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  1. The Case Against Organoid Consciousness.Tim Bayne & James Croxford - 2024 - Neuroethics 17 (1):1-15.
    Neural organoids are laboratory-generated entities that replicate certain structural and functional features of the human brain. Most neural organoids are disembodied—completely decoupled from sensory input and motor output. As such, questions about their potential capacity for consciousness are exceptionally difficult to answer. While not disputing the need for caution regarding certain neural organoid types, this paper appeals to two broad constraints on any adequate theory of consciousness—the first involving the dependence of consciousness on embodiment; the second involving the dependence of (...)
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  • Animus: human-embodied animals.Julian Savulescu & Tsutomu Sawai - forthcoming - Journal of Medical Ethics.
    We review recent research to introduce human brain organoids into the brains of infant rats. This research shows these organoids integrate and function to affect behaviour in rats. We argue that this raises issues of moral status that will imminently arise and must be addressed through functional studies of these new life forms. We situate this research in the broader context of the biological revolution, arguing we already have the technological power to create fully human embodied animals. This raises profound, (...)
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  • The Donation of Human Biological Material for Brain Organoid Research: The Problems of Consciousness and Consent.Masanori Kataoka, Christopher Gyngell, Julian Savulescu & Tsutomu Sawai - 2024 - Science and Engineering Ethics 30 (1):1-15.
    Human brain organoids are three-dimensional masses of tissues derived from human stem cells that partially recapitulate the characteristics of the human brain. They have promising applications in many fields, from basic research to applied medicine. However, ethical concerns have been raised regarding the use of human brain organoids. These concerns primarily relate to the possibility that brain organoids may become conscious in the future. This possibility is associated with uncertainties about whether and in what sense brain organoids could have consciousness (...)
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  • Bioethics Should Not Be Constrained by Linguistic Oddness or Social Offense.Julian Savulescu, Neera Bhatia, Tessa Holzman & Julian Koplin - 2024 - American Journal of Bioethics 24 (1):15-18.
    Blumenthal-Barby (2024) argues that bioethicists should stop using the concept of "personhood" in both well-established bioethics debates (e.g., regarding cognitive disability) and emerging ones (e...
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  • Sentience, Vulcans, and Zombies: The Value of Phenomenal Consciousness.Joshua Shepherd - forthcoming - AI and Society:1-11.
    Many think that a specific aspect of phenomenal consciousness – valenced or affective experience – is essential to consciousness’s moral significance (valence sentientism). They hold that valenced experience is necessary for well-being, or moral status, or psychological intrinsic value (or all three). Some think that phenomenal consciousness generally is necessary for non-derivative moral significance (broad sentientism). Few think that consciousness is unnecessary for moral significance (non-necessitarianism). In this paper I consider the prospects for these views. I first consider the prospects (...)
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  • The Ethics of Human Brain Organoid Transplantation in Animals.Tsutomu Sawai, Julian Savulescu, Christopher Gyngell & Masanori Kataoka - 2023 - Neuroethics 16 (3):1-15.
    In this paper, we outline how one might conduct a comprehensive ethical evaluation of human brain organoid transplantation in animals. Thus far, ethical concerns regarding this type of research have been assumed to be similar to those associated with other transplants of human cells in animals, and have therefore not received significant attention. The focus has been only on the welfare, moral status, or mental capacities of the host animal. However, the transplantation of human brain organoids introduces several new ethical (...)
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  • Potential Consciousness of Human Cerebral Organoids: on Similarity-Based Views in Precautionary Discourse.Sarah Diner - 2023 - Neuroethics 16 (3):1-8.
    Advances in research on human cerebral organoids (HCOs) call for a critical review of current research policies. A challenge for the evaluation of necessary research regulations lies in the severe uncertainty about future trajectories the currently very rudimentary stages of neural cell cultures might take as the technology progresses. To gain insights into organotypic cultures, ethicists, legal scholars, and neuroscientists rely on resemblances to the human brain. They refer to similarities in structural or functional terms that have been established in (...)
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  • Ethical Implications in Making Use of Human Cerebral Organoids for Investigating Stress—Related Mechanisms and Disorders.Katherine Bassil & Dorothee Horstkötter - 2023 - Cambridge Quarterly of Healthcare Ethics 32 (4):529-541.
    The generation of three-dimensional cerebral organoids from human-induced pluripotent stem cells (hPSC) has facilitated the investigation of mechanisms underlying several neuropsychiatric disorders, including stress-related disorders, namely major depressive disorder and post-traumatic stress disorder. Generating hPSC-derived neurons, cerebral organoids, and even assembloids (or multi-organoid complexes) can facilitate research into biomarkers for stress susceptibility or resilience and may even bring about advances in personalized medicine and biomarker research for stress-related psychiatric disorders. Nevertheless, cerebral organoid research does not come without its own set (...)
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  • On the Legal Status of Human Cerebral Organoids: Lessons from Animal Law.Joshua Jowitt - 2023 - Cambridge Quarterly of Healthcare Ethics 32 (4):572-581.
    This paper will ask whether the legal status presently afforded to nonhuman animals ought to influence regulatory debates concerning human cerebral organoids. The New York Courts recently refused to grant a writ of habeas corpus to Happy the Elephant as she was property rather than a legal person while at the same time accepting that she is a moral patient deserving of rights protection. An undesirable situation has therefore arisen in which the law holds a being with moral status to (...)
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  • Human Brain Organoids: Why There Can Be Moral Concerns If They Grow Up in the Lab and Are Transplanted or Destroyed.Andrea Lavazza & Massimo Reichlin - 2023 - Cambridge Quarterly of Healthcare Ethics 32 (4):582-596.
    Human brain organoids (HBOs) are three-dimensional biological entities grown in the laboratory in order to recapitulate the structure and functions of the adult human brain. They can be taken to be novel living entities for their specific features and uses. As a contribution to the ongoing discussion on the use of HBOs, the authors identify three sets of reasons for moral concern. The first set of reasons regards the potential emergence of sentience/consciousness in HBOs that would endow them with a (...)
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  • Consciousness in a Rotor? Science and Ethics of Potentially Conscious Human Cerebral Organoids.Federico Zilio & Andrea Lavazza - 2023 - American Journal of Bioethics Neuroscience 14 (2):178-196.
    Human cerebral organoids are three-dimensional biological cultures grown in the laboratory to mimic as closely as possible the cellular composition, structure, and function of the corresponding organ, the brain. For now, cerebral organoids lack blood vessels and other characteristics of the human brain, but are also capable of having coordinated electrical activity. They have been usefully employed for the study of several diseases and the development of the nervous system in unprecedented ways. Research on human cerebral organoids is proceeding at (...)
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  • Sims and Vulnerability: On the Ethics of Creating Emulated Minds.Bartek Chomanski - forthcoming - Science and Engineering Ethics.
    It might become possible to build artificial minds with the capacity for experience. This raises a plethora of ethical issues, explored, among others, in the context of whole brain emulations (WBE). In this paper, I will take up the problem of vulnerability – given, for various reasons, less attention in the literature – that the conscious emulations will likely exhibit. Specifically, I will examine the role that vulnerability plays in generating ethical issues that may arise when dealing with WBEs. I (...)
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  • Non-Human Moral Status: Problems with Phenomenal Consciousness.Joshua Shepherd - 2023 - American Journal of Bioethics Neuroscience 14 (2):148-157.
    Consciousness-based approaches to non-human moral status maintain that consciousness is necessary for (some degree or level of) moral status. While these approaches are intuitive to many, in this paper I argue that the judgment that consciousness is necessary for moral status is not secure enough to guide policy regarding non-humans, that policies responsive to the moral status of non-humans should take seriously the possibility that psychological features independent of consciousness are sufficient for moral status. Further, I illustrate some practical consequences (...)
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  • Citizen and Patient Participation in Precision Medicine: Epilepsy Treatment Using Brain Organoids Derived from iPS Cells.Eisuke Nakazawa & Akira Akabayashi - 2022 - American Journal of Bioethics Neuroscience 13 (2):138-140.
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  • Human Brain Organoids and Consciousness.Takuya Niikawa, Yoshiyuki Hayashi, Joshua Shepherd & Tsutomu Sawai - 2022 - Neuroethics 15 (1):1-16.
    This article proposes a methodological schema for engaging in a productive discussion of ethical issues regarding human brain organoids, which are three-dimensional cortical neural tissues created using human pluripotent stem cells. Although moral consideration of HBOs significantly involves the possibility that they have consciousness, there is no widely accepted procedure to determine whether HBOs are conscious. Given that this is the case, it has been argued that we should adopt a precautionary principle about consciousness according to which, if we are (...)
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  • Neural Organoids and the Precautionary Principle.Jonathan Birch & Heather Browning - 2021 - American Journal of Bioethics 21 (1):56-58.
    Human neural organoid research is advancing rapidly. As Greely notes in the target article, this progress presents an “onrushing ethical dilemma.” We can’t rule out the possibility that suff...
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  • Testing the Correlates of Consciousness in Brain Organoids: How Do We Know and What Do We Do?Rachel A. Ankeny & Ernst Wolvetang - 2021 - American Journal of Bioethics 21 (1):51-53.
    What consciousness exactly is remains an unsettled issue among both philosophers and biologists. Three aspects of consciousness are generally recognized: awareness consciousness (through connection...
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  • Against the Precautionary Approach to Moral Status: The Case of Surrogates for Living Human Brains.Tomasz Żuradzki - 2021 - American Journal of Bioethics 21 (1):53-56.
    My paper builds on the conceptual tools from three interrelated philosophical debates that—as I believe—may help structure important if chaotic discussions about surrogates for living human brains and resolve some practical issues related to regulatory matters. In particular, I refer to the discussions about the “moral precautionary principle” in research ethics (Koplin and Wilkinson 2019); about normative uncertainty in ethics (MacAskill, Bykvist, and Ord 2020), and about the inductive risk problem for animal welfare scientists (Birch 2018). I elucidate upon the (...)
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  • Emerging moral status issues. [REVIEW]Christopher Gyngell & Julian J. Koplin - 2020 - Monash Bioethics Review 38 (2):95-104.
    Many controversies in bioethics turn on questions of moral status. Some moral status issues have received extensive bioethical attention, including those raised by abortion, embryo experimentation, and animal research. Beyond these established debates lie a less familiar set of moral status issues, many of which are tied to recent scientific breakthroughs. This review article surveys some key developments that raise moral status issues, including the development of in vitro brains, part-human animals, “synthetic” embryos, and artificial womb technologies. It introduces the (...)
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  • Human cerebral organoids and consciousness: a double-edged sword.Andrea Lavazza - 2020 - Monash Bioethics Review 38 (2):105-128.
    Human cerebral organoids (HCOs) are three-dimensional in vitro cell cultures that mimic the developmental process and organization of the developing human brain. In just a few years this technique has produced brain models that are already being used to study diseases of the nervous system and to test treatments and drugs. Currently, HCOs consist of tens of millions of cells and have a size of a few millimeters. The greatest limitation to further development is due to their lack of vascularization. (...)
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  • Consciousness and the Ethics of Human Brain Organoid Research.Karola Kreitmair - 2023 - Cambridge Quarterly of Healthcare Ethics 32 (4):518-528.
    The possibility of consciousness in human brain organoids is sometimes viewed as determinative in terms of the moral status such entities possess, and, in turn, in terms of the research protections such entities are due. This commonsense view aligns with a prominent stance in neurology and neuroscience that consciousness admits of degrees. My paper outlines these views and provides an argument for why this picture of correlating degrees of consciousness with moral status and research protections is mistaken. I then provide (...)
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  • Why iBlastoids (Embryo-like Structures) Do Not Raise Significant Ethical Issues.Alberto Molina Pérez & Aníbal Monasterio Astobiza - 2022 - American Journal of Bioethics 22 (1):59-61.
    Most technology is used properly for their intended purpose, but certain technological breakthroughs have a dual-use nature, pose risks or lead to unintended consequences when applied in some areas...
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  • An Afro-Communitarian Relational Approach to Brain Surrogates Research.Luís Cordeiro-Rodrigues & Cornelius Ewuoso - 2021 - Neuroethics 14 (3):561-574.
    Carrying out research on brains is important for medical advances in various diseases. However, such research ought not be carried out on human brains because the benefits do not outweigh the potential risks. A possible alternative is the use of brain surrogates. Nevertheless, some scholars who uphold a threshold account of moral status suggest the possibility that, with technological advances in the near future, more advanced brain surrogates will have very similar features to humans. This may suffice for these having (...)
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  • Mapping the Ethical Issues of Brain Organoid Research and Application.Tsutomu Sawai, Yoshiyuki Hayashi, Takuya Niikawa, Joshua Shepherd, Elizabeth Thomas, Tsung-Ling Lee, Alexandre Erler, Momoko Watanabe & Hideya Sakaguchi - 2022 - American Journal of Bioethics Neuroscience 13 (2):81-94.
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  • Human Brain Organoid Research and Applications: Where and How to Meet Legal Challenges?M. Kataoka, T. -L. Lee & T. Sawai - forthcoming - Journal of Bioethical Inquiry:1-8.
    An ethical and legal framework is needed to regulate the rapidly developing human brain organoid research field properly. However, considering the legal issues involved in human brain organoid research remains underdeveloped and scattered. This article reviews the legal issues of human brain organoid research, grouping them into the following five broad themes: (1) consciousness, (2) legal status, (3) consent, (4) ownership, and (5) transplantation. The issues in each topic include both the urgent (e.g., appropriate forms of consent) and the speculative (...)
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  • Patentability of Brain Organoids derived from iPSC– A Legal Evaluation with Interdisciplinary Aspects.Hannes Wolff - 2024 - Neuroethics 17 (1):1-15.
    Brain Organoids in their current state of development are patentable. Future brain organoids may face some challenges in this regard, which I address in this contribution. Brain organoids unproblematically fulfil the general prerequisites of patentability set forth in Art. 3 (1) EU-Directive 98/44/ec (invention, novelty, inventive step and susceptibility of industrial application). Patentability is excluded if an invention makes use of human embryos or constitutes a stage of the human body in the individual phases of its formation and development. Both (...)
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  • The Many Moral Matters of Organoid Models: A systematic review of reasons.Andrew J. Barnhart & Kris Dierickx - 2022 - Medicine, Health Care and Philosophy 25 (3):545-560.
    ObjectiveTo present the ethical issues, moral arguments, and reasons found in the ethical literature on organoid models.DesignIn this systematic review of reasons in ethical literature, we selected sources based on predefined criteria: The publication mentions moral reasons or arguments directly relating to the creation and/or use of organoid models in biomedical research; These moral reasons and arguments are significantly addressed, not as mere passing mentions, or comprise a large portion of the body of work; The publication is peer-reviewed and published (...)
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  • Even Offense Can Be a ‘Normatively Substantive Problem’ in Bioethics: Specificity and Relationality as Alternatives to ‘Personhood’.Eva Feder Kittay - 2024 - American Journal of Bioethics 24 (1):18-20.
    With its provocative title, Blumenthal-Barby’s (2024) Target Article is an important addition to the critical work on using ‘personhood’ in bioethics. I suggest it bears on any philosophical discus...
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  • What Implications Do a Consciousness-Independent Perspective on Moral Status Entail for Future Brain Organoid Research?Masanori Kataoka & Tsutomu Sawai - 2023 - American Journal of Bioethics Neuroscience 14 (2):163-165.
    In his paper “Non-human moral status: problems with phenomenal consciousness,” Joshua Shepherd emphasized an objectivist understanding of welfare to establish the moral status of non-human entities...
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  • A Tale of Two Chimeras: Applying the Six Principles to Human Brain Organoid Xenotransplantation.Andrew J. Barnhart & Kris Dierickx - 2023 - Cambridge Quarterly of Healthcare Ethics 32 (4):555-571.
    Cerebral organoid models in-of-themselves are considered as an alternative to research animal models. But their developmental and biological limitations currently inhibit the probability that organoids can fully replace animal models. Furthermore, these organoid limitations have, somewhat ironically, brought researchers back to the animal model via xenotransplantation, thus creating hybrids and chimeras. In addition to attempting to study and overcome cerebral organoid limitations, transplanting cerebral organoids into animal models brings an opportunity to observe behavioral changes in the animal itself. Traditional animal (...)
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  • AJOB-Neuroscience Top Abstract Award Winners from the 2021 International Neuroethics Society Annual Meeting.Coates McCall - 2022 - American Journal of Bioethics Neuroscience 13 (4):287-306.
    The following abstracts were selected by AJOB-Neuroscience judges as the best submitted to the International Neuroethics Society 2021 Annual Meeting.
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  • Media portrayal of ethical and social issues in brain organoid research.Abigail Presley, Leigh Ann Samsa & Veljko Dubljević - 2022 - Philosophy, Ethics, and Humanities in Medicine 17 (1):1-14.
    Background Human brain organoids are a valuable research tool for studying brain development, physiology, and pathology. Yet, a host of potential ethical concerns are inherent in their creation. There is a growing group of bioethicists who acknowledge the moral imperative to develop brain organoid technologies and call for caution in this research. Although a relatively new technology, brain organoids and their uses are already being discussed in media literature. Media literature informs the public and policymakers but has the potential for (...)
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  • Brain Organoids and Consciousness: Late Night Musings Inspired by Lewis Thomas.Joseph J. Fins - 2021 - Cambridge Quarterly of Healthcare Ethics 30 (4):557-560.
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  • Global Versus Local Theories of Consciousness and the Consciousness Assessment Issue in Brain Organoids.Maxence Gaillard - 2024 - Neuroethics 17 (1):1-14.
    Any attempt at consciousness assessment in organoids requires careful consideration of the theory of consciousness that researchers will rely on when performing this task. In cognitive neuroscience and the clinic, there are tools and theories used to detect and measure consciousness, typically in human beings, but none of them is neither fully consensual nor fit for the biological characteristics of organoids. I discuss the existing attempt relying on the Integrated Information Theory and its models and tools. Then, I revive the (...)
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  • Harm to Nonhuman Animals from AI: a Systematic Account and Framework.Simon Coghlan & Christine Parker - 2023 - Philosophy and Technology 36 (2):1-34.
    This paper provides a systematic account of how artificial intelligence (AI) technologies could harm nonhuman animals and explains why animal harms, often neglected in AI ethics, should be better recognised. After giving reasons for caring about animals and outlining the nature of animal harm, interests, and wellbeing, the paper develops a comprehensive ‘harms framework’ which draws on scientist David Fraser’s influential mapping of human activities that impact on sentient animals. The harms framework is fleshed out with examples inspired by both (...)
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  • Induced Pluripotent Stem Cell-Based Systems for Personalising Epilepsy Treatment: Research Ethics Challenges and New Insights for the Ethics of Personalised Medicine.Mary Jean Walker, Jane Nielsen, Eliza Goddard, Alex Harris & Katrina Hutchison - 2022 - American Journal of Bioethics Neuroscience 13 (2):120-131.
    This paper examines potential ethical and legal issues arising during the research, develop- ment and clinical use of a proposed strategy in personalized medicine (PM): using human induced pluripotent stem cell (iPSC)-derived tissue cultures as predictive models of individ- ual patients to inform treatment decisions. We focus on epilepsy treatment as a likely early application of this strategy, for which early-stage stage research is underway. In relation to the research process, we examine issues associated with biological samples; data; health; vulnerable (...)
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  • Research Ethics in Conscious Subjects: Old Questions, New Contexts.Gidon Felsen - 2019 - Journal of Law, Medicine and Ethics 47 (4):768-770.
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  • Sims and Vulnerability: On the Ethics of Creating Emulated Minds.Bartlomiej Chomanski - 2022 - Science and Engineering Ethics 28 (6):1-17.
    It might become possible to build artificial minds with the capacity for experience. This raises a plethora of ethical issues, explored, among others, in the context of whole brain emulations (WBE). In this paper, I will take up the problem of vulnerability – given, for various reasons, less attention in the literature – that the conscious emulations will likely exhibit. Specifically, I will examine the role that vulnerability plays in generating ethical issues that may arise when dealing with WBEs. I (...)
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