Smell facilitates auditory contagious yawning in stranger rats

Individual Variation in Contagious Yawning Susceptibility Is Highly Stable and Largely Unexplained by Empathy or Other Known Factors

(2014) Alex J. Bartholomew et al.   PLoS One

Chimpanzees empathize with group mates and humans, but not with baboons or unfamiliar chimpanzees

(2014) M. W. Campbell et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Desire for social contact, not empathy, may explain “rescue” behavior in rats

(2013) Alan Silberberg et al.   ANIMAL COGNITION

Familiarity Bias and Physiological Responses in Contagious Yawning by Dogs Support Link to Empathy

(2013) Teresa Romero et al.   PLoS One

Auditory contagious yawning in domestic dogs (Canis familiaris): first evidence for social modulation

(2012) Karine Silva et al.   ANIMAL COGNITION

In Bonobos Yawn Contagion Is Higher among Kin and Friends

(2012) Elisa Demuru et al.   PLoS One

Evidence for contagious behaviors in budgerigars (Melopsittacus undulatus): An observational study of yawning and stretching

(2011) Michael L. Miller et al.   BEHAVIOURAL PROCESSES

Ingroup-Outgroup Bias in Contagious Yawning by Chimpanzees Supports Link to Empathy

(2011) Matthew W. Campbell et al.   PLoS One

Empathy and Pro-Social Behavior in Rats

(2011) I. B.-A. Bartal et al.   SCIENCE

Contagious yawning: a reflection of empathy, mimicry, or contagion?

(2010) Jennifer M.D. Yoon et al.   ANIMAL BEHAVIOUR

A dual function of echolocation: bats use echolocation calls to identify familiar and unfamiliar individuals

(2010) Silke L. Voigt-Heucke et al.   ANIMAL BEHAVIOUR

A test of the yawning contagion and emotional connectedness hypothesis in dogs, Canis familiaris

(2010) Sean J. O’Hara et al.   ANIMAL BEHAVIOUR

Yawning: Relation to Sleeping and Stretching in Humans

(2010) Robert R. Provine et al.   ETHOLOGY

Yawning as a Stereotyped Action Pattern and Releasing Stimulus

(2010) Robert R. Provine   ETHOLOGY

Ethological Study of Yawning in Primates. I. Quantitative Analysis and Study of Causation in Two Species of Old World Monkeys (Cercocebus albigena and Macaca fascicularis)

(2010) Bertrand L. Deputte   ETHOLOGY

Why do we yawn?

(2010) Adrian G. Guggisberg et al.   NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS

An integrative and functional framework for the study of animal emotion and mood

(2010) M. Mendl et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Do dogs (Canis familiaris) show contagious yawning?

(2009) Aimee L. Harr et al.   ANIMAL COGNITION

An investigation of auditory contagious yawning

(2009) Stephen R. Arnott et al.   COGNITIVE AFFECTIVE & BEHAVIORAL NEUROSCIENCE

Contagious yawning in gelada baboons as a possible expression of empathy

(2009) E. Palagi et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Computer animations stimulate contagious yawning in chimpanzees

(2009) M. W. Campbell et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Dogs catch human yawns

(2008) R. M Joly-Mascheroni et al.   Biology Letters

Genetic and littermate influences on yawning in two selectively bred strains of rats

(2008) Alejandro Moyaho et al.   DEVELOPMENTAL PSYCHOBIOLOGY

Yawning and thermoregulation

(2008) Andrew C. Gallup et al.   PHYSIOLOGY & BEHAVIOR