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The Case for Octopus Consciousness: Valence.

Jennifer Mather1

  • 1Department of Psychology, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada; mather@uleth.ca.

Neurosci
|November 1, 2024
PubMed
Summary
This summary is machine-generated.

Octopuses exhibit consciousness indicators like learning and emotional responses, valuing food and shelter while avoiding pain and uncertainty. This suggests a neural basis for consciousness, distinct from vertebrates.

Keywords:
cephalopodconsciousnessoctopusvalence

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Area of Science:

  • Neuroscience
  • Animal Behavior
  • Cognitive Science

Background:

  • The Cambridge Declaration of Consciousness suggests some invertebrates may possess consciousness.
  • Understanding consciousness in non-vertebrate species is crucial for a comprehensive view of cognition.

Purpose of the Study:

  • To explore the neural basis for consciousness in octopuses.
  • To investigate octopus affective states (valence) and their impact on behavior.

Main Methods:

  • Behavioral observation and analysis of octopus responses to various stimuli.
  • Evaluation of learning, choice-making, and responses to pain and uncertainty.

Main Results:

  • Octopuses demonstrate positive valence towards food, showing learning and flexible choices.
  • They value and adapt shelter, and exhibit negative valence towards pain and uncertainty.
  • Behaviors such as exploration and play suggest a negative valuation of uncertainty.

Conclusions:

  • Octopuses display key features suggesting a neural basis for consciousness, including affective evaluation.
  • Their consciousness, while present, likely differs in complexity from that of vertebrates.