Abstract
Since Benjamin Libet’s famous experiments in 1979, the study of the will has become a focal point in the cognitive sciences. Just like Libet, the scientists Daniel Wegner and Thalia Wheatley came to doubt that the will is causally efficacious. In their influential study I Spy from 1999, they created an experimental setup to show that agents erroneously experience their actions as caused by their thoughts. Instead, these actions are caused by unconscious neural processes; the agent’s ‘causal experience of will’ is just an illusion. Both the scientific method and the conclusion drawn from the empirical results have already been criticized by philosophers. In this paper, I will analyze the action performed in the I Spy experiment and criticize more fundamentally the assumption of a ‘causal experience of will’. I will argue that the experiment does not show that the agent’s causal experience of will is illusory, because it does not show that there is a causal experience of will. Against Wegner & Wheatley’s assumption, I will show that it is unlikely that the participants in the I Spy experiment experienced their conscious thoughts as causally efficacious for an action, that they did not perform at all. It is more likely, that they experienced their own bodily movement as causally efficacious for a cooperative action, that they did not perform solely by themselves.
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Notes
- 1.
Consider this passage in the Philosophical Investigations: “When I raise my arm ‘voluntarily’, I do not use any instrument to bring the movement about [...] ‘Willing if it is not a sort of wishing, must be the action itself [...]”’ [14].
- 2.
Each causal relation consists of two objects (agens and patiens) being involved in two separate events; the event of the patiens (effect) is causally dependent on the event of the agens (cause). I will frequently use schemas like this to illustrate the structure of certain causal relations. These schemas should be read in the following way:
$$\begin{aligned} \text {Agens (cause-event)} \rightarrow _{caused} \text {patiens (effect-event)} \end{aligned}$$.
- 3.
Walter also pointed out the unusual indecisiveness of the participants: “If 100 corresponds to ‘I intended to make the stop,’ then a stop that was experienced as intended should receive an average of 100, not of 56. Therefore, the fact that free stops received an average rating of 56 does not show that the correct rating for intended stops is 56, but that the free stops were not perceived as fully intended” [9].
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Reimer, R. (2021). Against the Illusory Will Hypothesis. In: Cleophas, L., Massink, M. (eds) Software Engineering and Formal Methods. SEFM 2020 Collocated Workshops. SEFM 2020. Lecture Notes in Computer Science(), vol 12524. Springer, Cham. https://doi.org/10.1007/978-3-030-67220-1_9
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