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EnglishOptical topography is a non-invasive functional brain imaging technique, which uses light in the near infra-red spectrum and allows to detect hemodynamic changes in the cerebral cortex. Specifically, it measures relative changes in oxygenated, de-oxygenated and total haemoglobin concentrations, reflecting variations in the cerebral blood flow and volume. This technique does not need sedation and it is safe: consequently, it appears particularly feasible for studying cerebral neonatal development. Neonatal cerebral cortex activa- tions associated both with simple sensory stimuli and with more complex cognitive or af- fective-relational have been detected. In neonatology, a promising research field is rela- ted to the detection of cerebral hemodynamic response observed in specific conditions (su- ch as encephalopathies and perinatal asphyxia).
| Titolo: | Lo studio funzionale della corteccia cerebrale nel neonato con la topografia ottica | |
| Autori: | ||
| Data di pubblicazione: | 2009 | |
| Rivista: | ||
| Abstract: | Optical topography is a non-invasive functional brain imaging technique, which uses light in the near infra-red spectrum and allows to detect hemodynamic changes in the cerebral cortex. Specifically, it measures relative changes in oxygenated, de-oxygenated and total haemoglobin concentrations, reflecting variations in the cerebral blood flow and volume. This technique does not need sedation and it is safe: consequently, it appears particularly feasible for studying cerebral neonatal development. Neonatal cerebral cortex activa- tions associated both with simple sensory stimuli and with more complex cognitive or af- fective-relational have been detected. In neonatology, a promising research field is rela- ted to the detection of cerebral hemodynamic response observed in specific conditions (su- ch as encephalopathies and perinatal asphyxia). | |
| Handle: | http://hdl.handle.net/11368/2635323 | |
| Appare nelle tipologie: | 1.1 Articolo in Rivista |
