Table 2. Classification results for two classes—control and late mild cognitive impairment.

The best results for each test metric is indicated in bold italics.

Model	Train accuracy	Validation accuracy	Test accuracy	Test sensitivity	Test specificity
Siamese 3D	0.7656	0.8021	0.7578	0.5156	0.5156
ViT	0.7656	0.9070	0.8056	0.6870	0.6530
DenseNet	0.9984	0.8385	0.7031	0.6991	0.6633
EfficientNet B7	0.7375	0.8177	0.7734	0.5833	0.5833