PSYB51H3 Lecture Notes - Lecture 11: Spinothalamic Tract, Haptic Perception, Phantom Pain
Document Summary
Touch: mechanical displacements and other physical impacts on the skin. Somatosensation: a collective term for sensory signals from the body. It can be on other places not just skin, but we will mainly focus on the skin. Haptic perception is something very new an important motor perception to touch. Touch perception has something to do with actively moving our hands for instance. It is involving motor action in order to have a more acute perception of touch. Use pen to poke on something with eyes closed and guess what it is. When we do that we can tell some details about it. But if we actually touch it even with our eyes closed, we can tell. But even when we were holding the pen, we were only holding the pen. But our brain was able to put facts together, and give us a very good idea of the texture, consistency and shape.
