Published in Science on May 18, 2006
On the lack of evidence that non-human animals possess anything remotely resembling a 'theory of mind'. Philos Trans R Soc Lond B Biol Sci (2007) 2.07
Metacognition in the rat. Curr Biol (2007) 2.06
The interplay of cognition and cooperation. Philos Trans R Soc Lond B Biol Sci (2010) 1.79
Social cognition by food-caching corvids. The western scrub-jay as a natural psychologist. Philos Trans R Soc Lond B Biol Sci (2007) 1.73
Cooperative problem solving in rooks (Corvus frugilegus). Proc Biol Sci (2008) 1.66
Mirror-induced behavior in the magpie (Pica pica): evidence of self-recognition. PLoS Biol (2008) 1.60
Social cognition and the evolution of language: constructing cognitive phylogenies. Neuron (2010) 1.49
Careful cachers and prying pilferers: Eurasian jays (Garrulus glandarius) limit auditory information available to competitors. Proc Biol Sci (2012) 1.46
Evidence suggesting that desire-state attribution may govern food sharing in Eurasian jays. Proc Natl Acad Sci U S A (2013) 1.33
Knower-guesser differentiation in ravens: others' viewpoints matter. Proc Biol Sci (2010) 1.25
Problems faced by food-caching corvids and the evolution of cognitive solutions. Philos Trans R Soc Lond B Biol Sci (2010) 1.23
Crows cross-modally recognize group members but not non-group members. Proc Biol Sci (2012) 1.21
The ecological relevance of sleep: the trade-off between sleep, memory and energy conservation. Philos Trans R Soc Lond B Biol Sci (2010) 1.20
Extent and limits of cooperation in animals. Proc Natl Acad Sci U S A (2011) 1.15
Corvid re-caching without 'theory of mind': a model. PLoS One (2012) 1.04
Ravens attribute visual access to unseen competitors. Nat Commun (2016) 1.01
Perspectives on episodic-like and episodic memory. Front Behav Neurosci (2013) 1.00
Social cognition in ravens. Comp Cogn Behav Rev (2015) 0.88
Does 'Relationship Intelligence' Make Big Brains in Birds? Open Biol J (2008) 0.87
Early false-belief understanding in traditional non-Western societies. Proc Biol Sci (2013) 0.87
Mountain chickadees discriminate between potential cache pilferers and non-pilferers. Proc Biol Sci (2008) 0.87
Unraveling the evolution of uniquely human cognition. Proc Natl Acad Sci U S A (2016) 0.85
The development of caching and object permanence in Western scrub-jays (Aphelocoma californica): which emerges first? J Comp Psychol (2009) 0.85
Re-caching by Western scrub-jays (Aphelocoma californica) cannot be attributed to stress. PLoS One (2013) 0.85
Western scrub-jays do not appear to attend to functionality in Aesop's Fable experiments. PeerJ (2016) 0.84
The ecology of human fear: survival optimization and the nervous system. Front Neurosci (2015) 0.84
A search game model of the scatter hoarder's problem. J R Soc Interface (2011) 0.83
Tests of planning and the Bischof-Köhler hypothesis in rhesus monkeys (Macaca mulatta). Behav Processes (2009) 0.81
Behavioral flexibility and problem solving in an invasive bird. PeerJ (2016) 0.81
Ravens (Corvus corax) are indifferent to the gains of conspecific recipients or human partners in experimental tasks. Anim Cogn (2012) 0.80
Mirror-mark tests performed on jackdaws reveal potential methodological problems in the use of stickers in avian mark-test studies. PLoS One (2014) 0.80
Adaptable individuals and innovative lineages. Philos Trans R Soc Lond B Biol Sci (2016) 0.79
Not all locations are created equal: exploring how adults hide and search for objects. PLoS One (2012) 0.78
Ontogeny of object permanence in a non-storing corvid species, the jackdaw (Corvus monedula). Anim Cogn (2012) 0.78
The Responses of Young Domestic Horses to Human-Given Cues. PLoS One (2013) 0.78
Mice infer probabilistic models for timing. Proc Natl Acad Sci U S A (2013) 0.77
No evidence of temporal preferences in caching by Western scrub-jays (Aphelocoma californica). Behav Processes (2013) 0.76
Graded Mirror Self-Recognition by Clark's Nutcrackers. Sci Rep (2016) 0.75
Chickadees are selfish group members when it comes to food caching. Anim Behav (2010) 0.75
Crayfish bury their own exuviae: a newly discovered behavioral pattern in decapods. Springerplus (2016) 0.75
Behavioral flexibility in an invasive bird is independent of other behaviors. PeerJ (2016) 0.75
Rats value time differently on equivalent foraging and delay-discounting tasks. J Exp Psychol Gen (2016) 0.75
Memory, mental time travel and The Moustachio Quartet. Interface Focus (2017) 0.75
The relation between spatial perspective taking and inhibitory control in 6-year-old children. Psychol Res (2016) 0.75
Dogs demonstrate perspective taking based on geometrical gaze following in a Guesser-Knower task. Anim Cogn (2017) 0.75
The mentality of crows: convergent evolution of intelligence in corvids and apes. Science (2004) 5.20
Insightful problem solving and creative tool modification by captive nontool-using rooks. Proc Natl Acad Sci U S A (2009) 3.44
Western scrub-jays anticipate future needs independently of their current motivational state. Curr Biol (2007) 3.02
Investigating physical cognition in rooks, Corvus frugilegus. Curr Biol (2006) 2.87
A test of the adaptive specialization hypothesis: population differences in caching, memory, and the hippocampus in black-capped chickadees (Poecile atricapilla). Behav Neurosci (2002) 2.54
Cognitive dysfunction in psychiatric disorders: characteristics, causes and the quest for improved therapy. Nat Rev Drug Discov (2012) 2.44
Postconflict third-party affiliation in rooks, Corvus frugilegus. Curr Biol (2007) 2.41
Cognitive adaptations of social bonding in birds. Philos Trans R Soc Lond B Biol Sci (2007) 2.27
The hippocampus, spatial memory and food hoarding: a puzzle revisited. Trends Ecol Evol (2005) 1.93
What do rooks (Corvus frugilegus) understand about physical contact? J Comp Psychol (2006) 1.89
Cache protection strategies by western scrub-jays (Aphelocoma californica): hiding food in the shade. Proc Biol Sci (2004) 1.80
Western scrub-jays ( Aphelocoma californica) use cognitive strategies to protect their caches from thieving conspecifics. Anim Cogn (2003) 1.78
Social cognition by food-caching corvids. The western scrub-jay as a natural psychologist. Philos Trans R Soc Lond B Biol Sci (2007) 1.73
Cooperative problem solving in rooks (Corvus frugilegus). Proc Biol Sci (2008) 1.66
Does hippocampal size correlate with the degree of caching specialization? Proc Biol Sci (2004) 1.65
Tool-use and instrumental learning in the Eurasian jay (Garrulus glandarius). Anim Cogn (2011) 1.46
Careful cachers and prying pilferers: Eurasian jays (Garrulus glandarius) limit auditory information available to competitors. Proc Biol Sci (2012) 1.46
How does cognition evolve? Phylogenetic comparative psychology. Anim Cogn (2011) 1.45
The control of food-caching behavior by Western scrub-jays (Aphelocoma californica). J Exp Psychol Anim Behav Process (2007) 1.45
New Caledonian crows learn the functional properties of novel tool types. PLoS One (2011) 1.41
Non-tool-using rooks, Corvus frugilegus, solve the trap-tube problem. Anim Cogn (2006) 1.36
Eurasian jays (Garrulus glandarius) overcome their current desires to anticipate two distinct future needs and plan for them appropriately. Biol Lett (2011) 1.35
Evidence suggesting that desire-state attribution may govern food sharing in Eurasian jays. Proc Natl Acad Sci U S A (2013) 1.33
Chimpanzees solve the trap problem when the confound of tool-use is removed. J Exp Psychol Anim Behav Process (2009) 1.31
An evolutionary perspective on caching by corvids. Proc Biol Sci (2006) 1.28
Problems faced by food-caching corvids and the evolution of cognitive solutions. Philos Trans R Soc Lond B Biol Sci (2010) 1.23
Jackdaws respond to human attentional states and communicative cues in different contexts. Curr Biol (2009) 1.17
Mental-state attribution drives rapid, reflexive gaze following. Atten Percept Psychophys (2010) 1.12
Bilateral neurotoxic amygdala lesions in rhesus monkeys (Macaca mulatta): consistent pattern of behavior across different social contexts. Behav Neurosci (2008) 1.12
Evolution of the avian brain and intelligence. Curr Biol (2005) 1.08
Western scrub-jays conceal auditory information when competitors can hear but cannot see. Biol Lett (2009) 1.08
Behavioural coordination of dogs in a cooperative problem-solving task with a conspecific and a human partner. Anim Cogn (2013) 1.06
Food offering in jackdaws ( Corvus monedula). Naturwissenschaften (2003) 1.04
Tool use and physical cognition in birds and mammals. Curr Opin Neurobiol (2009) 1.03
How do children solve Aesop's Fable? PLoS One (2012) 1.03
The social life of corvids. Curr Biol (2007) 1.01
What do bonobos (Pan paniscus) understand about physical contact? J Comp Psychol (2006) 1.01
Prometheus to Proust: the case for behavioural criteria for 'mental time travel'. Trends Cogn Sci (2003) 1.00
Social cognition modulates the sensory coding of observed gaze direction. Curr Biol (2009) 0.99
Comparative social cognition. Annu Rev Psychol (2009) 0.98
The relationship between dominance, corticosterone, memory, and food caching in mountain chickadees (Poecile gambeli). Horm Behav (2003) 0.98
Eurasian jays (Garrulus glandarius) conceal caches from onlookers. Anim Cogn (2014) 0.96
Neural aromatization accelerates the acquisition of spatial memory via an influence on the songbird hippocampus. Horm Behav (2004) 0.96
Do different tests of episodic memory produce consistent results in human adults? Learn Mem (2013) 0.92
The effect of photoperiod on adrenocortical stress response in mountain chickadees (Poecile gambeli). Gen Comp Endocrinol (2002) 0.91
Can male Eurasian jays disengage from their own current desire to feed the female what she wants? Biol Lett (2014) 0.89
Rooks perceive support relations similar to six-month-old babies. Proc Biol Sci (2009) 0.89
Animal minds: from computation to evolution. Philos Trans R Soc Lond B Biol Sci (2012) 0.87
Exclusion in corvids: the performance of food-caching Eurasian jays (Garrulus glandarius). J Comp Psychol (2013) 0.86
Evidence from convergent evolution and causal reasoning suggests that conclusions on human uniqueness may be premature. Behav Brain Sci (2012) 0.86
The development of caching and object permanence in Western scrub-jays (Aphelocoma californica): which emerges first? J Comp Psychol (2009) 0.85
Re-caching by Western scrub-jays (Aphelocoma californica) cannot be attributed to stress. PLoS One (2013) 0.85
Ten years of research into avian models of episodic-like memory and its implications for developmental and comparative cognition. Behav Brain Res (2010) 0.84
A search game model of the scatter hoarder's problem. J R Soc Interface (2011) 0.83
Are animals autistic savants. PLoS Biol (2008) 0.83
No latitudinal differences in adrenocortical stress response in wintering black-capped chickadees (Poecile atricapilla). Comp Biochem Physiol A Mol Integr Physiol (2004) 0.83
Visual cues given by humans are not sufficient for Asian elephants (Elephas maximus) to find hidden food. PLoS One (2013) 0.80
Selective changes in foraging behavior following bilateral neurotoxic amygdala lesions in rhesus monkeys. Behav Neurosci (2010) 0.79
Pilfering Eurasian jays use visual and acoustic information to locate caches. Anim Cogn (2014) 0.79
Salient eyes deter conspecific nest intruders in wild jackdaws (Corvus monedula). Biol Lett (2014) 0.79
Specializations of birds that attend army ant raids: an ecological approach to cognitive and behavioral studies. Behav Processes (2012) 0.78
Motivation and memory in zebra finch (Taeniopygia guttata) foraging behavior. Anim Cogn (2007) 0.77
Western scrub-jays allocate longer observation time to more valuable information. Anim Cogn (2013) 0.77
Evidence of episodic-like memory in cuttlefish. Curr Biol (2013) 0.76
Neural circuits and behaviour: developmental and evolutionary perspectives. Curr Opin Neurobiol (2005) 0.76
Erratum: The development of support intuitions and object causality in juvenile Eurasian jays (Garrulus glandarius). Sci Rep (2017) 0.75
Inequity aversion in human adults: testing behavioural criteria from comparative cognition. Anim Cogn (2013) 0.75