Table 4.
Mean normalized volumes of subcortical structures between participants
| Hemisphere | Structure | PD-RBD | PD-nRBD | Controls |
|---|---|---|---|---|
| Left | Amygdala | 1822.9 (430.9) | 1915.7 (274.5) | 1824.9 (259.4) |
| Caudate nucleus | 4023.6 (568.0) | 4382.2 (576.5) | 4318.9 (365.7) | |
| Hippocampus | 4585.9 (753.2) | 5064.3 (663.3) | 5140.1 (654.1) | |
| Nucleus accumbens | 583.6 (141.8) | 688.0 (110.9) | 691.3 (105.0) | |
| Pallidum | 2185.6 (295.6) | 2271.8 (207.6) | 2408.9 (400.4) | |
| Putamen | 5585.2 (527.8) | 6417.6 (632.5) | 6350.1 (584.6) | |
| Thalamus | 9553.8 (998.2) | 10453.9 (859.5) | 10205.6 (792.5) | |
| Right | Amygdala | 1848.6 (278.5) | 1944.1 (354.3) | 1928.8 (293.8) |
| Caudate nucleus | 4344.2 (560.8) | 4600.2 (541.0) | 4505.5 (360.0) | |
| Hippocampus | 4857.8 (568.0) | 5091.9 (793.2) | 5291.9 (644.7) | |
| Nucleus accumbens | 430.2 (148.6) | 544.3 (140.6) | 557.6 (121.2) | |
| Pallidum | 2254.8 (215.5) | 2350.7 (314.8) | 2515.0 (422.1) | |
| Putamen | 5618.2 (621.9) | 6408.7 (663.6) | 6582.2 (524.3) | |
| Thalamus | 9458.6 (893.3) | 10123.6 (796.5) | 9932.1 (858.8) |
Mean volumes are given in mm3 (standard deviation).
PD-RBD = Parkinson’s disease with REM sleep behavior disorder; PD-nRBD = PD without RBD.