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Summary of number of animals, spines, and synapses analyzed for each group
| Control | Oxygen | Silicon | Helium | TOTAL | |
|---|---|---|---|---|---|
| Spines | |||||
| Animals | 5 | 4 | 4 | 4 | 17 |
| Dendritic segments | 50 | 42 | 45 | 42 | 179 |
| Total spines | 6,275 | 6,497 | 6,265 | 5,312 | 24,349 |
| Synapses | |||||
| Animals | 6 | 4 | 7 | 4 | 21 |
| Total synapses | 4,717 | 2,626 | 3,579 | 2,256 | 13,178 |
| Axons | |||||
| Animals | 6 | 4 | 7 | 4 | 21 |
| Axons | 6,862 | 4,935 | 7,764 | 6,490 | 26,051 |
