Table 3.
Main characteristics of the twenty-two keywords with the generated citation burstness metrics in the Keywords Analysis.
| Reference | Strength of Burstness | Beginning of Burstness | End of Burstness | Burst Duration |
|---|---|---|---|---|
| support | 49.07 | 1979 | 1995 | 16 |
| metabolism | 42.12 | 2015 | 2020 | 5 |
| physiology | 33.13 | 2015 | 2020 | 5 |
| central nervous system | 28.94 | 1978 | 1987 | 9 |
| hypothalamus | 24.34 | 1972 | 1993 | 21 |
| medial preoptic area | 14.02 | 2010 | 2020 | 10 |
| maternal behavior | 11.07 | 2016 | 2018 | 2 |
| pregnancy | 10.05 | 1978 | 1985 | 7 |
| male | 8.59 | 2018 | 2020 | 2 |
| protein expression | 7.90 | 2002 | 2010 | 8 |
| preoptic area | 7.82 | 2004 | 2008 | 4 |
| rat | 7.15 | 1977 | 1999 | 22 |
| estradiol | 6.55 | 1987 | 1989 | 2 |
| radioisotope | 6.54 | 1984 | 1990 | 6 |
| animal tissue | 5.57 | 2009 | 2011 | 2 |
| endocrine system | 5.37 | 1982 | 1984 | 2 |
| ovariectomy | 5.24 | 1987 | 1989 | 2 |
| theoretical study | 4.82 | 1974 | 1977 | 3 |
| histology | 4.67 | 1980 | 1982 | 2 |
| aging | 4.55 | 1978 | 1989 | 12 |
| brain | 4.24 | 1987 | 1988 | 1 |
| animal cell | 3.92 | 1987 | 1989 | 2 |