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