“…These include; (a) homolog connectivity of same-area-same-hemisphere, such as temporal-to-temporal (Djalovski et al, 2021; Kinreich et al, 2017), central-to-central (Djalovski et al, 2021), and frontal-to-frontal connectivity (Azhari et al, 2019; Cui et al, 2012; Kruppa et al, 2021; Pan et al, 2017; Reindl et al, 2018; Wang et al, 2020); (b) cross-hemisphere same-region linkage, such as left temporal to right temporal connectivity; and (c) non-homolog multi-region linkage of same or different hemisphere, such as frontal-to-temporal (Pérez et al, 2017), frontal-to-parietal (Piva et al, 2017), central-to-temporal (Endevelt-shapira et al, 2021; Pérez et al, 2017), central-to-parieto-occipital and centro-parietal and parieto-occipital connectivity (Dumas et al, 2010). Notably, most studies reported right-hemisphere connectivity of homolog or non-homolog regions (Cui et al, 2012; Dumas et al, 2010; Endevelt-shapira et al, 2021; Jahng et al, 2017; Noah et al, 2020; Pan et al, 2017; Sciaraffa et al, 2021), suggesting that the right hemisphere, which matures early (Geschwind and Galaburda, 1985) and is implicated in non-verbal affective processing (Borod et al, 1998), may be particularly sensitive to two-brain communication. Such multiple areas of neural linkage underscore the richness of cross-brain possibilities afforded by naturalistic co-present interactions that may reflect distinct mechanisms triggered by different social goals.…”