A Blueprint for the Hard Problem of Consciousness

Awareness of Time

Author(s): Paulo J. Negro

Pp: 60-68 (9)

DOI: 10.2174/9781681087665119010014

* (Excluding Mailing and Handling)


Humans sense the passage of time as a subtle form of experience defined by an absence. Studies of interval timing often focus on the individual´s assessment of a period with no stimulation between two auditory stimuli. Time is an inherent part of Shannon’s information. Brain function contains an invariant time-dimension. Every cortical circuit seems to have an inherent computational ability for timing regulated by time-dependent changes in synaptic and cellular properties. Local networks affect qualia of time experienced both in visual and auditory experiments. State-dependent local learning and oscillatory phase shifts support a role for early cortical processing in time discrimination. Brain oscillatory phases predict conscious perception. The temporal cortex adjusts its own oscillatory phase, mapping its window of analysis of incoming time-sensitive events. These phase adjustments support the existence of active brain-centric expectations in time perception and other conscious experiences.

Keywords: Alpha power, Auditory Consciousness, Brain-Centric Expectations, Early Cortical Processing of Information, Entrained Neuronal Stimulation, Interval Timing, Multimodal Integration, Near-Threshold Perception, Neural Assemblies, Oscillatory Phase, Pre-Stimulus, Scalar Timing Theory, Shannon’s Information, Short-Term Synaptic Plasticity, Striatal Beat-Frequency Model, State-Dependent Expectations, Temporal Dynamics, Time Perception, Visual Cortex Adaptation, Window of Analysis Calibration.

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