As the Buddha showed, clinging gives birth to the I. The I, in turn, keeps puffing itself up by further clinging. When we understand that this generates nothing but suffering, we are ready to unlearn the I, that is the "Me."
Contact brings impressions into the heart, which gets retrained at an involuntary level and affect our immediate response to life in terms of fear, mistrust, desire. There are ways of clearing this—the result is joy.
An aspect of our Kammic patterning is the mode of consciousness that is selected to process experience—normally this is visual or conceptual. If we use the tactile consciousness it has an emotive resonance and truer response.