2021
DOI: 10.15439/2021f32
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Classification of Alzheimer's disease patients using metrics of oculo-motors

Abstract: Ocular information was observed during a set of dementia tests involving participants with Alzheimer's Disease (AD), with a mild level of cognitive impairment (MCI), or in a control group. The number of participants was 26. Features of changes in pupil size and in the central position of both eyes of participants of all three types were compared. There are significant differences in some of the metrics between the types, in earlier test sessions. The possibility of classification was confirmed using the extrac… Show more

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Cited by 5 publications
(3 citation statements)
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“…Mit der Erkennung von Demenzsymptomen anhand von Augenmerkmalen beschäftigt sich ein polnisch-japanisches Forschungsteam und stellte bereits zum dritten Mal seine Ergebnisse vor. Nachdem in den vorangegangenen Jahren bereits Indikatoren der Augenmotoren, die sich bei Demenzerkrankten signifikant von der Kontrollgruppe unterscheiden (Nowak, Nakayama, Trypka & Zarowska, 2021), sowie die Pupillenlichtreflexe präsentiert wurden (Nakayama, Nowak & Zarowska, 2022), waren dieses Mal Wellenformmerkmale der Pupillenlichtreflexe (PLR) Gegenstand ihrer Forschung (Nakayama, Nowak & Zarowska, 2023).…”
Section: Forschungsberichteunclassified
“…Mit der Erkennung von Demenzsymptomen anhand von Augenmerkmalen beschäftigt sich ein polnisch-japanisches Forschungsteam und stellte bereits zum dritten Mal seine Ergebnisse vor. Nachdem in den vorangegangenen Jahren bereits Indikatoren der Augenmotoren, die sich bei Demenzerkrankten signifikant von der Kontrollgruppe unterscheiden (Nowak, Nakayama, Trypka & Zarowska, 2021), sowie die Pupillenlichtreflexe präsentiert wurden (Nakayama, Nowak & Zarowska, 2022), waren dieses Mal Wellenformmerkmale der Pupillenlichtreflexe (PLR) Gegenstand ihrer Forschung (Nakayama, Nowak & Zarowska, 2023).…”
Section: Forschungsberichteunclassified
“…Condition 1 was designed to observe the degree of pupillary oscillation while at rest. Subsequently, the frequency powers of both eyes were calculated separately [17]. The frequency powers are summarized for each eye in three frequency bands as PSD1:∼1.6Hz, PSD2:1.6∼4.0Hz, and PSD3: 0.35∼0.7Hz.…”
Section: Plr Waveforms and Feature Extractionmentioning
confidence: 99%
“…Also, PLR responses based on Melanopsin ganglion cells [15,21,40] can be applied to the study of Aged Macular Disease (AMD) and AD [15,21,8], and the possibility of their use in diagnosing these diseases has been studied [29,34,32,31]. A simple procedure to detect AMD and AD patients is required for medical and clinical staff who treat elderly people [33]. In a sense, a diagnostic procedure using ocular-motors may be an easy method, as it does not require verbal communication.…”
Section: Introductionmentioning
confidence: 99%