publication . Article . 2009

Differential maturation of brain signal complexity in the human auditory and visual system.

Sarah Lippe; Natasa Kovacevic; Randy McIntosh;
Open Access
  • Published: 01 Nov 2009 Journal: Frontiers in Human Neuroscience, volume 3 (eissn: 1662-5161, Copyright policy)
  • Publisher: Frontiers Media SA
Abstract
Brain development carries with it a large number of structural changes at the local level which impact on the functional interactions of distributed neuronal networks for perceptual processing. Such changes enhance information processing capacity, which can be indexed by estimation of neural signal complexity. Here, we show that during development, EEG signal complexity increases from one month to 5 years of age in response to auditory and visual stimulation. However, the rates of change in complexity were not equivalent for the two responses. Infants’ signal complexity for the visual condition was greater than auditory signal complexity, whereas adults sh...
Subjects
Medical Subject Headings: sense organs
free text keywords: Biological Psychiatry, Behavioral Neuroscience, Neuropsychology and Physiological Psychology, Neurology, Psychiatry and Mental health, Computer science, Stimulus (physiology), Information processing, Electroencephalography, medicine.diagnostic_test, medicine, Stimulation, Sensory system, Neuroscience, Brain development, Structure and function, Perception, media_common.quotation_subject, media_common, Review Article, development, EEG, signal, entropy, complexity, vision, audition, infant, Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Funded by
CIHR
Project
  • Funder: Canadian Institutes of Health Research (CIHR)
Communities
Neuroinformatics
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