You know, had efferent, afferent, and haptic response.

Some advanced, haptic, systems now include tactile information, generally known as force feedback in medical, gaming and military applications.

And he's sitting there in front of the Haptic device, the force feedback system, and he's moving his pen towards the heart, and the heart is now beating in front of him, so he can see how the heart is beating.

The workstation provides a multitude of data including magnetic resonance imaging (MRI), a three dimensional image of the surgical field, sonic information, and quantifiable haptic (or tactile) feedback from tool tissue interaction that enable the surgeon to experience the surgery through sight, sound, and touch.