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Works by Bruno G. Breitmeyer

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  1.  43
    Implications of sustained and transient channels for theories of visual pattern masking, saccadic suppression, and information processing.Bruno G. Breitmeyer &Leo Ganz -1976 -Psychological Review 83 (1):1-36.
  2.  20
    Unmasking visual masking: A look at the "why" behind the veil of the "how.".Bruno G. Breitmeyer -1980 -Psychological Review 87 (1):52-69.
  3.  74
    Problems with the psychophysics of intention.Bruno G. Breitmeyer -1985 -Behavioral and Brain Sciences 8 (4):539-540.
  4.  57
    Psychophysical “blinding” methods reveal a functional hierarchy of unconscious visual processing.Bruno G. Breitmeyer -2015 -Consciousness and Cognition 35:234-250.
  5.  56
    Unconscious color priming occurs at stimulus- not percept-dependent levels of processing.Bruno G. Breitmeyer,Tony Ro &Neel S. Singhal -2004 -Psychological Science 15 (3):198-202.
  6. Unconscious and conscious priming by forms and their parts.Bruno G. Breitmeyer,Haluk Ogmen,Jose Ramon &Jian Chen -2005 -Visual Cognition 12 (5):720-736.
  7.  73
    Unconscious priming by color and form: Different processes and levels.Bruno G. Breitmeyer,Haluk Ogmen &Jian Chen -2004 -Consciousness and Cognition 13 (1):138-157.
    Using a metacontrast masking paradigm, prior studies have shown that a target’s color information and form information, can be processed without awareness and that unconscious color processing occurs at early, wavelength-dependent levels in the cortical information processing hierarchy. Here we used a combination of paracontrast and metacontrast masking techniques to explore unconscious color and form priming effects produced by blue, green, and neutral stimuli. We found that color priming in normal observers is significantly reduced when an additional paracontrast mask precedes (...) the target at optimal masking SOAs. However, no reduction of form-priming effects was obtained at similar optimal paracontrast SOAs. We conclude that unconscious color priming depends on an early, wavelength- or stimulus-dependent response of color neurons located at early cortical levels whereas unconscious form priming occurs at later levels. (shrink)
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  8.  20
    The First Half Second: The Microgenesis and Temporal Dynamics of Unconscious and Conscious Visual Processes.Haluk O. Gmen &Bruno G. Breitmeyer -2006 - MIT Press.
    Empirical and theoretical foundations for the study of the temporal dynamics of mechanisms contributing to unconscious and conscious processing of visual information; from computational, psychological, neuropsychological, and neurophysiological perspectives.
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  9.  79
    A comparison of masking by visual and transcranial magnetic stimulation: implications for the study of conscious and unconscious visual processing.Bruno G. Breitmeyer,Tony Ro &Haluk Ogmen -2004 -Consciousness and Cognition 13 (4):829-843.
    Visual stimuli as well as transcranial magnetic stimulation can be used: to suppress the visibility of a target and to recover the visibility of a target that has been suppressed by another mask. Both types of stimulation thus provide useful methods for studying the microgenesis of object perception. We first review evidence of similarities between the processes by which a TMS mask and a visual mask can either suppress the visibility of targets or recover such suppressed visibility. However, we then (...) also point out a significant difference that has important implications for the study of the time course of unconscious and conscious visual information processing and for theoretical accounts of the processes involved. We present evidence and arguments showing: that visual masking techniques, by revealing more detailed aspects of target masking and target recovery, support a theoretical approach to visual masking and visual perception that must take into account activities in two separate neural channels or processing streams and, as a corollary, that at the current stage of methodological sophistication visual masks, by acting in more highly specifiable ways on these pathways, provide information about the microgenesis of form perception not available with TMS masks. (shrink)
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  10.  59
    In support of Pockett's critique of Libet's studies of the time course of consciousness.Bruno G. Breitmeyer -2002 -Consciousness and Cognition 11 (2):280-283.
    Susan Pockett presents sound arguments supporting her reinterpretations of data that Libet and co-workers used to support a number of intriguing and influential conclusions regarding the microgenesis and timing of conscious sensory experience and volitionally controlled motor responses. The following analysis, extending and elaborating some of her main arguments, proposes that Libet's experimental methodologies and rationales, and thus also his interpretation of data, are flawed and that neglect or ignorance of methodological and empirical constraints well known to sensory psychologists risks (...) drawing premature or faulty conclusions about the timing of conscious experience. (shrink)
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  11. Unconscious, stimulus-dependent priming and conscious, percept-dependent priming with chromatic stimuli.Bruno G. Breitmeyer,Tony Ro,Haluk Ögmen &Steven Todd -2007 -Perception and Psychophysics 69 (4):550-557.
  12.  20
    The Visual (Un)Conscious and its (Dis)Contents: A Microtemporal Approach.Bruno G. Breitmeyer -2014 - Oxford University Press.
    Visual control of our actions can be unconscious as well as conscious. The book explores unconscious and conscious vision, investigated using psychophysical and brain-recording methods. The book sheds new light on and advances experimental, philosophical, and scholarly research on visual consciousness.
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  13.  30
    Metacontrast masking as a function of mask energy.Bruno G. Breitmeyer -1978 -Bulletin of the Psychonomic Society 12 (1):50-52.
  14.  33
    Icon as visual persistence: Alive and well.Bruno G. Breitmeyer -1983 -Behavioral and Brain Sciences 6 (1):15-16.
  15.  55
    Properties of spatial attention in conscious and nonconscious visual information processing.Evelina Tapia,Bruno G. Breitmeyer &Elizabeth C. Broyles -2011 -Consciousness and Cognition 20 (2):426-431.
    A modified flanker task was used to assess the effects of spatial attention during conscious and nonconscious processing. In line with prior findings, we demonstrated that increasing spatial separation between flankers and probes diminished the differences between reaction times to the incongruent and congruent probe–flanker pairs. This trend occurred even when the identity of flankers was suppressed from awareness by a metacontrast mask, indicating that spatial attention can be allocated to information processed at the nonconscious, in addition to the conscious, (...) levels, that effects of spatial attention at these two levels can be equivalent, and that attention deployed at the nonconscious level of processing can be characterized by a spatial gradient that is nearly identical to that found at the conscious level of processing. (shrink)
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  16.  38
    ‘‘Change of Mind’’ within and between nonconscious and conscious visual processing.Bruno G. Breitmeyer &Wahab Hanif -2008 -Consciousness and Cognition 17 (1):254-266.
    We examined the updating of decisions made during visuo-motor processing when two sequentially presented stimuli, Prime1 and Prime2, primed discriminative responses to a following probe. In Experiment 1, the visibility of the two primes was suppressed or left intact by varying the stimulus onset asynchrony of the stimuli immediately following them. In Experiment 2, the visibility of Prime2 was suppressed or left intact by varying its spatial separation from the following probe. We found that Prime2 dominated the effects of Prime1; (...) that Prime2’s updating was stronger when the Prime2–probe SOA was 200 as compared to 53 ms; and that Prime2’s updating was weaker when the Prime2–probe spatial separation was 58 as compared to 0 minarc. We conclude that these effects are due to an interaction of spatial attention and the state of processing of Prime2. (shrink)
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  17.  20
    Experimental Phenomena of Consciousness: A Brief Dictionary.Talis Bachmann,Bruno G. Breitmeyer &Haluk Öğmen -2007 - New York: Oxford University Press. Edited by Bruno G. Breitmeyer & Haluk Öğmen.
    Experimental Phenomena of Consciousness is the definitive collection of consciousness phenomena in which awareness emerges as an experimental variable.
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  18.  101
    Feedforward and feedback processes in vision.Hulusi Kafaligonul,Bruno G. Breitmeyer &Haluk Öğmen -2015 -Frontiers in Psychology 6.
  19.  18
    Express saccades: Attention, fixation or both?Bruno G. Breitmeyer -1993 -Behavioral and Brain Sciences 16 (3):572-572.
  20.  41
    Exploring the visual (un)conscious.Bruno G. Breitmeyer,Markus Kiefer &Michael Niedeggen -2015 -Consciousness and Cognition 35:178-184.
  21. Neural correlates and levels of conscious and unconscious vision.Bruno G. Breitmeyer &Petra Stoerig -2006 - In Haluk O. Gmen & Bruno G. Breitmeyer,The First Half Second: The Microgenesis and Temporal Dynamics of Unconscious and Conscious Visual Processes. MIT Press. pp. 35-48.
  22.  16
    On the role of stroboscopic motion in metacontrast.Bruno G. Breitmeyer &Karl Horman -1981 -Bulletin of the Psychonomic Society 17 (1):29-32.
  23.  41
    Ups and downs of the visual field: Manipulation and locomotion.Bruno G. Breitmeyer -1990 -Behavioral and Brain Sciences 13 (3):545-546.
  24. Visual masking reveals differences between the nonconscious and conscious processing of form and surface attributes.Bruno G. Breitmeyer &Haluk Ögmen -2006 - In Haluk O. Gmen & Bruno G. Breitmeyer,The First Half Second: The Microgenesis and Temporal Dynamics of Unconscious and Conscious Visual Processes. MIT Press. pp. 315-333.
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