What happens in the case of light is equally true of sound and tactualsensation.
2
The tactualsensations are meager and faint, and muscular tensions have not yet had time to arise.
3
The same is true of sounds, of tactualsensations, of every other sensible obstacle to pure activity.
4
Similarly, subjective tactualsensations may give rise to gross illusions, as when a patient "feels" his body attacked by foul and destructive creatures.