Results for 'Joke Heylen'

925 found
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  1.  11
    Variability in anger intensity profiles: Structure and predictive basis.Joke Heylen, Philippe Verduyn, Iven Van Mechelen & Eva Ceulemans - 2015 - Cognition and Emotion 29 (1):168-177.
  2.  13
    Ethische vragen voor onze tijd: hulde aan Mgr. Victor Heylen.Victor L. Heylen (ed.) - 1977 - Antwerpen: De Nederlandsche Boekhandel.
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  3. Truth and Existence.Jan Heylen & Leon Horsten - 2017 - Thought: A Journal of Philosophy 6 (1):106-114.
    Halbach has argued that Tarski biconditionals are not ontologically conservative over classical logic, but his argument is undermined by the fact that he cannot include a theory of arithmetic, which functions as a theory of syntax. This article is an improvement on Halbach's argument. By adding the Tarski biconditionals to inclusive negative free logic and the universal closure of minimal arithmetic, which is by itself an ontologically neutral combination, one can prove that at least one thing exists. The result can (...)
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  4. Au service de la justice.Victor L. Heylen - 1945 - [Bruges]: Desclée, de Brouwer.
     
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  5.  15
    Over denken.Jan Heylen - forthcoming - Gent: Owl Press.
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  6.  43
    Confusion in the Bishop’s Church.Jan Heylen - 2023 - Philosophia 51 (4):1993-2003.
    Kearns (2021) reconstructs Berkeley’s (1713) Master Argument as a formally valid argument against the Materialist Thesis, with the key premise the Distinct Conceivability Thesis, namely the thesis that truths about sensible objects having or lacking thinkable qualities are (distinctly) conceivable and as its conclusion that all sensible objects are conceived. It will be shown that Distinct Conceivability Thesis entails the Reduction Thesis, which states that de dicto propositional (ordinary or distinct) conceivability reduces to de re propositional (ordinary or distinct) conceivability. (...)
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  7. Carnapian Modal and Epistemic Arithmetic.Heylen Jan - 2009 - In Carrara Massimiliano & Morato Vittorio (eds.), Language, Knowledge, and Metaphysics. Selected papers from the First SIFA Graduate Conference. College Publications. pp. 97-121.
    The subject of the first section is Carnapian modal logic. One of the things I will do there is to prove that certain description principles, viz. the ''self-predication principles'', i.e. the principles according to which a descriptive term satisfies its own descriptive condition, are theorems and that others are not. The second section will be devoted to Carnapian modal arithmetic. I will prove that, if the arithmetical theory contains the standard weak principle of induction, modal truth collapses to truth. Then (...)
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  8.  46
    Conceptos de cognoscibilidad.Jan Heylen & Felipe Morales Carbonell - 2023 - Revista de Humanidades de Valparaíso 23:287-308.
    Many philosophical discussions hinge on the concept of knowability. For example, there is a blooming literature on the so-called paradox of knowability. How to understand this notion, however? In this paper, we examine several approaches to the notion: the naive approach to take knowability as the possibility to know, the counterfactual approach endorsed by Edgington (1985) and Schlöder (2019) , approaches based on the notion of a capacity or ability to know (Fara 2010, Humphreys 2011), and finally, approaches that make (...)
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  9.  53
    Transcendental Knowability, Closure, Luminosity and Factivity: Reply to Stephenson.Jan Heylen & Felipe Morales Carbonell - forthcoming - History of Philosophy & Logical Analysis.
    Stephenson (2022) has argued that Kant’s thesis that all transcendental truths are transcendentally a priori knowable leads to omniscience of all transcendental truths. His arguments depend on luminosity principles and closure principles for transcendental knowability. We will argue that one pair of a luminosity and a closure principle should not be used, because the closure principle is too strong, while the other pair of a luminosity and a closure principle should not be used, because the luminosity principle is too strong. (...)
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  10.  11
    Divine Omniscience: Complete Knowledge or Supreme Knowledge?Jan Heylen - 2024 - In Mirosław Szatkowski (ed.), Ontology of Divinity. De Gruyter. pp. 109-124.
    One of the divine attributes is omniscience. The standard concept of omniscience is the concept of having complete knowledge: God knows every truth. But there are also other concepts of omniscience that are consistent with having incomplete knowledge. I will propose a new concept of omniscience, namely the concept of having supreme knowledge. It is inspired by how Anselm talks about God's knowledge and it makes good sense of a key premise in an Anselmian argument for omniscience. Moreover, it can (...)
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  11.  79
    Existence hedges, neutral free logic and truth.Jan Heylen - forthcoming - Inquiry: An Interdisciplinary Journal of Philosophy.
    Semantic externalism in the style of McDowell and Evans faces a puzzle formulated by Pryor: to explain that a sentence such as 'Jack exists' is only a posteriori knowable, despite being logically entailed by the seemingly logical truth 'Jack is self-identical', and hence being itself a logical truth and therefore a priori knowable. Free logics can dissolve the puzzle. Moreover, Pryor has argued that the existentially hedged 'If Jack exists, then Jack is self-identical', when properly formalised, is a logical truth (...)
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  12. Being in a Position to Know and Closure.Jan Heylen - 2016 - Thought: A Journal of Philosophy 5 (1):63-67.
    The focus of this article is the question whether the notion of being in a position to know is closed under modus ponens. The question is answered negatively.
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  13. Descriptions and unknowability.Jan Heylen - 2010 - Analysis 70 (1):50-52.
    In a recent paper Horsten embarked on a journey along the limits of the domain of the unknowable. Rather than knowability simpliciter, he considered a priori knowability, and by the latter he meant absolute provability, i.e. provability that is not relativized to a formal system. He presented an argument for the conclusion that it is not absolutely provable that there is a natural number of which it is true but absolutely unprovable that it has a certain property. The argument depends (...)
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  14. Factive knowability and the problem of possible omniscience.Jan Heylen - 2020 - Philosophical Studies 177 (1):65-87.
    Famously, the Church–Fitch paradox of knowability is a deductive argument from the thesis that all truths are knowable to the conclusion that all truths are known. In this argument, knowability is analyzed in terms of having the possibility to know. Several philosophers have objected to this analysis, because it turns knowability into a nonfactive notion. In addition, they claim that, if the knowability thesis is reformulated with the help of factive concepts of knowability, then omniscience can be avoided. In this (...)
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  15.  6
    Inconsistency in Science.Joke Meheus (ed.) - 2002 - Dordrecht, Netherland: Springer Verlag.
    For centuries, inconsistencies were seen as a hindrance to good reasoning, and their role in the sciences was ignored. In recent years, however, logicians as well as philosophers and historians have showed a growing interest in the matter. Central to this change were the advent of paraconsistent logics, the shift in attention from finished theories to construction processes, and the recognition that most scientific theories were at some point either internally inconsistent or incompatible with other accepted findings. The new interest (...)
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  16. Why is There Something Rather Than Nothing? A Logical Investigation.Jan Heylen - 2017 - Erkenntnis 82 (3):531-559.
    From Leibniz to Krauss philosophers and scientists have raised the question as to why there is something rather than nothing. Why-questions request a type of explanation and this is often thought to include a deductive component. With classical logic in the background only trivial answers are forthcoming. With free logics in the background, be they of the negative, positive or neutral variety, only question-begging answers are to be expected. The same conclusion is reached for the modal version of the Question, (...)
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  17. Anti-Realism and Modal-Epistemic Collapse: Reply to Marton.Jan Heylen - 2021 - Erkenntnis 88 (1):397-408.
    Marton ( 2019 ) argues that that it follows from the standard antirealist theory of truth, which states that truth and possible knowledge are equivalent, that knowing possibilities is equivalent to the possibility of knowing, whereas these notions should be distinct. Moreover, he argues that the usual strategies of dealing with the Church–Fitch paradox of knowability are either not able to deal with his modal-epistemic collapse result or they only do so at a high price. Against this, I argue that (...)
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  18. Carnap’s Theory of Descriptions and its Problems.Jan Heylen - 2010 - Studia Logica 94 (3):355-380.
    Carnap's theory of descriptions was restricted in two ways. First, the descriptive conditions had to be non-modal. Second, only primitive predicates or the identity predicate could be used to predicate something of the descriptum . The motivating reasons for these two restrictions that can be found in the literature will be critically discussed. Both restrictions can be relaxed, but Carnap's theory can still be blamed for not dealing adequately with improper descriptions.
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  19. Modal-Epistemic Arithmetic and the problem of quantifying in.Jan Heylen - 2013 - Synthese 190 (1):89-111.
    The subject of this article is Modal-Epistemic Arithmetic (MEA), a theory introduced by Horsten to interpret Epistemic Arithmetic (EA), which in turn was introduced by Shapiro to interpret Heyting Arithmetic. I will show how to interpret MEA in EA such that one can prove that the interpretation of EA is MEA is faithful. Moreover, I will show that one can get rid of a particular Platonist assumption. Then I will discuss models for MEA in light of the problems of logical (...)
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  20.  47
    Syntactical Treatment of Modalities, 6 February.Lorenz Demey & Jan Heylen - 2013 - The Reasoner 7 (4):45-45.
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  21.  9
    Who Makes Your Heart Beat? What Makes You Sweat? Social Conflict in Virtual Reality for Educators.Minha Lee, Jan Kolkmeier, Dirk Heylen & Wijnand IJsselsteijn - 2021 - Frontiers in Psychology 12.
    Though educators often deal with stressful social conflicts, many face them ad hoc without much training. We studied if and how virtual agents can help University staff manage student-teacher conflicts. We explored educators' verbal, behavioral, and physiological reactions to a virtual agent that brought up a student-teacher conflict and held exit-interviews. Our qualitative analysis revealed that virtual agents for conflict training were positively received, but not for conflict mediation with cross-cultural differences. Those with non-Western backgrounds felt that an agent could (...)
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  22.  50
    Gaze behaviour, believability, likability and the iCat.M. Poel, D. Heylen, A. Nijholt, M. Meulemans & A. van Breemen - 2009 - AI and Society 24 (1):61-73.
    The iCat is a user-interface robot with the ability to express a range of emotions through its facial features. This article summarizes our research to see whether we can increase the believability and likability of the iCat for its human partners through the application of gaze behaviour. Gaze behaviour serves several functions during social interaction such as mediating conversation flow, communicating emotional information and avoiding distraction by restricting visual input. There are several types of eye and head movements that are (...)
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  23. The Enhanced Indispensability Argument, the circularity problem, and the interpretability strategy.Jan Heylen & Lars Arthur Tump - 2019 - Synthese 198 (4):3033-3045.
    Within the context of the Quine–Putnam indispensability argument, one discussion about the status of mathematics is concerned with the ‘Enhanced Indispensability Argument’, which makes explicit in what way mathematics is supposed to be indispensable in science, namely explanatory. If there are genuine mathematical explanations of empirical phenomena, an argument for mathematical platonism could be extracted by using inference to the best explanation. The best explanation of the primeness of the life cycles of Periodical Cicadas is genuinely mathematical, according to Baker (...)
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  24. Counterfactual theories of knowledge and the notion of actuality.Jan Heylen - 2016 - Philosophical Studies 173 (6):1647-1673.
    The central question of this article is how to combine counterfactual theories of knowledge with the notion of actuality. It is argued that the straightforward combination of these two elements leads to problems, viz. the problem of easy knowledge and the problem of missing knowledge. In other words, there is overgeneration of knowledge and there is undergeneration of knowledge. The combination of these problems cannot be solved by appealing to methods by which beliefs are formed. An alternative solution is put (...)
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  25.  18
    Adaptive Logic in Scientific Discovery: the Case of Claudius.Joke Meheus - 1993 - Logique and Analyse 143:359-389.
  26. Closure of A Priori Knowability Under A Priori Knowable Material Implication.Jan Heylen - 2015 - Erkenntnis 80 (2):359-380.
    The topic of this article is the closure of a priori knowability under a priori knowable material implication: if a material conditional is a priori knowable and if the antecedent is a priori knowable, then the consequent is a priori knowable as well. This principle is arguably correct under certain conditions, but there is at least one counterexample when completely unrestricted. To deal with this, Anderson proposes to restrict the closure principle to necessary truths and Horsten suggests to restrict it (...)
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  27. An extremely rich paraconsistent logic and the adaptive logic based on it.Joke Meheus - 2000 - In Frontiers of Paraconsistent Logic. Research Studies Press. pp. 189-201.
     
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  28. Counterfactual Knowledge, Factivity, and the Overgeneration of Knowledge.Jan Heylen - 2020 - Erkenntnis 87 (5):2243-2263.
    Antirealists who hold the knowability thesis, namely that all truths are knowable, have been put on the defensive by the Church-Fitch paradox of knowability. Rejecting the non-factivity of the concept of knowability used in that paradox, Edgington has adopted a factive notion of knowability, according to which only actual truths are knowable. She has used this new notion to reformulate the knowability thesis. The result has been argued to be immune against the Church-Fitch paradox, but it has encountered several other (...)
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  29.  24
    Written institutional ethics policies on euthanasia: an empirical-based organizational-ethical framework.Joke Lemiengre, Bernadette Dierckx de Casterlé, Paul Schotsmans & Chris Gastmans - 2014 - Medicine, Health Care and Philosophy 17 (2):215-228.
    As euthanasia has become a widely debated issue in many Western countries, hospitals and nursing homes especially are increasingly being confronted with this ethically sensitive societal issue. The focus of this paper is how healthcare institutions can deal with euthanasia requests on an organizational level by means of a written institutional ethics policy. The general aim is to make a critical analysis whether these policies can be considered as organizational-ethical instruments that support healthcare institutions to take their institutional responsibility for (...)
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  30. Strict conditionals: A negative result.Jan Heylen & Leon Horsten - 2006 - Philosophical Quarterly 56 (225):536–549.
    Jonathan Lowe has argued that a particular variation on C.I. Lewis' notion of strict implication avoids the paradoxes of strict implication. We show that Lowe's notion of implication does not achieve this aim, and offer a general argument to demonstrate that no other variation on Lewis' notion of constantly strict implication describes the logical behaviour of natural-language conditionals in a satisfactory way.
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  31. Rosenkranz’s Logic of Justification and Unprovability.Jan Heylen - 2020 - Journal of Philosophical Logic 49 (6):1243-1256.
    Rosenkranz has recently proposed a logic for propositional, non-factive, all-things-considered justification, which is based on a logic for the notion of being in a position to know, 309–338 2018). Starting from three quite weak assumptions in addition to some of the core principles that are already accepted by Rosenkranz, I prove that, if one has positive introspective and modally robust knowledge of the axioms of minimal arithmetic, then one is in a position to know that a sentence is not provable (...)
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  32.  27
    A formal logic for abductive reasoning.Joke Meheus & Diderik Batens - 2006 - Logic Journal of the IGPL 14 (2):221-236.
    This paper presents and illustrates a formal logic for the abduction of singular hypotheses. The logic has a semantics and a dynamic proof theory that is sound and complete with respect to the semantics. The logic presupposes that, with respect to a specific application, the set of explananda and the set of possible explanantia are disjoint . Where an explanandum can be explained by different explanantia, the logic allows only for the abduction of their disjunction.
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  33.  13
    A Formal Logic for the Abduction of Singular Hypotheses1.Joke Meheus - 2011 - In Dennis Dieks, Wenceslao Gonzalo, Thomas Uebel, Stephan Hartmann & Marcel Weber (eds.), Explanation, Prediction, and Confirmation. Springer. pp. 93--108.
  34. The epistemic significance of numerals.Jan Heylen - 2014 - Synthese 198 (Suppl 5):1019-1045.
    The central topic of this article is (the possibility of) de re knowledge about natural numbers and its relation with names for numbers. It is held by several prominent philosophers that (Peano) numerals are eligible for existential quantification in epistemic contexts (‘canonical’), whereas other names for natural numbers are not. In other words, (Peano) numerals are intimately linked with de re knowledge about natural numbers, whereas the other names for natural numbers are not. In this article I am looking for (...)
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  35.  32
    Gerald Odonis on the notion of esse tertio adiacens.Joke Spruyt - 2009 - In Lambertus Marie de Rijk, William Duba & Christopher David Schabel (eds.), Gerald Odonis, Doctor Moralis and Franciscan minister general: studies in honour of L.M. de Rijk. Boston: Brill. pp. 221-240.
    Gerald Odonis' logic is generous in its acceptance of ontological counterparts of linguistic expressions. He claims that universals have an objective status and are independent of our mental operations. This article takes a closer look at his views on the meaning of what he calls esse tertio adiacens, i.e., the type of being expressed in propositions of the form 'S is P'. To a certain extent Odonis' analysis resembles Peter of Spain's account of compositio. Unlike his predecessor, however, Odonis thinks (...)
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  36.  15
    Which style of reasoning to choose in the face of conflicting information?Joke Meheus, Peter Verdée & Christian Straßer - 2013 - Journal of Logic and Computation 26 (1):361–380.
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  37. Empirical progress and ampliative adaptive logics.Joke Meheus - 2005 - Poznan Studies in the Philosophy of the Sciences and the Humanities 83 (1):193-217.
    In this paper, I present two ampliative adaptive logics: LA and LAk. LA is an adaptive logic for abduction that enables one to generate explanatory hypotheses from a set of observational statements and a set of background assumptions. LAk is based on LA and has the peculiar property that it selects those explanatory hypotheses that are empirically most successful. The aim of LAk is to capture the notion of empirical progress as studied by Theo Kuipers.
     
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  38.  2
    Naar een nieuw malgoverno?Steven Van Hecke & Wim Heylen - 2009 - Res Publica 51 (1):85-100.
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  39. Adaptive logics for question evocation.Joke Meheus - 2001 - Logique Et Analyse 173 (175):135-164.
  40. The Judge and the Spectator. Hannah Arendt's Political Philosophy.Joke J. Hermsen & Dana R. Villa - 2000 - Tijdschrift Voor Filosofie 62 (3):604-605.
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  41.  22
    Content analysis of euthanasia policies of nursing homes in Flanders.Joke Lemiengre, Bernadette Dierckx de Casterlé, Yvonne Denier, Paul Schotsmans & Chris Gastmans - 2009 - Medicine, Health Care and Philosophy 12 (3):313-322.
    Objectives To describe the form and content of ethics policies on euthanasia in Flemish nursing homes and to determine the possible influence of religious affiliation on policy content. Methods Content analysis of euthanasia policy documents. Results Of the 737 nursing homes we contacted, 612 (83%) completed and returned the questionnaire. Of 92 (15%) nursing homes that reported to have a euthanasia policy, 85 (92%) provided a copy of their policy. Nursing homes applied the euthanasia law with additional palliative procedures and (...)
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  42. Erotetic arguments from inconsistent premises.Joke Meheus - 1999 - Logique Et Analyse 165 (166):49-80.
  43.  32
    Steering Problem Solving between Cliff Incoherence and Cliff Solitude.Joke Meheus & Diderik Batens - 1996 - Philosophica 58 (2).
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  44. Who" is the spectator? Hannah Arendt and Simone Weil on thinking and judging.Joke J. Hermsen - 1999 - In Joke J. Hermsen & Dana Richard Villa (eds.), The Judge and the Spectator: Hannah Arendt's Political Philosophy. Peeters.
  45.  11
    God on the web: ICT en godsdienstonderricht.Joke Maex - 2003 - Nova Et Vetera: Revue d'Enseignement Et de Pédagogie 81 (3):159-176.
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  46.  4
    TTIP, business as usual?Joke Matthieu - 2018 - Res Publica 60 (2):29-56.
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  47. Strict conditionals.Jan Heylen & Leon Horsten - 2022 - Croatian Journal of Philosophy 22 (64):123-131.
    Both Lowe and Tsai have presented their own versions of the theory that both indicative and subjunctive conditionals are strict conditionals. We critically discuss both versions and we find each version wanting.
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  48. Apophatic Finitism and Infinitism.Jan Heylen - 2019 - Logique Et Analyse 62 (247):319-337.
    This article is about the ontological dispute between finitists, who claim that only finitely many numbers exist, and infinitists, who claim that infinitely many numbers exist. Van Bendegem set out to solve the 'general problem' for finitism: how can one recast finite fragments of classical mathematics in finitist terms? To solve this problem Van Bendegem comes up with a new brand of finitism, namely so-called 'apophatic finitism'. In this article it will be argued that apophatic finitism is unable to represent (...)
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  49.  12
    Model-based reasoning in creative processes.Joke Meheus - 1999 - In L. Magnani, N. J. Nersessian & P. Thagard (eds.), Model-Based Reasoning in Scientific Discovery. Kluwer/Plenum. pp. 199--217.
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  50.  8
    Chromosomal microarray analysis in prenatal diagnosis: ethical considerations of the Belgian approach.Joke Muys, Bettina Blaumeiser, Katrien Janssens, Patrick Loobuyck & Yves Jacquemyn - 2020 - Journal of Medical Ethics 46 (2):104-109.
    Detection of genetic aberrations in prenatal samples, obtained through amniocentesis or chorion villus biopsy, is increasingly performed using chromosomal microarray, a technique that can uncover both aneuploidies and copy number variants throughout the genome. Despite the obvious benefits of CMA, the decision on implementing the technology is complicated by ethical issues concerning variant interpretation and reporting. In Belgium, uniform guidelines were composed and a shared database for prenatal CMA findings was established. This Belgian approach sparks discussion: it is evidence-based, prevents (...)
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