2016
DOI: 10.12659/msm.902061
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Perception of Fechner Illusory Colors in Alzheimer Disease Patients

Abstract: BackgroundAlzheimer disease (AD) primarily affects cognition. A variety of visual disorders was established in AD. Fechner illusory colors are produced by a rotating disk with a black and white pattern. The purpose of our research was to explore the perception of illusory colors in AD.Material/MethodsW recruited 40 AD patients (MMSE ≥14) and 40 normal controls (CG group) matched by age, education, gender in this prospective, cross-sectional, case-control study. An achromatic Benham’s disk attached to a device … Show more

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“…There has been very limited study of PIFC detection in glaucoma ( Tritsch & Pfeiffer, 1994 ) and neurological disease ( Kaubrys, Bukina, Bingelyte, & Taluntis, 2016 ). Currently, the specificity of abnormal PIFC detection to glaucoma is unclear, and further studies of additional subjects with glaucoma and other ophthalmic diseases will be needed to make this determination.…”
Section: Discussionmentioning
confidence: 99%
“…There has been very limited study of PIFC detection in glaucoma ( Tritsch & Pfeiffer, 1994 ) and neurological disease ( Kaubrys, Bukina, Bingelyte, & Taluntis, 2016 ). Currently, the specificity of abnormal PIFC detection to glaucoma is unclear, and further studies of additional subjects with glaucoma and other ophthalmic diseases will be needed to make this determination.…”
Section: Discussionmentioning
confidence: 99%
“…The 'Color' module can be used for testing the improvement of AD patients by displaying colors that may enforce or improve patients' memory [55]. By taking into consideration the decreased visibility of spectral illusory colors in AD patients and the advantages of long-term light therapies in dementia patients in rest/ activity rhythms and sleep efficiency, future versions of the software will include more specialized audio and visual enriched environments for patients, therapists and neurologists [56]. Especially for the audio representations, the users will be able to create melodies, based on the notes sequences and the extracted frequencies will also be used as motifs for advanced searching of orchestral music with a high number of similar notes.…”
Section: Discussionmentioning
confidence: 99%