Table 2.
Studies investigating hemispheric asymmetries in foetuses during pregnancy
| Structural asymmetries in the gestational period | ||||
|---|---|---|---|---|
| Authors, year | Technique | Age at recording | Participant number | Study design |
| Hering-Hanit et al. (2001) | US | 20–22 GA | 102 | Right/left within-subjects comparison |
| Kivilevitch et al. (2010) | US | 19–28 GA | 406 | Right/left within-subjects comparison |
| Kasprian et al. (2011) | 1.5 T MRI | 18–37 GA | 197 |
Right/left within-subjects comparison Age between-subjects comparison |
| Rajagopalan et al. (2011) | 1.5 T MRI | 20–28 GA | 38 |
Right/left within-subjects comparison Age between-subjects comparison |
| Scott et al. (2011) | 1.5 T MRI | 20.57–31.14 GA | 39 |
Right/left within-subjects comparison Age between-subjects comparison |
| Habas et al. (2012) | 1.5 T MRI | 20–28 GA | 38 |
Right/left within-subjects comparison Age between-subjects comparison |
| Rajagopalan et al. (2012) | Tensor-based morphometry | 20.57–27.86 GA | 38 (40 scans) |
Right/left within-subjects comparison Age between-subjects comparison |
| Song et al. (2015) | 3 T MRI HARDI | 15 GA–3 years | 23 (11 post-mortems, 12 foetuses) |
Right/left within-subjects comparison Age between-subjects comparison |
| Andescavage et al. (2017) | 1.5 T MRI | 18–39 GA | 166 |
Right/left within-subjects comparison Age between-subjects comparison |
| Vasung et al. (2019) | 3 T MRI | 16.43–36.86 GA | 42 | Right/left within-subjects comparison |
| Functional asymmetries in the gestational period | ||||
| Schleussner et al. (2004) |
MEG 500 Hz |
3rd trimester | 38 (53 scans) | Right/left within-subjects comparison |
GA gestational age, HARDI high-angular resolution diffusion, MEG magnetoencephalography, MRI magnetic resonance imaging, US ultrasound sonography