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Stephen C. Pratt
Arizona State University
90Publications
29H-index
3,928Citations
Publications 91
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The nest structures built by social insects are complex group-level patterns that emerge from interactions among individuals following simple behavioral rules. The theory of complex systems predicts that there is no simple one-to-one relationship between variations in collective patterns and variation in individual behaviors; therefore, it is essential to know how actual behavior evolves to change pattern formation. Here we demonstrate that the evolutionary divergence of termite tunneling patter...
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#1Takao Sasaki (University of Oxford)H-Index: 14
#2Benjamin Stott (University of Oxford)H-Index: 1
Last.Stephen C. Pratt (ASU: Arizona State University)H-Index: 29
view all 3 authors...
The study of rational choice in humans and other animals typically focuses on decision outcomes, but rationality also applies to decision latencies, especially when time is scarce and valuable. For...
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#1Gabriele Valentini (ASU: Arizona State University)H-Index: 48
#2Naoki Masuda (SUNY: State University of New York System)
Last.Stephen C. Pratt (ASU: Arizona State University)H-Index: 29
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The fitness of group-living animals often depends on the efficiency with which members share information about resources, so that the group can collectively decide how best to allocate its efforts. Theoretical studies have shown that collective choices can emerge from homogeneous individuals following identical rules, but real animals show much evidence for heterogeneity in the degree and nature of their contribution to group decisions. In the social insects, for example, the transmission and pr...
Source
#1Takao SasakiH-Index: 1
#2Benjamin StottH-Index: 1
Last.Stephen C. PrattH-Index: 29
view all 3 authors...
1 CitationsSource
#1Gabriele Valentini (ASU: Arizona State University)H-Index: 48
#2Nobuaki Mizumoto (ASU: Arizona State University)H-Index: 5
Last.Sara Imari Walker (ASU: Arizona State University)H-Index: 15
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Signals whose function is solely to coordinate communication are so far known only in human conversations [1] and telecommunication networks [2]. Utterances like “mm-hmm” [3], gestures such as the nodding of one9s head, or “ACK” packets used in Internet protocols to confirm the reception of a message [4] all coordinate communication. Rather than carrying domain-specific information [5−7], these signals are generic acknowledgements used by receivers to control the flow of sender information when ...
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#1Madeleine M. Ostwald (ASU: Arizona State University)H-Index: 1
#2Zachary Shaffer (ASU: Arizona State University)H-Index: 3
Last.Jennifer H. Fewell (ASU: Arizona State University)H-Index: 35
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The advantages of group living are partially offset by the cognitive challenges associated with maintaining social boundaries. These challenges can give rise to recognition mechanisms that adaptively integrate information across multiple sensory modalities. The valley carpenter bee, Xylocopa varipuncta, nests in dead wood in large aggregations of up to several dozen nests. This study investigates the proximate mechanisms by which returning foragers quickly and reliably identify their own nest en...
1 CitationsSource
#1Kaitlin M. Baudier (ASU: Arizona State University)H-Index: 5
#2Madeleine M. Ostwald (ASU: Arizona State University)H-Index: 1
Last.Jennifer H. Fewell (ASU: Arizona State University)H-Index: 35
view all 8 authors...
1 CitationsSource
#1Nobuaki Mizumoto (ASU: Arizona State University)H-Index: 5
#2Shinya Miyata (Josai University)
Last.Stephen C. Pratt (ASU: Arizona State University)H-Index: 29
view all 3 authors...
Collective motion by animal groups can emerge from simple rules that govern each individual's interactions with its neighbours. Studies of extant species have shown how such rules yield coordinated group behaviour, but little is known of their evolutionary origins or whether extinct group-living organisms used similar rules. Here, we report evidence consistent with coordinated collective motion in a fossilized group of the extinct fish Erismatopterus levatus, and we infer possible behavioural ru...
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#1Nobuaki MizumotoH-Index: 5
Last.Stephen C. PrattH-Index: 29
view all 3 authors...
Source
#1Nick SalafskyH-Index: 21
#2Judith BoshovenH-Index: 1
Last.Claire F. R. Wordley (University of Cambridge)H-Index: 7
view all 16 authors...
1 CitationsSource
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