If you attend to your perception of a visual object (such as this book), then there is at least one second-order process (i.e., attentional processing) taking a first-order process—in this case, visual perception—as its object. If the first-order process—the process creating the seen object, the book in your hands—integrates its information in a smaller time-window than the second-order process (namely, the attention you’re directing at this new inner model), then the integration process on the first-order level will itself become transparent, in the sense that you cannot consciously
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Important, orders of processes in brain.
