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Enhancing peripheral scene recognition through spatial frequency training: Behavioral evidence from macular
Cynthia Faurite1, Célia Michaud2, Pauline Olivier1
1Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LPNC, Grenoble, France.
Neuropsychologia
|January 26, 2026
Summary
Perceptual training improved visual processing in macular degeneration (MD) patients by enhancing their ability to use low spatial frequencies (LSF) and some high spatial frequencies (HSF) via peripheral vision. This offers potential for visual rehabilitation.
Area of Science:
- Ophthalmology
- Neuroscience
- Vision Science
Background:
- Macular degeneration (MD) causes central vision loss, impacting high spatial frequency (HSF) access and leading to visual function reorganization.
- Low spatial frequencies (LSF) remain accessible via peripheral vision, potentially supporting compensatory processing in MD patients.
Purpose of the Study:
- To investigate if repeated training in categorizing filtered scenes enhances peripheral scene recognition by improving spatial frequency processing in MD patients.
- To assess the efficacy of perceptual training for visual rehabilitation in MD and normal aging.
Main Methods:
- Ten MD patients and ten controls performed a 12-session scene categorization task (LSF/HSF images).
- MD patients trained using their preferred retinal location (PRL); controls used an artificial scotoma to mimic peripheral viewing.
Main Results:
- MD patients showed pre-training deficits in HSF and LSF scene categorization.
- Post-training, MD patients improved LSF categorization and HSF outdoor scene recognition, indicating enhanced peripheral processing.
- Older controls also improved HSF peripheral vision performance after training.
Conclusions:
- Perceptual training can enhance peripheral visual processing in MD patients, leveraging coarse visual cues for partial compensation of HSF deficits.
- Training protocols show promise for visual rehabilitation in MD and for preserving visual-cognitive functions in aging.
Keywords:
Central vision lossPeripheral visionScene categorizationSpatial frequenciesVisual agingVisual trainingMore Related Videos
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