ArticleThe journal of physiological sciences : JPS2020
Stroking stimulation of the skin elicits 50-kHz ultrasonic vocalizations in young adult rats.
Article in The journal of physiological sciences : JPS, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 19 citations in OpenAlex.
- Article
- Adolescent tickling incorporating handling is associated with reduced stress- and fear-related behaviors in socially isolated male rats.Frontiers in behavioral neuroscience · 2026Article
- Dorsal column pathway is involved in tactile reward-induced affective 50-kHz ultrasonic vocalizations in rats.PloS one · 2025Article
- Male rats emit aversive 44-kHz ultrasonic vocalizations during prolonged Pavlovian fear conditioning.eLife · 2024Article
- Altered vocal communication in adult vasopressin-deficient Brattleboro rats.Physiology & behavior · 2024Article
- Activation of the rostral nucleus accumbens shell by optogenetics induces cataplexy-like behavior in orexin neuron-ablated mice.Scientific reports · 2023Article
- Increased self-triggered vocalizations in an epidermal growth factor-induced rat model for schizophrenia.Scientific reports · 2022Article
- Article
- Biological Functions of Rat Ultrasonic Vocalizations, Arousal Mechanisms, and Call Initiation.Brain sciences · 2021Review
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Authors and funding
4 authors at 3 institutions in 1 country.
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Abstract
The present study aimed to clarify if stroking stimulation of the skin produces positive emotion in rats. 50-kHz ultrasonic vocalizations (USVs) were recorded as an index of the positive emotion. Stroking stimulation was applied to the ventral, dorsal, or head region of the body while the rat was in a vertical holding condition. Rats emit abundant 50-kHz USVs in response to stroking, and the number of the USVs was not different among these three stimulated regions. Other stimulations, such as light touching of the abdominal area, swinging of the body back and forth, or stroking of the external genitalia under vertical holding condition, produced significantly less 50-kHz USVs. Furthermore, different call subtypes were observed during and after stroking of the ventral region. In particular, "Trill" calls, a representative index of positive emotion, were dominant after stimulation. These results suggest that stroking of the skin induces positive emotional states.
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