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Sensory neural codes using multiplexed temporal scales
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DOI：10.1016/j.tins.2009.12.001.png)
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Determining how neuronal activity represents sensory information is central for understanding perception. Recent work shows that neural responses at different timescales can encode different stimulus attributes, resulting in a temporal multiplexing of sensory information. Multiplexing increases the encoding capacity of neural responses, enables disambiguation of stimuli that cannot be discriminated at a single response timescale, and makes sensory representations stable to the presence of variability in the sensory world. Thus, as we discuss here, temporal multiplexing could be a key strategy used by the brain to form an information-rich and stable representation of the environment.
Keyword:
PRIMARY VISUAL-CORTEX
NEOCORTICAL PYRAMIDAL NEURONS
LOCAL-FIELD POTENTIALS
SOMATOSENSORY CORTEX
INFORMATION-THEORY
AUDITORY-CORTEX
INTERSPIKE INTERVALS
CORTICAL-NEURONS
SINGLE NEURONS
SPIKE TRAIN
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