The behavioral ecology of a cognitive constraint: limited attention

Colin W. Clark and Reuven Dukas

Behavioral Ecology, 2003, vol. 14, issue 2, 151-156

Abstract: Limited attention may constrain animal behavior in situations in which the rate of relevant information exceeds the threshold processing capacity of the brain. In the present study, we examine why attention is limited by quantifying how attention affects the ubiquitous problem of balancing foraging and antipredator activity. We analyze how a given attentional capacity affects feeding requirements, the optimal attentional focus during predator scanning, and the probability of detecting predators. Our model indicates that because of the complex interplay between the costs and benefits associated with a given attentional capacity, limited attention can be an optimal strategy, which allows effective and economical search for cryptic objects. Copyright 2003.

Keywords: attention; cognition; constraint; foraging; predation risk (search for similar items in EconPapers)
Date: 2003
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