OXT and autism spectrum disorder: Altered oxytocin levels have been previously reported in a number of psychiatric disorders, including autism spectrum disorder (Huang et al., 2021; John and Jaeggi, 2021), borderline personality disorder (Bertsch et al., 2013; Carrasco et al., 2020), post-traumatic stress disorder (Carmassi et al., 2021; Donadon et al., 2018), schizophrenia (Hernández-Díaz et al., 2021; Strauss et al., 2019), social anxiety (Schneider et al., 2021) as well as in children with adverse childhood experiences (Ellis et al., 2021).