Anatomy of the brain. The fornix (green), the indusium griseum (dark green), the thalamus (blue), the hippocampus (purple), the amygdala (pink), the mammillary body (dark yellow), the hypothalamus (dark blue), the olfactory bulbs (light green), the cingulate cortex (blue). The cerebral cortex : the prefrontal lobe (yellow), the frontal lobe (orange), the motor cortex (red), the sensory cortex (pink), parietal cortex (green), the occipital lobe (light blue).