flexible memory use by Western Scrub-Jays (Aphelocoma californica).
TLDR
In the present experiments, the jays generalized their search preference for crickets to intermediate RIs and used novel information about the rate of decay of crickets presented during the RI to reverse these search preferences at recovery.
Planning for the future by western scrub-jays
TLDR
It is suggested that the jays can spontaneously plan for tomorrow without reference to their current motivational state, thereby challenging the idea that this is a uniquely human ability.
Cooperative problem solving in rooks (Corvus frugilegus)
TLDR
Results may indicate that cooperation in chimpanzees is underpinned by more complex cognitive processes than that in rooks, which may arise from the fact that while both chimpanzees and rooks form cooperative alliances, chimpanzees, but not rooking, live in a variable social network made up of competitive and cooperative relationships.
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