We have ranged over all the main phases of human information processing - from information encoding, storage, retrieval, and transformation to output… - Max Velmans

Consider how one silently reads the following sentence: ‘The forest ranger did not permit us to enter the reserve without a permit’. Note that on its first occurrence, the word ‘permit’ was (silently) pro-nounced with the stress on the second syllable (permit), hereas on its second occurrence the stress was on the first syllable (permit)... The syntactic and semantic analysis required to determine the appropriate meaning of the word ‘permit’ must have taken place prior to the allocation of the stress pattern; and this in turn, must have taken place prior to the phonemic image entering awareness.

Anything that we are aware of at a given moment forms part of our consciousness, making conscious experience at once the most familiar and most mysterious aspect of our lives.

p. 651Abstract. Investigations of the function of consciousness in human information processing have focused mainly on two questions: (1) where does consciousness enter into the information processing sequence and (2) how does conscious processing differ from preconscious and unconscious processing. Input analysis is thought to be initially "preconscious," "pre-attentive," fast, involuntary, and automatic. This is followed by "conscious," "focal-attentive" analysis which is relatively slow, voluntary, and flexible. It is thought that simple, familiar stimuli can be identified preconsciously, but conscious processing is needed to identify complex, novel stimuli. Conscious processing has also been thought to be necessary for choice, learning and memory, and the organization of complex, novel responses, particularly those requiring planning, reflection, or creativity. The present target article reviews evidence that consciousness performs none of these functions. Consciousness nearly always results from focal-attentive processing (as a form of output) but does not itself enter into this or any other form of human information processing. This suggests that the term "conscious process" needs re-examination. Consciousness appears to be necessary in a variety of tasks because they require focal-attentive processing; if consciousness is absent, focal-attentive processing is absent. Viewed from a first-person perspective, however, conscious states are causally effective. First-person accounts are complementary to third-person accounts. Although they can be translated into third-person accounts, they cannot be reduced to them.