TABLE 3.
Categories | Methods | Examined Features | In Vivo | References |
---|---|---|---|---|
Behavior tests | SAS | Light-dark discrimination | Yes | 21,35,41 |
Light threshold (shock) | ||||
Light-avoidance test | Light-dark discrimination | Yes | 39 | |
OKT | Visual acuity | Yes | 16,19,45 | |
Contrast sensitivity | ||||
Electrophysiology | VGS | Eye movement: latency, amplitude, and peak velocity | Yes | 43 |
ERG | Electrical activity of retina in response to light stimulation | Yes | 19 | |
MEA-based mERG (micro-ERG) | Local electrical potential changes evoked by light | No | 41,40,43,37 | |
SC recording | Spike counts after light stimulus (different light intensity) | Yes | 16,19,45 | |
Correlate visual responses in SC to certain retinal areas | ||||
Graft differentiation, integration and synaptogenesis | SDOCT | Location and overview of transplant | Yes | 16,19,45 |
Graft thickness | ||||
FAOSLO | Survival, migration, and neurite outgrowth of fluorescent labeled transplant cells | Yes | 38 | |
IHC | Labels specific proteins in tissue to reveal certain cell types, synapses and the overall structure of transplant and host | No | Almost all transplantation research projects applied this technique |
ERG indicates electroretinogram; FAOSLO, fluorescence adaptive optics scanning light ophthalmoscopy; IHC, Immunohistochemistry; MEA, microelectrode array; OKT, optokinetic test; SAS, shuttle-avoidance system; SC, superior colliculus; SDOCT, spectral-domain optical coherence tomography; VGS, visually guided saccades.