Results for 'olfactory discrimination'

986 found
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  1.  19
    Human olfactory discrimination of genetic variation within Cannabis strains.Anna L. Schwabe, Samantha K. Naibauer, Mitchell E. McGlaughlin & Avery N. Gilbert - 2022 - Frontiers in Psychology 13.
    Cannabis sativa L. is grown and marketed under a large number of named strains. Strains are often associated with phenotypic traits of interest to consumers, such as aroma and cannabinoid content. Yet genetic inconsistencies have been noted within named strains. We asked whether genetically inconsistent samples of a commercial strain also display inconsistent aroma profiles. We genotyped 32 samples using variable microsatellite regions to determine a consensus strain genotype and identify genetic outliers for four strains. Results were used to select (...)
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  2.  36
    Yohimbine does not impair performance on an olfactory discrimination.Joyce M. Rawleigh & Ernest D. Kemble - 1992 - Bulletin of the Psychonomic Society 30 (1):81-82.
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  3.  11
    The sorption/chromatography hypothesis of olfactory discrimination: The rise, fall, and rebirth of a Phoenix.David M. Coppola - 2022 - Bioessays 44 (3):2100263.
    Herein, I discuss the enduring mystery of the receptor layout in the vertebrate olfactory system. Since the awarding of the 2004 Nobel Prize to Axel and Buck for their discovery of the gene family that encodes olfactory receptors, our field has enjoyed a golden era. Despite this Renaissance, an answer to one of the most fundamental questions for any sensory system—what is the anatomical logic of its receptor array?—eludes us, still, for olfaction! Indeed, the only widely debated hypothesis, (...)
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  4.  22
    Effects of fluprazine hydrochloride on an olfactory discrimination in rats.Allen E. Thornton & Ernest D. Kemble - 1986 - Bulletin of the Psychonomic Society 24 (6):456-458.
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  5.  32
    Adult Neurogenesis in the Olfactory System: Improving Performance for Difficult Discrimination Tasks?Ioanna Kouremenou, Michael Piper & Oressia Zalucki - 2020 - Bioessays 42 (10):2000065.
    What is the function of new neurons entering the olfactory bulb? Many insights regarding the molecular control of adult neurogenesis have been uncovered, but the purpose of new neurons entering the olfactory bulb has been difficult to ascertain. Here, studies investigating the role of adult neurogenesis in olfactory discrimination in mice are reviewed. Studies in which adult neurogenesis is affected are highlighted, with a focus on the role of environment enrichment and what happens during ageing. There (...)
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  6.  27
    What the papers say: Odor receptor proteins recloned: Molecular realities of olfactory discrimination in fish.Richard G. Vogt - 1993 - Bioessays 15 (7):487-489.
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  7.  16
    Information processing of olfactory stimuli by the dog: I. The acquisition and retention of four odor-pair discriminations.R. E. Lubow, M. Kahn & R. Frommer - 1973 - Bulletin of the Psychonomic Society 1 (2):143-145.
  8.  19
    Information processing of olfactory stimuli by the dog: II. Stimulus control and sampling strategies in simultaneous discrimination learning.R. E. Lubow, Moshe Kahn & Reuven Frommer - 1976 - Bulletin of the Psychonomic Society 8 (4):323-326.
  9.  90
    Neuronal and glial morphology in olfactory systems: Significance for information-processing and underlying developmental mechanisms.P. Tolbert Leslie, A. Oland Lynne, C. Christensen Thomas & R. Goriely Anita - 2003 - Brain and Mind 4 (1):27-49.
    The shapes of neurons and glial cells dictate many important aspects of their functions. In olfactory systems, certain architectural features are characteristics of these two cell types across a wide variety of species. The accumulated evidence suggests that these common features may play fundamental roles in olfactoryinformation processing. For instance, the primary olfactory neuropil in most vertebrate and invertebrate olfactory systems is organized into discrete modules called glomeruli. Inside each glomerulus, sensory axons and CNS neurons branch and (...)
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  10.  47
    An experimental and statistical study of olfactory preferences.M. D. Eysenck - 1944 - Journal of Experimental Psychology 34 (3):246.
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  11.  46
    Differential aversive learning enhances orientation discrimination.L. Jack Rhodes, Aholibama Ruiz, Matthew Ríos, Thomas Nguyen & Vladimir Miskovic - 2017 - Cognition and Emotion 32 (4):885-891.
    A number of recent studies have documented rapid changes in behavioural sensory acuity induced by aversive learning in the olfactory and auditory modalities. The effect of aversive learning on the discrimination of low-level features in the visual system of humans remains unclear. Here, we used a psychophysical staircase procedure to estimate discrimination thresholds for oriented grating stimuli, before and after differential aversive learning. We discovered that when a target grating orientation was conditioned with an aversive loud noise, (...)
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  12. Quality-space theory in olfaction.Benjamin D. Young, Andreas Keller & David Rosenthal - 2014 - Frontiers in Psychology 5.
    Quality-space theory (QST) explains the nature of the mental qualities distinctive of perceptual states by appeal to their role in perceiving. QST is typically described in terms of the mental qualities that pertain to color. Here we apply QST to the olfactory modalities. Olfaction is in various respects more complex than vision, and so provides a useful test case for QST. To determine whether QST can deal with the challenges olfaction presents, we show how a quality space (QS) could (...)
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  13.  11
    Ontological Anosmia.Andreas Philippopoulos-Mihalopoulos - 2021 - Rivista di Estetica 78:95-111.
    Anosmia, or the absence of smell, is not just a subjective experience but, as I argue in this text, an ontological affect. Anosmia in the form of deodorisation and hygienisation, is the aim for many institutions, indeed often societies as a whole, that try to direct individual affects along prefabricated targets of racial, ethnic and class discrimination, rampant consumerism and unconscious participation in atmospheric engineering. Odours consist of what I would like to call the olflow, the incessant flow of (...)
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  14. Sniff, smell, and stuff.Vivian Mizrahi - 2014 - Philosophical Studies 171 (2):233-250.
    Most philosophers consider olfactory experiences to be very poor in comparison to other sense modalities. And because olfactory experiences seem to lack the spatial content necessary to object perception, philosophers tend to maintain that smell is purely sensational or abstract. I argue in this paper that the apparent poverty and spatial indeterminateness of odor experiences does not reflect the “subjective” or “abstract” nature of smell, but only that smell is not directed to particular things. According to the view (...)
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  15.  12
    The Nose of Hate.Chantal Jaquet - 2024 - Espes 13 (2):81-92.
    The paper analyses the olfactory figures of hate and the various kinds of discrimination based on smell. It shows how figures of hate express themselves in the olfactory form of rejecting the other who stinks. All of the categories considered to be contemptible or inferior are olfactorily devalued. The paper examines successively the nose of anti-Semitism and racism, the nose of homophobia and sexism, the olfactory social discriminations, and the fiction of the stinking enemy. One may (...)
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  16.  40
    Unconscious odor detection could not be due to odor itself.Laurence Jacquot, Julie Monnin & Gérard Brand - 2004 - Brain Research 1002 (1):51-54.
  17. How brains make chaos in order to make sense of the world.Christine A. Skarda & Walter J. Freeman - 1987 - Behavioral and Brain Sciences 10 (2):161-173.
    Recent “connectionist” models provide a new explanatory alternative to the digital computer as a model for brain function. Evidence from our EEG research on the olfactory bulb suggests that the brain may indeed use computational mechanisms like those found in connectionist models. In the present paper we discuss our data and develop a model to describe the neural dynamics responsible for odor recognition and discrimination. The results indicate the existence of sensory- and motor-specific information in the spatial dimension (...)
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  18.  14
    Molecular and cellular organization of insect chemosensory neurons.Marien de Bruyne & Coral G. Warr - 2006 - Bioessays 28 (1):23-34.
    Animals use their chemosensory systems to detect and discriminate among chemical cues in the environment. Remarkable progress has recently been made in our knowledge of the molecular and cellular basis of chemosensory perception in insects, based largely on studies in Drosophila. This progress has been possible due to the identification of gene families for olfactory and gustatory receptors, the use of electro‐physiological recording techniques on sensory neurons, the multitude of genetic manipulations that are available in this species, and insights (...)
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  19. Skepticism, Contextualism, and Discrimination.Jonathan Schaffer - 2004 - Philosophy and Phenomenological Research 69 (1):138-155.
    The skeptic says that “knowledge” is an absolute term, whereas the contextualist says that ‘knowledge” is a relationally absolute term. Which is the better hypothesis about “knowledge”? And what implications do these hypotheses about “knowledge” have for knowledge? I argue that the skeptic has the better hypothesis about “knowledge”, but that both hypotheses about “knowledge” have deeply anti‐skeptical implications for knowledge, since both presuppose our capacity for epistemically salient discrimination.
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  20. Beyond bias and discrimination: redefining the AI ethics principle of fairness in healthcare machine-learning algorithms.Benedetta Giovanola & Simona Tiribelli - 2023 - AI and Society 38 (2):549-563.
    The increasing implementation of and reliance on machine-learning (ML) algorithms to perform tasks, deliver services and make decisions in health and healthcare have made the need for fairness in ML, and more specifically in healthcare ML algorithms (HMLA), a very important and urgent task. However, while the debate on fairness in the ethics of artificial intelligence (AI) and in HMLA has grown significantly over the last decade, the very concept of fairness as an ethical value has not yet been sufficiently (...)
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  21. Covid-19 and age discrimination: benefit maximization, fairness, and justified age-based rationing.Andreas Albertsen - 2023 - Medicine, Health Care and Philosophy 26 (1):3-11.
    Age-based rationing remains highly controversial. This question has been paramount during the Covid-19 pandemic. Analyzing the practices, proposals, and guidelines applied or put forward during the current pandemic, three kinds of age-based rationing are identified: an age-based cut-off, age as a tiebreaker, and indirect age rationing, where age matters to the extent that it affects prognosis. Where age is allowed to play a role in terms of who gets treated, it is justified either because this is believed to maximize benefits (...)
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  22.  21
    A Theory of Discrimination Law.Tarunabh Khaitan - 2014 - Oxford University Press UK.
    This book provides a general theory of discrimination law as practised in liberal democratic jurisdictions. Rejecting accounts that place the value of equality at the heart of the law, it argues that discrimination law protects individual autonomy. Applying the theory, the book tackles the central legal problems in applying discrimination laws.
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  23. But Some Groups Are More Equal Than Others: A Critical Review of the Group-Criterion in the Concept of Discrimination.Frej Klem Thomsen - 2013 - Social Theory and Practice 39 (1):120-146.
    In this article I critically examine a standard feature in conceptions of discrimination: the group-criterion, specifically the idea that there is a limited and definablegroup of traits that can form the basis of discrimination. I review two types of argument for the criterion. One focuses on inherently relevant groups and relies ultimately on luck-egalitarian principles; the other focuses on contextually relevant groups and relies ultimately on the badness of outcomes. I conclude that as neither type of argument is (...)
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  24. The Many Problems of Distal Olfactory Perception.Benjamin D. Young - 2019 - In Tony Cheng, Ophelia Deroy & Charles Spence, Spatial Senses: Philosophy of Perception in an Age of Science. New York: Routledge.
    The chapter unfolds in the following sections. The first section exam- ines the reasons for claiming that olfactory perception is spatially unstruc- tured and our experience of smells has an abstract structure. The second section elucidates the further arguments that olfaction cannot generate figure-ground segregation. The third section assesses the conclusion that olfactory perception and experience cannot solve the MPP. Following the overview of the many problems inherent to distal olfactory percep- tion, MST will be introduced as (...)
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  25.  50
    Reference, Representation-as, and Discrimination.Ayoob Shahmoradi - 2024 - Dissertation, University of California, San Diego
    I develop a theory of (mental) reference according to which there are two ways of referring to an object. One can refer to an object by relying on a previous instance of successful reference to that (or some other) object. I call this type of reference 'dependent reference'. Alternatively, one can refer to an object 'independently'. A referential attempt is independent if and only if it is not dependent. I argue that these two types of reference differ as they adhere (...)
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  26. Stealing Bread and Sleeping Beneath Bridges - Indirect Discrimination as Disadvantageous Equal Treatment.Frej Klem Thomsen - 2015 - Moral Philosophy and Politics 2 (2):299-327.
    The article analyses the concept of indirect discrimination, arguing first that existing conceptualisations are unsatisfactory and second that it is best understood as equal treatment that is disadvantageous to the discriminatees because of their group-membership. I explore four ways of further refining the definition, arguing that only an added condition of moral wrongness is at once plausible and helpful, but that it entails a number of new problems that may outweigh its benefits. Finally, I suggest that the moral wrongness (...)
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  27.  64
    Harm and Discrimination.Katharina Berndt Rasmussen - 2018 - Ethical Theory and Moral Practice 22 (4):873-891.
    Many legal, social, and medical theorists and practitioners, as well as lay people, seem to be concerned with the harmfulness of discriminative practices. However, the philosophical literature on the moral wrongness of discrimination, with a few exceptions, does not focus on harm. In this paper, I examine, and improve, a recent account of wrongful discrimination, which divides into a definition of group discrimination, and a characterisation of its moral wrong-making feature in terms of harm. The resulting account (...)
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  28. Immigrant Selection, Health Requirements, and Disability Discrimination.Douglas MacKay - 2018 - Journal of Ethics and Social Philosophy 14 (1).
    Australia, Canada, and New Zealand currently apply health requirements to prospective immigrants, denying residency to those with health conditions that are likely to impose an “excessive demand” on their publicly funded health and social service programs. In this paper, I investigate the charge that such policies are wrongfully discriminatory against persons with disabilities. I first provide a freedom-based account of the wrongness of discrimination according to which discrimination is wrong when and because it involves disadvantaging people in the (...)
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  29. Expectation and judgment: towards a phenomenology of discrimination.Tris Hedges - 2024 - Continental Philosophy Review (1):1-23.
    In this paper, my aim is to develop a phenomenological understanding of discrimination from the perspective of the discriminator. Since early existential phenomenology, the phenomenon of discrimination has received a great deal of attention. While much of this work has focused on the experience of the discriminatee, recent scholarship has begun to reflect on the intentional structures on the side of the discriminator. In a contribution to this trend, I argue that our sense of what is (ab)normal plays (...)
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  30. No Disrespect - But That Account Does Not Explain the Badness of Discrimination.Frej Klem Thomsen - 2022 - Journal of Ethics and Social Philosophy 23 (3):420-447.
    The article explores one prominent account of what makes discrimination morally bad (when it is) – the disrespect-based account. The article first reviews and clarifies the account, arguing that it is most charitably understood as the claim that discrimination is morally bad when the discriminator gives lower weight to reasons grounded in the moral status of the discriminatee(s) in her decision-making. It then presents three challenges to the account, and reviews a recent argument in defense of it. The (...)
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  31. Does Race Best Explain Racial Discrimination?Keshav Singh & Daniel Wodak - 2023 - Philosophers' Imprint 23.
    Our concern in this paper lies with a common argument from racial discrimination to realism about races: some people are discriminated against for being members of a particular race (i.e., racial discrimination exists), so some people must be members of that race (i.e., races exist). Error theorists have long responded that we can explain racial discrimination in terms of racial attitudes alone, so we need not explain it in terms of race itself. But to date there has (...)
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  32.  37
    Delay versus trace heart-rate classical discrimination conditioning in rabbits as a function of interstimulus interval.Alexander A. Manning, Neil Schneiderman & Daniel S. Lordahl - 1969 - Journal of Experimental Psychology 80 (2p1):225.
  33.  35
    Reversal and non-reversal shifts in discrimination learning in retardates.Betty House & David Zeaman - 1962 - Journal of Experimental Psychology 63 (5):444.
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  34.  55
    What Is Discrimination and When Is It Morally Wrong?Bert Heinrichs - 2007 - Jahrbuch für Wissenschaft Und Ethik 12 (1):97-114.
    In this paper I propose to examine the concept of discrimination from an ethical viewpoint. In a preliminary part, I will point out which aspects of the subject matter I will focus on and which I will leave aside (II). On the basis of the Aristotelian principle “treat like cases alike”, I will continue with a very formal definition, according to which discrimination can be understood as acting in a way that implies that like cases are not treated (...)
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  35.  48
    Nondictatorial social welfare functions with different discrimination structures.Francis Bloch - 1993 - Theory and Decision 34 (2):161-176.
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  36.  19
    Delay of reinforcement, response perseveration, and discrimination reversal.Benjamin H. Pubols Jr - 1958 - Journal of Experimental Psychology 56 (1):32.
  37.  24
    Effect of strength of punishment for "correct" or "incorrect" responses on visual discrimination performance.George J. Wischner, Harry Fowler & Stephen A. Kushnick - 1963 - Journal of Experimental Psychology 65 (2):131.
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  38.  41
    Does Public Racist Speech Constitute Hostile Discrimination? Comments on McGowan.Caroline West - 2021 - Australasian Philosophical Review 5 (2):179-188.
    ABSTRACT In ‘Just Words: On Speech and Hidden Harm: An Overview and an Application’, Mary Kate McGowan argues that some racist speech in public places should be made unlawful in the United States for the same reason that sexist behaviour in the workplace is already legally actionable—namely, to protect individuals from a hostile discriminatory environment. While McGowan may be correct that some public racist speech may constitute an act of discrimination in some morally significant sense, I present several reasons (...)
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  39.  8
    Good and evil in the garden of art: discrimination as the guarantor of civilization.Anthony Daniels - 2016 - New York, New York: Criterion Books.
    Anthony Daniels tackles the complex relation between good and bad art on the one hand and good and bad ideas on the other. He contrasts authors or artists whom he considers good with those he considers bad, and tries to explain why his opinion is not merely a matter of individual taste but is based upon reason as well. He argues judgment and discrimination (between good and bad, beautiful and ugly) are intrinsic to any conceivable human existence, indeed to (...)
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  40.  13
    Subjective Well-Being Among Unaccompanied Refugee Youth: Longitudinal Associations With Discrimination and Ethnic Identity Crisis.Brit Oppedal, Serap Keles & Espen Røysamb - 2022 - Frontiers in Psychology 13.
    Unaccompanied refugee youth, who as children fled their countries to seek asylum in a foreign country without the company of an adult legal caretaker are described as being in a vulnerable situation. Many of them struggle with mental reactions to traumatic events experienced pre-migration, and to the daily hassles they face after being granted asylum and residence. Despite continuous high levels of mental health problems URY demonstrate remarkable agency and social mobility in the years after being granted asylum in their (...)
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  41.  28
    Unconfounding time and number discrimination in a Mechner counting schedule.Donald M. Wilkie, Janet B. Webster & Leslie G. Leader - 1979 - Bulletin of the Psychonomic Society 13 (6):390-392.
  42. Playing with Cards: Discrimination Claims and the Charge of Bad Faith.David Schraub - 2016 - Social Theory and Practice 42 (2):285-303.
    A common response to claims of bias, harassment, or discrimination is to say that these claims are made in bad faith. Claimants are supposedly not motivated by a credible or even sincere belief that unfair or unequal treatment has occurred, but simply seek to illicitly gain public sympathy or private reward. Characterizing discrimination claims as systematically made in bad faith enables them to be screened and dismissed prior to engaging with them on their merits. This retort preserves the (...)
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  43.  38
    Perceived Discrimination and Life Satisfaction of Elderly Chinese People: The Chain Mediating Effects of National Identity and Sense of Community.Jin Yao, Liping Yang, Xiaoxia Han & Yiying Li - 2018 - Frontiers in Psychology 9.
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  44.  67
    From privacy to anti-discrimination in times of machine learning.Thilo Hagendorff - 2019 - Ethics and Information Technology 21 (4):331-343.
    Due to the technology of machine learning, new breakthroughs are currently being achieved with constant regularity. By using machine learning techniques, computer applications can be developed and used to solve tasks that have hitherto been assumed not to be solvable by computers. If these achievements consider applications that collect and process personal data, this is typically perceived as a threat to information privacy. This paper aims to discuss applications from both fields of personality and image analysis. These applications are often (...)
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  45. Impartiality and disability discrimination.Greg Bognar - 2011 - Kennedy Institute of Ethics Journal 21 (1):1-23.
    Cost-effectiveness analysis is the standard analytical tool for evaluating the aggregate health benefits of treatments, interventions, or health programs. It works by comparing the ratio of costs and benefits of different alternatives. The lower the ratio, the more effective the treatment, intervention, or program. The use of cost-effectiveness analysis can ensure that scarce health care resources are allocated in a way that maximizes the satisfaction of health needs. According to a common objection, however, the use of cost-effectiveness analysis for setting (...)
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  46.  35
    Stimulus generalization in the absence of discrimination factors.Donald T. Tosti & Henry C. Ellis - 1964 - Journal of Experimental Psychology 68 (6):595.
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  47.  21
    The effect of punishment on discrimination learning in a non-correction situation.George J. Wischner - 1947 - Journal of Experimental Psychology 37 (4):271.
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  48.  31
    (1 other version)Coronavirus Is a Curse / Discrimination Makes It Worse.Felicia Nimue Ackerman - forthcoming - Ethics in Biology, Engineering and Medicine: An International Journal.
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  49.  27
    Roc curves for discrimination of linear extent.C. Douglas Creelman & Wayne Donaldson - 1968 - Journal of Experimental Psychology 77 (3p1):514.
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  50.  44
    The decline of pitch discrimination with time.J. Donald Harris - 1952 - Journal of Experimental Psychology 43 (2):96.
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