Published in Nature on October 27, 2005
The social brain: neural basis of social knowledge. Annu Rev Psychol (2009) 4.17
What's in it for me? Self-regard precludes altruism and spite in chimpanzees. Proc Biol Sci (2006) 3.15
Spontaneous altruism by chimpanzees and young children. PLoS Biol (2007) 2.93
Giving is self-rewarding for monkeys. Proc Natl Acad Sci U S A (2008) 2.38
Other-regarding preferences in a non-human primate: common marmosets provision food altruistically. Proc Natl Acad Sci U S A (2007) 2.33
Spontaneous prosocial choice by chimpanzees. Proc Natl Acad Sci U S A (2011) 2.15
Chimpanzees are vengeful but not spiteful. Proc Natl Acad Sci U S A (2007) 1.80
Stress reduction through consolation in chimpanzees. Proc Natl Acad Sci U S A (2008) 1.78
To share or not to share: When do toddlers respond to another's needs? Infancy (2009) 1.64
Do ravens show consolation? Responses to distressed others. PLoS One (2010) 1.51
Cooperation and human cognition: the Vygotskian intelligence hypothesis. Philos Trans R Soc Lond B Biol Sci (2007) 1.48
On the psychology of cooperation in humans and other primates: combining the natural history and experimental evidence of prosociality. Philos Trans R Soc Lond B Biol Sci (2010) 1.47
Evolutionary foundations of human prosocial sentiments. Proc Natl Acad Sci U S A (2011) 1.45
Prosocial primates: selfish and unselfish motivations. Philos Trans R Soc Lond B Biol Sci (2010) 1.45
Chimpanzees help each other upon request. PLoS One (2009) 1.43
Ontogeny of prosocial behavior across diverse societies. Proc Natl Acad Sci U S A (2013) 1.43
Chimpanzees' flexible targeted helping based on an understanding of conspecifics' goals. Proc Natl Acad Sci U S A (2012) 1.41
Chimpanzees help conspecifics obtain food and non-food items. Proc Biol Sci (2010) 1.40
Chimpanzees (Pan troglodytes) do not develop contingent reciprocity in an experimental task. Anim Cogn (2009) 1.38
Evolution of responses to (un)fairness. Science (2014) 1.24
Vicarious reinforcement in rhesus macaques (macaca mulatta). Front Neurosci (2011) 1.23
Generous leaders and selfish underdogs: pro-sociality in despotic macaques. PLoS One (2010) 1.23
Altruism in forest chimpanzees: the case of adoption. PLoS One (2010) 1.22
Prosocial behaviour emerges independent of reciprocity in cottontop tamarins. Proc Biol Sci (2010) 1.21
Why are bystanders friendly to recipients of aggression? Commun Integr Biol (2009) 1.18
Reciprocity of agonistic support in ravens. Anim Behav (2012) 1.15
A Hypothesis of the Co-evolution of Cooperation and Responses to Inequity. Front Neurosci (2011) 1.14
Theft in an ultimatum game: chimpanzees and bonobos are insensitive to unfairness. Biol Lett (2012) 1.10
The Effects of Unequal Reward Distributions on Cooperative Problem Solving by Cottontop Tamarins (Saguinus oedipus). Anim Behav (2008) 1.09
With a little help from a friend. PLoS Biol (2007) 1.07
Cooperation and deception: from evolution to mechanisms. Philos Trans R Soc Lond B Biol Sci (2010) 1.06
Benefiting friends or dominants: prosocial choices mainly depend on rank position in long-tailed macaques (Macaca fascicularis). Primates (2011) 1.04
The emergence of human prosociality: aligning with others through feelings, concerns, and norms. Front Psychol (2014) 1.02
Task design influences prosociality in captive chimpanzees (Pan troglodytes). PLoS One (2014) 1.02
Helping behaviour and regard for others in capuchin monkeys (Cebus apella). Biol Lett (2008) 1.01
Justice- and fairness-related behaviors in nonhuman primates. Proc Natl Acad Sci U S A (2013) 1.01
Gene-culture coevolution and the nature of human sociality. Philos Trans R Soc Lond B Biol Sci (2011) 0.98
Chimpanzees do not take advantage of very low cost opportunities to deliver food to unrelated group members. Anim Behav (2008) 0.98
Pro-sociality without empathy. Biol Lett (2012) 0.97
Recipients affect prosocial and altruistic choices in jackdaws, Corvus monedula. PLoS One (2012) 0.95
A theory for the evolution of other-regard integrating proximate and ultimate perspectives. Proc Natl Acad Sci U S A (2009) 0.94
Viewing men's faces does not lead to accurate predictions of trustworthiness. Sci Rep (2013) 0.89
Critical issues in experimental studies of prosociality in non-human species. Anim Cogn (2016) 0.88
Responding to inequities: gorillas try to maintain their competitive advantage during play fights. Biol Lett (2010) 0.87
Does sympathy motivate prosocial behaviour in great apes? PLoS One (2014) 0.87
Mechanisms underlying responses to inequitable outcomes in chimpanzees, Pan troglodytes. Anim Behav (2010) 0.86
The beginning of the end for chimpanzee experiments? Philos Ethics Humanit Med (2008) 0.85
Familiarity affects other-regarding preferences in pet dogs. Sci Rep (2015) 0.83
Insights into Intraspecies Variation in Primate Prosocial Behavior: Capuchins (Cebus apella) Fail to Show Prosociality on a Touchscreen Task. Behav Sci (Basel) (2014) 0.83
Subadult ravens generally don't transfer valuable tokens to conspecifics when there is nothing to gain for themselves. Front Psychol (2015) 0.83
Rats prefer mutual rewards in a prosocial choice task. Front Neurosci (2015) 0.83
Preschool children fail primate prosocial game because of attentional task demands. PLoS One (2013) 0.83
When given the opportunity, chimpanzees maximize personal gain rather than "level the playing field". PeerJ (2013) 0.83
Chimpanzee social intelligence: selfishness, altruism, and the mother-infant bond. Primates (2009) 0.83
Lack of prosociality in great apes, capuchin monkeys and spider monkeys: convergent evidence from two different food distribution tasks. Proc Biol Sci (2014) 0.83
Do marmosets care to share? Oxytocin treatment reduces prosocial behavior toward strangers. Horm Behav (2015) 0.82
The evolution of altruistic social preferences in human groups. Philos Trans R Soc Lond B Biol Sci (2016) 0.82
Selective and contagious prosocial resource donation in capuchin monkeys, chimpanzees and humans. Sci Rep (2015) 0.82
Chimpanzees trust conspecifics to engage in low-cost reciprocity. Proc Biol Sci (2015) 0.81
Overlapping and distinct representations of advantageous and disadvantageous inequality. Hum Brain Mapp (2013) 0.81
The psychology of primate cooperation and competition: a call for realigning research agendas. Philos Trans R Soc Lond B Biol Sci (2016) 0.80
The co-evolution of fairness preferences and costly punishment. PLoS One (2013) 0.80
Ravens (Corvus corax) are indifferent to the gains of conspecific recipients or human partners in experimental tasks. Anim Cogn (2012) 0.80
Social tolerance in a despotic primate: co-feeding between consortship partners in rhesus macaques. Am J Phys Anthropol (2012) 0.79
Dynamic Duos? Jamaican Fruit Bats (Artibeus jamaicensis) Do Not Show Prosocial Behavior in a Release Paradigm. Behav Sci (Basel) (2016) 0.79
Alloparenting for chimpanzee twins. Sci Rep (2014) 0.78
Orangutans (Pongo spp.) do not spontaneously share benefits with familiar conspecifics in a choice paradigm. Primates (2015) 0.78
Does implied community size predict likeability of a similar stranger? Evol Hum Behav (2015) 0.78
Chimps don't just get mad, they get even. Proc Natl Acad Sci U S A (2007) 0.77
Clark's Nutcrackers (Nucifraga columbiana) Flexibly Adapt Caching Behavior to a Cooperative Context. Front Psychol (2016) 0.75
Animal behaviour: chimpanzee choice and prosociality. Nature (2006) 0.75
Inequity aversion strategies between marmosets are influenced by partner familiarity and sex but not oxytocin. Anim Behav (2016) 0.75
Task Differences and Prosociality; Investigating Pet Dogs' Prosocial Preferences in a Token Choice Paradigm. PLoS One (2016) 0.75
Proactive prosociality in a cooperatively breeding corvid, the azure-winged magpie (Cyanopica cyana). Biol Lett (2016) 0.75
Ingroup/outgroup membership modulates fairness consideration: neural signatures from ERPs and EEG oscillations. Sci Rep (2017) 0.75
The nature of prosociality in chimpanzees. Nat Commun (2016) 0.75
Social science: Hunter-gatherer cooperation. Nature (2012) 0.75
Dogs Do Not Show Pro-social Preferences towards Humans. Front Psychol (2016) 0.75
Studying primate cognition in a social setting to improve validity and welfare: a literature review highlighting successful approaches. PeerJ (2017) 0.75
Sharing of science is most likely among male scientists. Sci Rep (2017) 0.75
Calculated reciprocity? A comparative test with six primate species. Primates (2014) 0.75
Darwin's mistake: explaining the discontinuity between human and nonhuman minds. Behav Brain Sci (2008) 4.93
Transmission of multiple traditions within and between chimpanzee groups. Curr Biol (2007) 2.55
The cultural niche: why social learning is essential for human adaptation. Proc Natl Acad Sci U S A (2011) 2.49
Culture-gene coevolution, norm-psychology and the emergence of human prosociality. Trends Cogn Sci (2011) 2.17
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
Chimpanzees play the ultimatum game. Proc Natl Acad Sci U S A (2013) 2.03
Colloquium paper: gene-culture coevolution in the age of genomics. Proc Natl Acad Sci U S A (2010) 1.91
Use of primates in research: a global overview. Am J Primatol (2004) 1.79
Constraining free riding in public goods games: designated solitary punishers can sustain human cooperation. Proc Biol Sci (2009) 1.77
Causal cognition in human and nonhuman animals: a comparative, critical review. Annu Rev Psychol (2007) 1.74
Prolonged myelination in human neocortical evolution. Proc Natl Acad Sci U S A (2012) 1.64
Inequity responses of monkeys modified by effort. Proc Natl Acad Sci U S A (2007) 1.60
Endowment effects in chimpanzees. Curr Biol (2007) 1.59
The use of positive reinforcement training techniques to enhance the care, management, and welfare of primates in the laboratory. J Appl Anim Welf Sci (2003) 1.58
Training rhesus macaques for venipuncture using positive reinforcement techniques: a comparison with chimpanzees. J Am Assoc Lab Anim Sci (2008) 1.56
Chimpanzees (Pan troglodytes) are predominantly right-handed: replication in three populations of apes. Behav Neurosci (2004) 1.53
The distribution and development of handedness for manual gestures in captive chimpanzees (Pan troglodytes). Psychol Sci (2005) 1.52
Positive reinforcement training affects hematologic and serum chemistry values in captive chimpanzees (Pan troglodytes). Am J Primatol (2006) 1.51
Culture does account for variation in game behavior. Proc Natl Acad Sci U S A (2012) 1.47
Initial description of a quantitative, cross-species (chimpanzee-human) social responsiveness measure. J Am Acad Child Adolesc Psychiatry (2011) 1.47
Chimpanzee minds: suspiciously human? Trends Cogn Sci (2003) 1.43
Ontogeny of prosocial behavior across diverse societies. Proc Natl Acad Sci U S A (2013) 1.43
Gaze allocation in a dynamic situation: effects of social status and speaking. Cognition (2010) 1.42
Observational learning in chimpanzees and children studied through 'ghost' conditions. Proc Biol Sci (2008) 1.39
Chimpanzees (Pan troglodytes) do not develop contingent reciprocity in an experimental task. Anim Cogn (2009) 1.38
Outsourcing punishment to God: beliefs in divine control reduce earthly punishment. Proc Biol Sci (2012) 1.33
Friendship, cliquishness, and the emergence of cooperation. J Theor Biol (2005) 1.32
Population-Level Right Handedness for a Coordinated Bimanual Task in Chimpanzees: Replication and Extension in a Second Colony of Apes. Int J Primatol (2003) 1.30
Sociality influences cultural complexity. Proc Biol Sci (2013) 1.23
Simple Reaching Is Not So Simple: Association Between Hand Use and Grip Preferences in Captive Chimpanzees. Int J Primatol (2005) 1.21
A potent effect of observational learning on chimpanzee tool construction. Proc Biol Sci (2009) 1.20
Rapid cultural adaptation can facilitate the evolution of large-scale cooperation. Behav Ecol Sociobiol (2010) 1.15
Do chimpanzees learn reputation by observation? Evidence from direct and indirect experience with generous and selfish strangers. Anim Cogn (2008) 1.11
Teaching and the life history of cultural transmission in Fijian villages. Hum Nat (2013) 1.10
Personality structure in brown capuchin monkeys (Sapajus apella): comparisons with chimpanzees (Pan troglodytes), orangutans (Pongo spp.), and rhesus macaques (Macaca mulatta). J Comp Psychol (2013) 1.10
Squirrel monkeys' response to inequitable outcomes indicates a behavioural convergence within the primates. Biol Lett (2011) 1.09
Responses to the Assurance game in monkeys, apes, and humans using equivalent procedures. Proc Natl Acad Sci U S A (2011) 1.07
Hand preferences for coordinated bimanual actions in 777 great apes: implications for the evolution of handedness in hominins. J Hum Evol (2011) 1.03
Chimpanzee (Pan troglodytes) intentional communication is not contingent upon food. Anim Cogn (2005) 1.03
Synaptogenesis and development of pyramidal neuron dendritic morphology in the chimpanzee neocortex resembles humans. Proc Natl Acad Sci U S A (2013) 1.03
Two ways to the top: evidence that dominance and prestige are distinct yet viable avenues to social rank and influence. J Pers Soc Psychol (2012) 1.03
Dendritic morphology of pyramidal neurons in the chimpanzee neocortex: regional specializations and comparison to humans. Cereb Cortex (2012) 1.00
Adult cleaner wrasse outperform capuchin monkeys, chimpanzees and orang-utans in a complex foraging task derived from cleaner--client reef fish cooperation. PLoS One (2012) 0.99
Impartial institutions, pathogen stress and the expanding social network. Hum Nat (2014) 0.99
Factors influencing the prevalence and handedness for throwing in captive chimpanzees (Pan troglodytes). J Comp Psychol (2005) 0.99
Institutions, parasites and the persistence of in-group preferences. PLoS One (2013) 0.98
War's enduring effects on the development of egalitarian motivations and in-group biases. Psychol Sci (2013) 0.94
Influence of personality, age, sex, and estrous state on chimpanzee problem-solving success. Anim Cogn (2013) 0.94
Maternal age, parity, and reproductive outcome in captive chimpanzees (Pan troglodytes). Am J Primatol (2005) 0.92
Social learning of a communicative signal in captive chimpanzees. Biol Lett (2012) 0.91
Cortical sulci asymmetries in chimpanzees and macaques: a new look at an old idea. Neuroimage (2012) 0.90
Chimpanzee autarky. PLoS One (2008) 0.89
Developing a comprehensive and comparative questionnaire for measuring personality in chimpanzees using a simultaneous top-down/bottom-up design. Am J Primatol (2013) 0.89
Parental and perinatal factors influencing the development of handedness in captive chimpanzees. Dev Psychobiol (2006) 0.89
Physiological and Welfare Consequences of Transport, Relocation, and Acclimatization of Chimpanzees (Pan troglodytes). Appl Anim Behav Sci (2011) 0.87
Early false-belief understanding in traditional non-Western societies. Proc Biol Sci (2013) 0.87
Factors affecting initial training success of blood glucose testing in captive chimpanzees (Pan troglodytes). Zoo Biol (2014) 0.87
Comparative investigations of manual action representations: evidence that chimpanzees represent the costs of potential future actions involving tools. Philos Trans R Soc Lond B Biol Sci (2012) 0.86
An 8-year longitudinal study of mirror self-recognition in chimpanzees (Pan troglodytes). Neuropsychologia (2003) 0.86
An evaluation of the efficacy of video displays for use with chimpanzees (Pan troglodytes). Am J Primatol (2012) 0.86
Interpretative problems with chimpanzee ultimatum game. Proc Natl Acad Sci U S A (2013) 0.86
How fairly do chimpanzees play the ultimatum game? Commun Integr Biol (2013) 0.85
Different early rearing experiences have long-term effects on cortical organization in captive chimpanzees (Pan troglodytes). Dev Sci (2013) 0.85
Reply to Jensen et al.: Equitable offers are not rationally maximizing. Proc Natl Acad Sci U S A (2013) 0.85
Acupuncture as an adjunct therapy for osteoarthritis in chimpanzees (Pan troglodytes). J Am Assoc Lab Anim Sci (2013) 0.85
Social comparison mediates chimpanzees' responses to loss, not frustration. Anim Cogn (2014) 0.85
Chimpanzees' (Pan troglodytes) use of gaze cues in object-choice tasks: different methods yield different results. Anim Cogn (2004) 0.84
Economic and evolutionary hypotheses for cross-population variation in parochialism. Front Hum Neurosci (2013) 0.84
Different responses to reward comparisons by three primate species. PLoS One (2013) 0.83
The phylogenetic roots of cognitive dissonance. J Comp Psychol (2010) 0.83
When given the opportunity, chimpanzees maximize personal gain rather than "level the playing field". PeerJ (2013) 0.83
Spatial memory in captive American black bears (Ursus americanus). J Comp Psychol (2012) 0.82
The neural basis of perceived unfairness in economic exchanges. Brain Connect (2014) 0.81
Cross-cultural evidence that the nonverbal expression of pride is an automatic status signal. J Exp Psychol Gen (2012) 0.81
Within- and between-task consistency in hand use as a means of characterizing hand preferences in captive chimpanzees (Pan troglodytes). J Comp Psychol (2013) 0.81
Control, choice, and assessments of the value of behavioral management to nonhuman primates in captivity. J Appl Anim Welf Sci (2007) 0.81
Preparing chimpanzees for laboratory research. ILAR J (2006) 0.81
Neocortical synaptophysin asymmetry and behavioral lateralization in chimpanzees (Pan troglodytes). Eur J Neurosci (2010) 0.81
Brief Report: Chimpanzee Social Responsiveness Scale (CSRS) Detects Individual Variation in Social Responsiveness for Captive Chimpanzees. J Autism Dev Disord (2015) 0.80
The sound of one-hand clapping: handedness and perisylvian neural correlates of a communicative gesture in chimpanzees. Proc Biol Sci (2012) 0.80