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  1. Common fronto-parietal activity in attention, memory, and consciousness: Shared demands on integration?Hamid Reza Naghavi & Lars Nyberg - 2005 - Consciousness and Cognition 14 (2):390-425.
    Fronto-parietal activity has been frequently observed in fMRI and PET studies of attention, working memory, and episodic memory retrieval. Several recent fMRI studies have also reported fronto-parietal activity during conscious visual perception. A major goal of this review was to assess the degree of anatomical overlap among activation patterns associated with these four functions. A second goal was to shed light on the possible cognitive relationship of processes that relate to common brain activity across functions. For all reviewed functions we (...)
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  • The ties that keep us bound: Top-down influences on the persistence of shape-from-motion☆.Evan F. Risko, Mike J. Dixon, Derek Besner & Susanne Ferber - 2006 - Consciousness and Cognition 15 (2):475-483.
    The phenomenon of perceptual persistence after the motion stops in shape-from-motion displays was used to study the influence of prior knowledge on the maintenance of a percept in awareness. In SFM displays an object composed of discontinuous line segments are embedded in a background of randomly oriented lines. The object only becomes perceptible when the line segments that compose the object and the lines that compose the background move in counterphase. Critically, once the movement of the line segments stops, the (...)
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  • Neural correlates of subliminal and supraliminal letter processing—An event-related fMRI study.A. Heinzel, H. Hautzel, T. D. Poeppel, F. Boers, M. Beu & H. -W. Mueller - 2008 - Consciousness and Cognition 17 (3):699-713.
    One problem of interpreting research on subconscious processing is the possibility that participants are weakly conscious of the stimuli. Here, we compared the fMRI BOLD response in healthy adults to clearly visible single letters with the response to letters presented in the absence of any behavioural evidence of visibility . No letter catch trials served as a control condition. Forced-choice responses did not differ from chance when letter-to-background contrast was low, whereas they were almost 100% correct when contrast was high. (...)
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