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[Lambda waves in the neonate (author's transl)]
Revue D'Electroencephalographie Et De Neurophysiologie Clinique
|July 1, 1977
Insights
Sharp elements in the infant brain's occipital region appear by the second postnatal week, indicating early visual function. These findings correlate with the emergence of visual attention shortly after birth.
Area of Science:
- Neuroscience
- Developmental Biology
- Pediatric Neurology
Context:
- Neonatal brain development
- Early visual system maturation
- Postnatal development of occipital regions
Purpose:
- To identify and characterize early electrophysiological markers in the infant brain.
- To investigate the emergence of visual function and attention in newborns.
Summary:
- Sharp electrophysiological elements are observed in the occipital regions of infants starting from the second postnatal week.
- These elements, particularly in the occipital midline, resemble adult lambda waves.
- Their early appearance suggests a link to the development of visual function and attention, which emerge around 7-9 days postpartum.
Impact:
- Provides insights into the timeline of early visual processing development.
- Establishes potential electrophysiological markers for assessing infant visual system maturation.
- Contributes to understanding the neurobiological basis of attention development in early life.
Abstract:
Different types of sharp elements can be observed over the occipital regions from the 2nd postnatal week in the open-eyed child, with active eye movement but practically no body movement. Certain of these sharply localised elements in the occipital midlin are identical to adult lambda waves. Their early occurrence calls to mind the emergence of visual function and attention, these latter occurring at the end of the neonatal period between 7 and 9 days.