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Number of neuro-insular complexes during various stages of human development (mean ± SEM).
| N of fetuses | Fields of observation | NIC I | NIC II | |
|---|---|---|---|---|
| Prefetal period (gw 10–12) | 7 | 7 | 0.0000 ± 0.0000 | 0.0000 ± 0000 |
| Early fetal period (gw 13–20) | 16 | 55 | 0.3272 ± 0.0901 | 1.0909 ± 0.1765 |
| Middle fetal period (gw 21–28) | 6 | 41 | 0.4878 ± 0.0995 | 1.3170 ± 0.2049 |
| Late fetal period (gw 29–40) | 4 | 24 | 0.2609 ± 0.0936 | 3.6087 ± 0.4434 |
| Adults | 15 | 105 | 0.0694 ± 0.0302 | 0.3889 ± 0.0701 |
