Marmosets exposed to a mock infection in the womb have altered vocal development and diminished social interest; exposed macaques show changes in brain structure and function.

A new study supports the view that songbirds offer a good model to study speech learning in autistic children.

The brain areas involved in mice’s ultrasonic vocalizations may not be the same as those that govern human speech.

A comprehensive review has found no scientific basis for a controversial technique that supposedly helps autistic people communicate.

New artificial-intelligence software detects and analyzes the ultrasonic squeaks and cries that constitute inaudible rodent language.

A monkey-sized jacket embedded with motion sensors — similar to technology used to animate creatures in movies — is helping researchers develop the common marmoset as a model for studying human social behavior.

Inhibiting the social hormone oxytocin alters the songs male zebra finches sing to attract females.