Spontaneous mimicry appears fundamental to emotional perception and contagion,
especially when it involves facial emotional expressions. Here we cover recent evidence on …

In clinical practice, involuntary vocalizing behaviors are typically associated with Tourette
syndrome and other tic disorders. However, they may also be encountered throughout the …

Yawn contagion, possibly a form of emotional contagion, occurs when a subject yawns in
response to others' yawns. Yawn contagion has been reported in humans, chimpanzees …

Humans express facial mimicry across a variety of actions. This article explores a distinct
example, contagious yawning, and the links to empathy and prosocial behavior. Prior …

Tourette syndrome (TS) is a neuropsychiatric disorder characterized by the occurrence of
vocal and motor tics. Tics are involuntary, repetitive movements and vocalizations that occur …

Tourette syndrome is a neuropsychiatric developmental disorder, characterized by tics that
are often preceded by an increasingly uncomfortable urge to move. Tic frequency can …

Simple Summary It is now widely accepted that animals may express and perceive
emotions. This capacity has an adaptive value because it allows animals to respond to …

The association between social cognition and putative mirror neuron system (MNS)-activity
in major psychoses might be contingent upon frontal dysregulation. We used a …

Yawning is contagious in human adults. While infants do not show contagious yawning, it
remains unclear whether infants perceive yawning in the same manner as other facial …

Yawning is a behavioral stereotypy observed in all vertebrates, whether they live in the air,
on land or underwater, and whether they are homeotherms or poikilotherms. This article …