There is no clear relationship between crying and depression based on human neuropsychiatric observations. This situation originates from lack of suitable animal models of human crying. In the present ...

Rodents emit ultrasonic vocalizations (USVs) above the human hearing threshold of ~ 20 kHz to communicate emotional states and to coordinate their social interactive behavior. Twenty-two kHz USVs ...

This is a preview. Log in through your library . Abstract Rats are highly social animals, with a rich social behavioral repertoire, including the emission of so-called ultrasonic vocalizations (USV).

These vocalizations, typically in the 50 kHz frequency range, are thought to be associated with pleasurable emotional states. Juvenile adolescent rats also emit 50 kHz ultrasonic vocalizations in ...

An AVR project that tests the DiSEqC swtiches which use 1.0 or 1.1 protocols. Additionally the tester supports 22 kHz tone mode. An AVR project that tests the DiSEqC swtiches which use 1.0 or 1.1 ...