Percentages (%) and total number (n) of labeled neurons observed after tracer injections in MIP and PEip
| Injected area | aPEip | pPEip | aMIP | pMIP |
|---|---|---|---|---|
| Case | 73FB | 72DY | 72FB | 73DY |
| Prefrontal | ||||
| 12r, 12l, 12m&12o, 11m&11l, 13,GrFO, 10, 31, 32, 24, 25, 14, 9, 45A&B, 46d, 46v, 8B, 8r&FEF | – | – | – | – |
| Frontal | ||||
| F6 | – | 0.2 | – | – |
| F7 | – | 0.3 | 0.1 | – |
| F3 | 1.4 | 4.9 | 1.6 | 1.3 |
| F2 | 1.2 | 13.4 | 10.9 | 10.2 |
| F5 | 1.5 | 0.7 | 0.2 | 0.5 |
| F4 | 5.0 | 2.9 | – | 0.2 |
| M1 (F1) | 15.6 | 13.5 | 3.8 | 3.7 |
| Cingulate | ||||
| 24c&d | 3.7 | 3.0 | 2.7 | 2.0 |
| 24a&b | – | 0.2 | 0.1 | 0.3 |
| 23a&b | – | – | – | – |
| 23c | 3.7 | 1.6 | 1.2 | 2.3 |
| Somatosensory | ||||
| SI | 7.3 | – | – | – |
| SII | 1.6 | 0.2 | – | – |
| Insular | 1.7 | – | – | – |
| Superior parietal lobule (SPL) | ||||
| PE | 18.3 | 11.1 | 17.8 | 4.1 |
| PEc | 1.1 | 4.2 | 18.2 | 12.5 |
| PEci | 2.2 | 5.3 | 6.1 | 12.9 |
| PGm | – | 1.6 | 7.1 | 0.7 |
| V6A | 0.7 | 10.5 | 7.3 | 22.2 |
| Intraparietal (IPS) | ||||
| PEip | X | X | 13.8 | 16.5 |
| MIP | 5.1 | 12.9 | X | X |
| AIP | 6.3 | 0.5 | – | 0.2 |
| VIP | 5.5 | 2 | 0.7 | 1.3 |
| LIP | – | – | – | – |
| Inferior parietal lobule (IPL) | ||||
| PF | 0.7 | – | – | – |
| PFG | 3.8 | 2.4 | 1.1 | 0.8 |
| PG | 0.7 | 3.4 | 3.6 | 4.3 |
| Opt | – | – | – | – |
| PGop | 11.7 | 4.2 | 2.8 | 3.9 |
| Temporal | ||||
| MST | 1 | 0.8 | 0.7 | – |
| MT | – | – | – | – |
| Tpt | 0.2 | – | 0.1 | – |
| Total number of labelled cells (n) | 20,556 | 62,312 | 21,927 | 61,135 |
Injection sites are sorted relative to their A-P position along the db-IPS, to better display the gradient-like distribution of their projections (–, labeling < 0.1% or no labeling). No cell counts are reported for the areas containing the injection sites (X).