22 found
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  1.  22
    The Impact of the Covid-19 Pandemic on Disgust Sensitivity.Richard J. Stevenson, Supreet Saluja & Trevor I. Case - 2021 - Frontiers in Psychology 11.
    There have been few tests of whether exposure to naturalistic or experimental disease-threat inductions alter disgust sensitivity, although it has been hypothesized that this should occur as part of disgust’s disease avoidance function. In the current study, we asked Macquarie university students to complete measures of disgust sensitivity, perceived vulnerability to disease, hand hygiene behavior and impulsivity, during Australia’s Covid-19 pandemic self-quarantine period, in March/April 2020. These data were then compared to earlier Macquarie university, and other local, and overseas student (...)
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  2.  86
    Phenomenal and access consciousness in olfaction.Richard J. Stevenson - 2009 - Consciousness and Cognition 18 (4):1004-1017.
    Contemporary literature on consciousness, with some exceptions, rarely considers the olfactory system. In this article the characteristics of olfactory consciousness, viewed from the standpoint of the phenomenal /access distinction, are examined relative to the major senses. The review details several qualitative differences in both olfactory P consciousness and A consciousness . The basis for these differences is argued to arise from the functions that the olfactory system performs and from the unique neural architecture needed to instantiate them. These data suggest, (...)
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  3.  43
    Olfactory illusions: Where are they?Richard J. Stevenson - 2011 - Consciousness and Cognition 20 (4):1887-1898.
    It has been suggested that there maybe no olfactory illusions. This manuscript examines this claim and argues that it arises because olfactory illusions are not typically accompanied by an awareness of their illusory nature. To demonstrate that olfactory illusions do occur, the relevant empirical literature is reviewed, by examining instances of where the same stimulus results in different percepts, and of where different stimuli result in the same percept. The final part of the manuscript evaluates the evidence favoring the existence (...)
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  4.  54
    Object Concepts in the Chemical Senses.Richard J. Stevenson - 2014 - Cognitive Science 38 (7):1360-1383.
    This paper examines the applicability of the object concept to the chemical senses, by evaluating them against a set of criteria for object‐hood. Taste and chemesthesis do not generate objects. Their parts, perceptible from birth, never combine. Orthonasal olfaction (sniffing) presents a strong case for generating objects. Odorants have many parts yet they are perceived as wholes, this process is based on learning, and there is figure‐ground segregation. While flavors are multimodal representations bound together by learning, there is no functional (...)
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  5. The Cognitive Control of Eating and Body Weight: It’s More Than What You “Think”.Terry L. Davidson, Sabrina Jones, Megan Roy & Richard J. Stevenson - 2019 - Frontiers in Psychology 10.
  6.  46
    A Proximal Perspective on Disgust.Richard J. Stevenson, Trevor I. Case, Megan J. Oaten, Lorenzo Stafford & Supreet Saluja - 2019 - Emotion Review 11 (3):209-225.
    The functional basis of disgust in disease avoidance is widely accepted; however, there is disagreement over what disgust is. This is a significant problem, as basic questions about disgust require...
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  7.  52
    Detecting olfactory rivalry.Richard J. Stevenson & Mehmet K. Mahmut - 2013 - Consciousness and Cognition 22 (2):504-516.
    Olfactory rivalry can occur when a binary mixture is sniffed repeatedly, with one percept dominating then the other. Experiment 1 demonstrated olfactory rivalry using several new techniques. Experiments 2 and 3 examined whether participants can notice rivalry. Participants received trials composed of odor pairs: either a mixture followed by the same mixture; or a pure odor followed by the same pure odor. On some trials participants judged whether the two stimuli were the same or different, to see if they could (...)
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  8.  16
    A mnemonic theory of odor perception.Richard J. Stevenson & Robert A. Boakes - 2003 - Psychological Review 110 (2):340-364.
  9.  39
    Television and eating: repetition enhances food intake.Utsa Mathur & Richard J. Stevenson - 2015 - Frontiers in Psychology 6.
  10. The uniquely predictive power of evolutionary approaches to mind and behavior.Ian D. Stephen, Mehmet K. Mahmut, Trevor I. Case, Julie Fitness & Richard J. Stevenson - 2014 - Frontiers in Psychology 5.
  11.  35
    The Immediate and Delayed Effects of TV: Impacts of Gender and Processed-Food Intake History.Heather M. Francis, Richard J. Stevenson, Megan J. Oaten, Mehmet K. Mahmut & Martin R. Yeomans - 2017 - Frontiers in Psychology 8.
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  12.  26
    No Effect of Featural Attention on Body Size Aftereffects.Ian D. Stephen, Chloe Bickersteth, Jonathan Mond, Richard J. Stevenson & Kevin R. Brooks - 2016 - Frontiers in Psychology 7.
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  13.  21
    Evidence that phenomenal olfactory content exceeds what can later be accessed.Richard J. Stevenson & Mehmet Mahmut - 2014 - Consciousness and Cognition 30:210-219.
  14.  3
    Contamination in Trypophobia: investigating the role of disgust.Simone Hain & Richard J. Stevenson - forthcoming - Cognition and Emotion.
    Trypophobia is a relatively common aversion to clusters of holes. There is no consensus yet on which emotions are involved in Trypophobia nor in its functional utility. This report investigates the role of disgust using contamination tasks in two studies, which contrast people with an aversion to trypophobic stimuli to those without. In Study 1, participants reported their emotional reactions to imagined contamination of trypophobic images. In Study 2, participants evaluated physically present trypophobic, disgust, fear, and control stimuli. The capacity (...)
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  15.  22
    Human hunger as a memory process.Richard J. Stevenson, Martin R. Yeomans & Heather M. Francis - 2024 - Psychological Review 131 (1):174-193.
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  16.  17
    The Thin White Line: Adaptation Suggests a Common Neural Mechanism for Judgments of Asian and Caucasian Body Size.Lewis Gould-Fensom, Chrystalle B. Y. Tan, Kevin R. Brooks, Jonathan Mond, Richard J. Stevenson & Ian D. Stephen - 2019 - Frontiers in Psychology 10.
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  17.  16
    Production of spontaneous and posed facial expressions in patients with Huntington's disease: Impaired communication of disgust.Catherine J. Hayes, Richard J. Stevenson & Max Coltheart - 2009 - Cognition and Emotion 23 (1):118-134.
    Several studies have reported impairment in the recognition of facial expressions of disgust in patients with Huntington's disease (HD) and preclinical carriers of the HD gene. The aim of this study was to establish whether impairment for disgust in HD patients extended to include the ability to express the emotion on their own faces. Eleven patients with HD, and 11 age and education matched healthy controls participated in three tasks concerned with the expression of emotions. One task assessed the spontaneous (...)
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  18.  27
    Do Single Men Smell and Look Different to Partnered Men?Mehmet K. Mahmut & Richard J. Stevenson - 2019 - Frontiers in Psychology 10.
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  19.  42
    Failure to Obtain Reinstatement of an Olfactory Representation.Mehmet K. Mahmut & Richard J. Stevenson - 2015 - Cognitive Science 39 (8):1940-1949.
    It has long been suspected that attentional processes differ between olfaction and the other senses. Here, we test whether voluntary dishabituation, seen, for example, when we re-attend to the ticking of a clock, can occur in olfaction. Participants were seated in an odorized room, where at various intervals they had to evaluate what they could smell. An experimental group had one nostril open and the other closed, except during the evaluations, so that the closed side was subject to centrally driven (...)
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  20.  23
    Limits to knowing in olfaction.Richard J. Stevenson - 2012 - Consciousness and Cognition 21 (1):593-594.
  21.  28
    People Believe and Behave as if Consumers of Natural Foods Are Especially Virtuous.Zoe Taylor & Richard J. Stevenson - 2018 - Frontiers in Psychology 9:359024.
    We examined here whether people believe consumers of natural foods are more virtuous than consumers of unnatural foods. In Study One we asked student participants (n = 84; 77 female, M age = 19.5) to form an impression of another person based solely upon whether they ate natural or unnatural foods, these being determined in a pilot survey. On an open response format, participants reported more positive moral and health traits in consumers of natural foods. These findings were further confirmed (...)
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  22.  26
    Olfactory asymmetric dysfunction in early Parkinson patients affected by unilateral disorder.Gesualdo M. Zucco, Francesco Rovatti & Richard J. Stevenson - 2015 - Frontiers in Psychology 6.