Steven Lehar Boston University
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About me
My interest is in the Representationalist theory of perception, that the world we see in experience is not the real world itself, but merely a perceptual replica of that world reconstructed in our head. See my book: The World In Your Head, and my paper Gestalt Isomorphism and the Primacy of Subjective Conscious Experience.
My works
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  1. Steven Lehar (forthcoming). The Function of Conscious Experience: An Analogical Paradigm of Perception and Behavior. Consciousness and Cognition.
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  2. Steven Lehar (2003). Gestalt Isomorphism and the Primacy of Subjective Conscious Experience: A Gestalt Bubble Model. Behavioral and Brain Sciences 26 (4):357-408.
    A serious crisis is identified in theories of neurocomputation, marked by a persistent disparity between the phenomenological or experiential account of visual perception and the neurophysiological level of description of the visual system. In particular, conventional concepts of neural processing offer no explanation for the holistic global aspects of perception identified by Gestalt theory. The problem is paradigmatic and can be traced to contemporary concepts of the functional role of the neural cell, known as the Neuron Doctrine. In the absence (...)
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  3. Steven Lehar (2003). The World in Your Head: A Gestalt View of the Mechanism of Conscious Experience. Lawrence Erlbaum.
    The World In Your Head: A Gestalt View of the Mechanism of Conscious Experience represents a bold assault on one of the greatest unsolved mysteries in science: the nature of consciousness and the human mind. Rather than examining the brain and nervous system to see what they tell us about the mind, this book begins with an examination of conscious experience to see what it can tell us about the brain. Through this analysis, the first and most obvious observation is (...)
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  4. Steven Lehar, Computational Implications of Gestalt Theory: The Role of Feedback in Visual Processing.
    Neurophysiological investigations of the visual system by way of single-cell recordings have revealed a hierarchical architecture in which lower level areas, such as the primary visual cortex, contain cells that respond to simple features, while higher level areas contain cells that respond to higher order features apparently composed of combinations of lower level features. This architecture seems to suggest a feed-forward processing strategy in which visual information progresses from lower to higher visual areas. However there is other evidence, both neurophysiological (...)
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  5. S. Lehar (2000). The Dimensions of Conscious Experience: A Quantitative Analysis. Consciousness and Cognition 9 (2):S56 - S57.
     
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  6. Steven Lehar (2000). The Dimensions of Conscious Experience: A Quantitative Phenomenology. Consciousness and Cognition 9 (2).
    Psychology was originally formulated as the science of the _psyche_, i.e. the subjective side of the mind / brain barrier. However time and again it has been diverted from this objective in the supposed interest of scientific rigor. The Behaviorists proposed to transform psychology to a science of behavior, and today the Neuroreductionists propose to transform it to a science of neurophysiology. In the process they attempt to deny the very existence of conscious experience as valid object of scientific scrutiny. (...)
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  7. Steven Lehar (1998). Gestalt Isomorphism and the Primacy of the Subjective Perceptual Experience. Behavioral and Brain Sciences 21 (6):763-764.
    The Gestalt principle of isomorphism reveals the primacy of subjective experience as a valid source of evidence for the information encoded neurophysiologically. This theory invalidates the abstractionist view that the neurophysiological representation can be of lower dimensionality than the percept to which it gives rise.
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  8. S. Lehar (1996). Interaction of Lightness, Brightness, and Form Perception Requires a Spatial Reconstruction of the Perceived Configuration. In Enrique Villanueva (ed.), Perception. Ridgeview. 137-137.
     
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