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Conscious birds.

Gianmarco Maldarelli1, Onur Güntürkün1

  • 1Department of Biopsychology, Institute of Cognitive Neuroscience, Faculty of Psychology, Ruhr University Bochum, Bochum, Nordrhein-Westfalen, Germany.

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
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PubMed
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This summary is machine-generated.

Consciousness may be a basic cognitive process, not unique to humans. Birds show evidence of sensory awareness and possess the neural structures potentially supporting consciousness, aligning with theories like the Global Neural Workspace Theory.

Keywords:
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Area of Science:

  • Comparative Cognition
  • Neuroscience
  • Evolutionary Biology

Background:

  • Consciousness is often viewed as a uniquely human trait, representing a peak in evolution.
  • This perspective overlooks the possibility that consciousness is a more fundamental cognitive process.
  • Such a process could potentially be shared across diverse animal phyla.

Purpose of the Study:

  • To investigate the potential for consciousness in non-human animals, specifically birds.
  • To examine the behavioral and neurobiological evidence supporting avian consciousness.
  • To evaluate this evidence against prominent theories of consciousness.

Main Methods:

  • Review of existing behavioral studies on avian cognition and awareness.
  • Analysis of recent neurobiological and neuroanatomical data from avian brains.
  • Discussion of findings in the context of the Global Neural Workspace Theory (GNWT), Recurrent Processing Theory (RPT), and Integrated Information Theory.

Main Results:

  • Growing evidence suggests birds possess sensory awareness and self-awareness.
  • Avian brains exhibit neural architectures that may be prerequisites for consciousness.
  • Neurophysiological and anatomical features of bird brains align with GNWT and RPT requirements.

Conclusions:

  • The findings suggest consciousness is a more basic cognitive process than previously assumed.
  • Birds demonstrate key characteristics that align with theoretical frameworks for consciousness.
  • Further research is needed, but avian brains present a compelling model for studying the evolutionary basis of consciousness.