Tuomas K. Pernu (2018), Synthese 195(12), 5159–5174 (S.I.: Neuroscience and its Philosophy) — DOI-10.1007/s11229-018-1713-z
Key takeaways
- Neuroprosthetics does not support nonreductive physicalism. The redundancy that interventionist arguments exploit (many single-neuron patterns realising one ensemble state) is multiple realisation of a cortical, physical variable, not of the mental state, so BCIs illustrate mental causation only in the deflationary sense that the mental is identical to the neural.
Seeded from the abstract and a skim, before the reading in NOTE-091. What follows is what the work says about itself.
Several authors (List and Menzies, Menzies, Woodward) have cited research on brain–computer interfaces as evidence that mental states are genuinely causally efficacious. Pernu reviews the problem of mental causation, the difference-making (interventionist) response, and how neuroprosthetics works. He grants that neuroprosthetics can be read as supporting mental causation, but only if the mental is identified with the neural. So, contrary to what these arguments assume, neuroprosthetics cannot ground nonreductive physicalism, and if anything it illustrates mind–brain identity.
Standing in the record
Filed from the 2026-09-26 sweep of the papers-feed tracker for philosophy: 20 seconds of active reading over 1 session. It was filed Deferred, unread. NOTE-091 is the close reading of 2026-09-26, and it placed the work: Active — Worth reading as a short, precise diagnosis of a specific equivocation in the interventionist BCI argument (multiple realisation at the wrong level). Its scope is limited to difference-making with a proportionality constraint (fn 1), and its identity conclusion rests on a simplified picture of neural decoding that it asserts rather than argues.
When seeded, before the reading in NOTE-091, the entry gave a priority for a deeper reading: low — t=20 s. The argument is tight and fully captured by the skim.
What the seeding asked a deeper reading to check (NOTE-091 is that reading):
- A precise tool for any note on levels of description and causal claims about intentional states, including talk about the “intentions” of ML systems read off from internal activations. The argument form (multiple realisation located at the wrong level) transfers.
- Check whether Woodward (2017) or List and Menzies have replied, and whether the argument depends on a particular reading of “cortical-level variable”.
- It links to LIT-138 (Register on BCIs and the moral body) as a second BCI-anchored philosophy paper in this batch.
Access when seeded: Full open-access PDF (CC BY, 16 pp.) from link.springer.com, fetched with a non-browser user agent. Read the abstract, §1 Introduction, section heads, the core of §4, the start of §5 and Fig. 2, and §6 Conclusion. “Published online: 21 February 2018” per the PDF header and Crossref.