DRD2 and Autoimmunity: D2R‐specific T cells were detected in 35% (6/17) of patients with neurodevelopmental aetiology and in 29% (2/7) of patients with suspected autoimmunity, and thus, most of the eight patients with D2R‐specific T cells had a neurodevelopmental aetiology (6/8; 75%; Table 1 and Figure 1d).