Table 2.

Metrics of the 5 clusters identified with the Document Co-citation Analysis (DCA).

Cluster ID	Size	Silhouette	Mean year	LLR label	Proposed label
0	73	0.988	2012	Affiliative neuroscience approach	Towards bio-behavioral synchrony
1	62	0.995	2016	Studying parent-child interaction	Neural attunement
2	53	0.985	2008	Oxytocin pathway	Behavioral synchrony
15	24	0.98	2013	Autism spectrum disorder	Social cognition in autism
20	16	0.985	2012	Oxytocin pathway	Social neuroscience and hyperscanning