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The Clinical Use of Retinotopy in Functional Hemianopia
Roberto Mendes Franco1, Otília C d'Almeida2,3, Miguel Raimundo2,3,4
1Neurology Department, Dr. Nélio Mendonça Hospital, Funchal, Portugal.
Neuro-Ophthalmology (Aeolus Press)
|February 5, 2026
Summary
Functional hemianopia diagnosis can be challenging. Population receptive field (pRF) mapping using functional magnetic resonance imaging (fMRI) shows preserved visual function, aiding clinical assessment.
Area of Science:
- Neuroscience
- Ophthalmology
- Radiology
Background:
- Functional visual loss poses diagnostic difficulties in clinical settings.
- Traditional diagnostic methods like visual-evoked potentials (VEP) can be cumbersome and inconclusive.
- Population receptive field (pRF) mapping, an fMRI technique, is primarily used in research for visual function studies.
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