“…However, the Y-BOCS-11 sub-scale was linked to reduced insight into obsessive-compulsive symptoms among patients with comorbidity [ 74 , 76 ]. Notably, in individuals with BD, the co-occurrence of OCD was more likely to manifest during mixed manic for a few studies [ 64 , 77 ], mixed state in one case [ 101 ], and depressive episodes for many others [ 41 , 51 , 62 , 101 ]. Several types of obsessions were found to be positively associated with BD-OCD comorbidity, including sexual [ 75 , 81 , 82 , 92 ], symmetry [ 57 , 59 , 102 ], aggressive [ 59 , 92 ], religious [ 81 , 92 ], contamination [ 59 , 62 , 64 , 92 ], forbidden thoughts [ 40 ], saving [ 110 ], and hoarding obsessions [ 57 , 75 , 113 , 115 , 116 ].…”