The paper is Open Access royalsocietypublishing.org/doi/10.1098/...
How does cognition determine an individual’s fitness? A systematic review of the links between cognition, behaviour and fitness in non-human animals | Philosophical Transactions of the Royal Society B: Biological SciencesRecent efforts to understand the evolution of cognition have adopted a within-species approach where cognitive performance, and its effects on behaviour, is correlated with fitness benefits and, if related, is assumed to be selected for. We reviewed 45 ...royalsocietypublishing.org