| Descartes builds on a familiar argument in the history of philosophy, an appeal to the involuntariness of sensory ideas. |
| In other words, it was the involuntariness of a subject's behavioral response which characterized it as being a hypnotic response. |
| But the falling man's unfreedom with respect to the act of falling is not explained by the involuntariness of his falling. |
| Still, in such situations, the relevant psychological states probably do not obtain across the board and any presumption about involuntariness should remain defeasible. |
| Tolstoy is the great novelist of physical involuntariness. |
| Second, it helps demarcate many types of involuntariness that historically have raised concerns. |
