Hakwan Lau and David Rosenthal, "Empirical Support for Higher-Order Theories of Conscious Awareness," Trends in Cognitive Sciences 15 (August 2011): 365-373.
Is higher-order representation a mark of access rather than of conscious phenomenology? Lau and Rosenthal say no, citing studies both of brain function (Libet again, as well as frontal lobe studies) and perceptual performance.
F. Savelli and J. J. Knierem, "Coming Up: In Search of the Vertical Dimension in the Brain," Nature Neuroscience 14 (September 2011): 1102-1103.
Robin Hyman et al, "Anisotropic Encoding of Three-Dimensional Space by Place Cells and Grid Cells," Nature Neuroscience 14 (September 2011): 1182-90.
Terrestrial animals represent three-dimensional space anisotropically: the vertical dimension is more coarsely coded, and exaggerated. Do flying animals represent space isotropically? Stay tuned. If they do, this should be of considerable interest to those who investigate the functional connections between self-propulsion and perception.
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