Tests for consciousness in humans and beyond

Tim Bayne, Anil K. Seth, Marcello Massimini, Joshua Shepherd, Axel Cleeremans, Stephen M. Fleming, Rafael Malach, Jason B. Mattingley, David K. Menon, Adrian M. Owen, Megan A.K. Peters, Adeel Razi, Liad Mudrik

Research output: Contribution to journalReview articlepeer-review

Abstract

Which systems/organisms are conscious? New tests for consciousness (‘C-tests’) are urgently needed. There is persisting uncertainty about when consciousness arises in human development, when it is lost due to neurological disorders and brain injury, and how it is distributed in nonhuman species. This need is amplified by recent and rapid developments in artificial intelligence (AI), neural organoids, and xenobot technology. Although a number of C-tests have been proposed in recent years, most are of limited use, and currently we have no C-tests for many of the populations for which they are most critical. Here, we identify challenges facing any attempt to develop C-tests, propose a multidimensional classification of such tests, and identify strategies that might be used to validate them.

Original languageEnglish
Pages (from-to)454-466
Number of pages13
JournalTrends in Cognitive Sciences
Volume28
Issue number5
Early online date13 Mar 2024
DOIs
StatePublished - May 2024

Keywords

  • animal consciousness
  • artificial intelligence
  • disorders of consciousness
  • fetal consciousness
  • infant consciousness
  • neural organoids
  • test for consciousness

All Science Journal Classification (ASJC) codes

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

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