Table 5.

The top 20 keywords of the co-occurrence frequency.

Number	Keyword	Count	Centrality
1	Video game	98	0.07
2	Health	88	0.08
3	Children	87	0.22
4	Virtual reality	69	0.07
5	Physical activity	69	0.14
6	Adolescent	65	0.10
7	Intervention	63	0.03
8	Performance	58	0.09
9	Rehabilitation	51	0.05
10	Serious game	51	0.00
11	Older adult	47	0.07
12	Education	45	0.08
13	Meta analysis	41	0.05
14	Exercise	40	0.10
15	Technology	37	0.03
16	Game	37	0.04
17	Adult	36	0.12
18	Care	35	0.05
19	Simulation	35	0.03
20	Design	34	0.06