Early experience, ultrasonic vocalizations, and maternal responsiveness in rats
β Scribed by Dr. Robert W. Bell; Werner Nitschke; Nancy J. Bell; Thomas A. Zachman
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- English
- Weight
- 462 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0012-1630
No coin nor oath required. For personal study only.
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Prenatally stressed infant rats were separated from their dams and littermates on postnatal Day 14 and their rates of ultrasonic vocalizations (USVs) and myoclonic twitching in response to that separation were recorded. Compared to control pups, prenatally stressed pups vocalized significantly less
## Abstract Sensory and temporal factors have been demonstrated to be involved in the regulation of isolationβinduced ultrasonic vocalizations (USV) of young rats. Sensory cues include thermal, olfactory, and tactile modalities. Temporal factors include the time spent in isolation. The goal of the