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Sentient plants? Nervous minds?

Arthur S. Reber

Animal Sentience August 3, 2026 DOI: 10.51291/2377-7478.1307 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Commentary Peer reviewed
Topics Philosophy of mind
Keywords Evolution Cognitive neuroscience Zoology Cognition and perception Life sciences
Key points The author responds to two critiques of a 2016 target article on the distribution of sentience. Calvo contends plants are likely sentient and that the author shows zoocentric bias; Mallatt and Feinberg contend the author grants sentience too readily to species without nervous systems. The author concedes the lack of supporting data and offers a partial remedy, while disputing that evolutionary biology was misunderstood.

Abstract

The commentaries by Calvo (2018) and Mallatt & Feinberg (2017) on my 2016 target branch out from a common conceptual node like forks in a road. Calvo criticizes me for not acknowledging that plants too are likely to be sentient and claims I have fallen into the kind of category error of which I accuse others ─ a zoocentric bias that fails to grant consciousness to flora. Mallatt & Feinberg maintain that I've gone too far in granting sentience to any species that lacks a nervous system. Calvo makes some good points but there are other issues concerning plant sentience such as metabolic cost and ethical implications. Mallatt & Feinberg take me to task for failing to provide supporting data. They are right, and a partial remedy is offered. They also imply that I have misunderstand basic principles of evolutionary biology. I think they have misunderstood my position.

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