Page 8 - Emotions through the eyes of our closest living relatives- Exploring attentional and behavioral mechanisms

Acknowledgments
My Ph.D. journey would not have been made possible without the support of many dear friends and colleagues. Regardless of whether you find your name down below, I want to express my sincere gratitude for your support. I want to especially thank the following people:
Mariska Kret, thank you for being a great teacher, for giving me opportunities that I thought to be unreachable. I admire your perseverance, ambition, and your unyielding support of women in science. Thank you, Jorg Massen, for your kindness and support during my Master’s and my Ph.D. Your critical and creative thinking has been an inspiration to me and helped me elevate my work to a higher level. Daan Laméris, thank you for your emotional and intellectual support, and your open- minded attitude. Your help in testing the orangutans across multiple studies has been invaluable. I am very proud of our work together. Alejandra Díaz-Loyo and Oscar Juárez-Mora, I am grateful for your fantastic collaboration on the orangutan yawning project. Your help has been crucial to the success of the project and thanks to you and Jorg, the project was able to continue during my sick leave.
My paranymphs Tom Roth and Iliana Samara; your wittiness and humor always make my day. I thank both of you for your immense support, your kindness, creativity, and your pragmatism. I learned so much from you, and you really helped me improve my writing and analysis skills. Thank you, Friederike Behrens-Scholten, for your never-ending enthusiasm, your keen eye for detail, and your help during difficult times. You light up the room like no other! Joyce Snijdewint, thank you for being such a kind-hearted person and a great friend. Thank you for always listening and offering help where you can. Your perseverance is inspiring to me. Yena Kim and Julia Folz, I highly enjoyed our karaoke nights to wind down from work. Julia, I loved your daily tea quotes on the whiteboard pre-corona times, and Yena, your cooking skills are simply amazing. Your down-to-earth attitude and insightful comments have been very helpful in my work. Tonko Zijlstra, thank you for your humor and your warmhearted spirit that kept things fun and light during work in the pandemic. Linda Jaasma, your training of the bonobos has been crucial to the success of several of my studies. Thank you for building the foundation that was necessary to succeed.
I also sincerely thank the Apenheul caretakers; Jacqueline Ruijs, Rudy Berends, Keetie de Koeier, Iris Schapelhouman, Grietje Grootenhuis, Carolijn de Jong, Roan de Boer, Bianca Klein, Frank Rijsmus, Cora Schout, Tijs Swennenhuis, and Martine Verheij. Without your time, support, and patience, these studies would not have