The firing of individual nerve cells involved in perceptual and motor processing is modified by attention and decision making. - Eric Kandel

What is learning but a set of sensory signals from the environment, with different forms of learning resulting from different types or patterns of sensory signals?

Having been trained in history and the humanities, where one learns early on how depressing life can be, I am delighted to have ultimately switched to biology, where a delusional optimism still abounds.

Mountcastle discovered that tactile sensation is made up of several distinct modalities; for example, touch includes... hard pressure on the skin as well as a light brush... He found that each distinct submodality has its own private pathway within the brain and that this segregation is maintained at each relay...