The position advanced in this paper is that the bedrock of emotional feelings is contained
within the evolved emotional action apparatus of mammalian brains. This dual-aspect …

Mice and rats emit and perceive calls in the ultrasonic range, ie, above the human hearing
threshold of about 20 kHz: so-called ultrasonic vocalizations (USV). Juvenile and adult rats …

Cross-species affective neuroscience studies confirm that primary-process emotional
feelings are organized within primitive subcortical regions of the brain that are anatomically …

BTBR T+ tf/J (BTBR) is an inbred mouse strain that displays social abnormalities and
repetitive behaviors analogous to the first and third diagnostic symptoms of autism. Here we …

Rationale 50-kHz ultrasonic vocalizations (USVs) emitted by adult rats are heterogeneous;
they occur over a wide frequency range, show varying degrees of frequency modulation …

In the early nineties of the twentieth century Jaak Panksepp coined the term “Affective
Neuroscience”(AN) today being accepted as a unique research area in cross-species brain …

A CHOICE Magazine Outstanding Academic Title of 2018. A novel approach to
understanding personality, based on evidence that we share more than we realize with …

The evidence that frequency modulated (FM) 50kHz ultrasonic vocalizations (USVs) reflect a
positive emotional state in rats is reviewed. Positive emotional states in humans are …

This review summarizes all reported and suspected functions of ultrasonic vocalizations in
infant and adult rats. The review leads to the conclusion that all types of ultrasonic …

The study of the neural basis of emotional empathy has received a surge of interest in recent
years but mostly employing human neuroimaging. A simpler animal model would pave the …