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Fig 4. Relationship between visual fixation score, FA, and age. FA within the optic radiation increases with GA. The symbols are colored to indicate each neonate's visual fixation score on a scale from 1 to 5. Neonates with higher visual fixation scores demonstrated better visual fixation and tracking behavior. The visual fixation score correlated significantly with FA, independent of age. This relationship between visual fixation score and FA is evident within the set of neonates older than 39 weeks’ GA. Two neonates older than 39 weeks’ GA with abnormally poor visual examination performance also displayed abnormally low FA.
