Anil Seth

British cognitive and computational neuroscientist. Co-director of the Sackler Centre for Consciousness Science at the University of Sussex, with a joint appointment in the School of Engineering and Informatics. PhD from Sussex in 2000 (on evolution and adaptive behaviour); postdoctoral work at the Neurosciences Institute in San Diego under Gerald Edelman; returned to Sussex in the mid-2000s. The principal theoretical architect of interoceptive inference — the predictive-processing account of body-state monitoring — and one of the leading figures in contemporary consciousness science.

Stake§

Seth's stake is theoretical and public-facing. The predictive- processing programme for consciousness and emotion has been his central research direction since the mid-2010s, and he has built it through journal papers, a substantial collaborative network (Critchley, Garfinkel, Suzuki at Sussex; Klaas Stephan at Zurich on the computational side), and a popular-writing programme — the 2021 trade book Being You: A New Science of Consciousness (Faber & Faber / Dutton) and the 2017 TED talk Your brain hallucinates your conscious reality, which has reached tens of millions of viewers.

Seth's 2013 Trends in Cognitive Sciences paper is the founding theoretical statement of the predictive-processing approach to interoception. The argument inverts the directionality of Craig's direct-readout model: subjective feeling states are not direct readouts of body state but actively-inferred predictions about what the brain's interoceptive afferents should be saying, with prediction errors driving learning and updating. The frame adapts Karl Friston's free-energy principle from the perceptual domain to the body-state-monitoring domain, and sits alongside Barrett and Simmons's constructed-emotion frame as the most active alternative to Craig.

The Sussex collaboration with Hugo Critchley and Sarah Garfinkel has produced the empirical follow-up: the 2015 three-way accuracy/sensibility/awareness distinction, the metacognitive- interoception work that has continued through the 2010s, and the bridge between Seth's theoretical programme and the autonomic-and- emotion work that Critchley has run for two decades. Seth's group at Sussex has been generating specific computational and behavioural tests of interoceptive-inference predictions; the broader Zurich-Sussex axis on predictive interoception is one of the most active subfields in 2025-vintage cognitive neuroscience.

Seth is the figure who brought the predictive-processing framework to bear on consciousness and emotion in a way that has reshaped the conversation. The criticisms — that predictive processing in its broadest form is unfalsifiable, that the public-facing communication has sometimes outrun the empirical case, that Being You makes consciousness sound more solved than the literature warrants — are familiar. They apply to him as they apply to Damasio and Barrett, the other major popular-facing voices in the field. The journal work is where the substance lives.