The article proposes a new theory of consciousness called "assembly theory," suggesting that consciousness arises not simply from complex arrangements of matter, but from specific combinations of these arrangements, akin to how molecules gain new properties distinct from their constituent atoms. These combinations, termed "assemblies," represent information stored in the structure of molecules, especially within living organisms. The complexity of these assemblies, measurable by their "assembly index," correlates with the level of consciousness. This theory proposes that higher levels of consciousness require more complex and diverse assemblies, implying consciousness could exist in varying degrees across different systems, not just biological ones. It offers a potentially testable framework for identifying and quantifying consciousness through analyzing the complexity of molecular structures and their interactions.
Near-death experiences, often characterized by vivid hallucinations and a sense of peace, are increasingly understood as a natural biological process rather than a mystical or spiritual one. As the brain faces oxygen deprivation and cellular breakdown, various physiological changes can trigger these altered states of consciousness. These experiences, frequently involving visions of deceased loved ones, comforting figures, or life reviews, likely result from the brain's attempt to create order and meaning amid neurological chaos. While culturally interpreted in diverse ways, the underlying mechanisms suggest that these end-of-life experiences are a common human phenomenon linked to the dying brain's struggle to function.
HN commenters discuss the prevalence of end-of-life visions and their potential explanations. Some share personal anecdotes of loved ones experiencing comforting hallucinations in their final moments, often involving deceased relatives or religious figures. Others question the article's focus on the "hallucinatory" nature of these experiences, suggesting that the brain's activity during the dying process might be generating something beyond simply hallucinations, perhaps offering a glimpse into a different state of consciousness. Several commenters highlight the importance of providing comfort and support to dying individuals, regardless of the nature of their experiences. Some also mention the possibility of cultural and societal influences shaping these end-of-life visions. The potential role of medication in contributing to these experiences is also briefly discussed. A few express skepticism, suggesting more research is needed before drawing firm conclusions about the meaning or nature of these phenomena.
End-of-life experiences, often involving visions of deceased loved ones, are extremely common and likely stem from natural brain processes rather than supernatural phenomena. As the brain nears death, various physiological changes, including oxygen deprivation and medication effects, can trigger these hallucinations. These visions are typically comforting and shouldn't be dismissed as mere delirium, but understood as a meaningful part of the dying process. They offer solace and a sense of connection during a vulnerable time, potentially serving as a psychological mechanism to help prepare for death. While research into these experiences is ongoing, understanding their biological basis can destigmatize them and allow caregivers and loved ones to offer better support to the dying.
Hacker News users discussed the potential causes of end-of-life hallucinations, with some suggesting they could be related to medication, oxygen deprivation, or the brain's attempt to make sense of deteriorating sensory input. Several commenters shared personal anecdotes of witnessing these hallucinations in loved ones, often involving visits from deceased relatives or friends. Some questioned the article's focus on the "hallucinatory" nature of these experiences, arguing they could be interpreted as comforting or meaningful for the dying individual, regardless of their neurological basis. Others emphasized the importance of compassionate support and acknowledging the reality of these experiences for those nearing death. A few also recommended further reading on the topic, including research on near-death experiences and palliative care.
Summary of Comments ( 3 )
https://news.ycombinator.com/item?id=43181520
Hacker News users discuss the "Integrated Information Theory" (IIT) of consciousness proposed in the article, expressing significant skepticism. Several commenters find the theory overly complex and question its practical applicability and testability. Some argue it conflates correlation with causation, suggesting IIT merely describes the complexity of systems rather than explaining consciousness. The high degree of abstraction and lack of concrete predictions are also criticized. A few commenters offer alternative perspectives, suggesting consciousness might be a fundamental property, or referencing other theories like predictive processing. Overall, the prevailing sentiment is one of doubt regarding IIT's validity and usefulness as a model of consciousness.
The Hacker News post titled "A New Proposal for How Mind Emerges from Matter" linking to a Noema Magazine article has generated a moderate number of comments, many of which express skepticism or critique the core ideas presented in the article. Several commenters find the proposition vague and lacking in concrete scientific grounding.
One recurring theme in the comments is the perceived lack of a clear definition of "mind" or "consciousness." Commenters point out that without a rigorous definition, it's difficult to evaluate the claims made in the article. They argue that the article relies heavily on philosophical concepts without offering a concrete mechanism for how these concepts translate to physical processes in the brain.
Several commenters critique the article's use of the term "integrated information theory" (IIT). Some argue that IIT, while intriguing, hasn't yet produced empirically testable predictions and therefore remains speculative. Others suggest that IIT might be a sophisticated way of restating the hard problem of consciousness without actually offering a solution.
Some comments express frustration with what they see as a trend of philosophical musings masquerading as scientific breakthroughs in the field of consciousness research. They call for more emphasis on empirical research and less on abstract theorizing.
A few commenters engage with the article's core ideas more directly, suggesting alternative perspectives on the relationship between mind and matter. One commenter proposes that consciousness might be an emergent property of complex systems, similar to how wetness emerges from the interaction of water molecules. Another commenter argues that focusing solely on the brain might be too narrow a perspective, and that consciousness might involve a broader interaction with the environment.
While some express a degree of interest in the article's proposition, the overall tone of the comments is one of cautious skepticism. Many commenters express a desire for more scientific rigor and less philosophical speculation in discussions about the nature of consciousness. They emphasize the need for testable hypotheses and empirical evidence to move the field forward. No single comment emerges as overwhelmingly compelling, but the collective sentiment emphasizes the need for greater clarity and scientific grounding in this complex area of inquiry.