The parietal lobe also sits above the temporal lobe, with the Sylvian fissure, or lateral sulcus, separating the two. The occipital lobe is behind and slightly underneath the parietal lobe.

The exact role of posterior parietal cortex (PPC) in visually directed reaching is unknown. We propose that, by building an internal representation of instantaneous hand location, PPC computes a ...

To make judgments about an unknown sensory stimulus based on prior knowledge is a basic decision process, called perceptual decision-making. The posterior parietal cortex (PPC), one of the higher ...