12.10.2022 Maria Willadsen successfully defends her Ph.D.
![](https://www.uni-marburg.de/en/fb04/rtg-2271/news-and-upcoming-events/news-1/img_5116.jpeg/@@images/image/_unimr_preview)
Maria Willadsen has successfully defended her Ph.D. Thesis titled “Anxiety and Fear in the Rat - on the Influence of Situation-specific and Biological Factors on the Spectrum of Ultrasonic Vocalizations"
Maria was supervised by Prof. Dr. Marcus Wöhr.
Congratulation, Maria!