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Spontaneous eye blinking as a diagnostic marker in prolonged disorders of consciousness.
Sci Rep
November 2021
Department of Psychology, University of Campania "Luigi Vanvitelli", 81100, Caserta, Italy.
Clinical diagnosis of patients with prolonged disorders of consciousness is very challenging. As spontaneous eye blink rate (EBR) is reliably correlated with cognitive activity in healthy individuals, we investigated whether EBR could serve as a marker of patients' level of consciousness. We assessed ten patients in prolonged Vegetative State/Unresponsive Wakefulness Syndrome (VS/UWS; three females; mean age = 50.
View Article and Find Full Text PDFHuman photoreceptor outer segments shorten during light adaptation.
Invest Ophthalmol Vis Sci
May 2013
Institute for Vision Research, University of Iowa, Iowa City, IA 52242, USA.
Purpose: Best disease is a macular dystrophy caused by mutations in the BEST1 gene. Affected individuals exhibit a reduced electro-oculographic (EOG) response to changes in light exposure and have significantly longer outer segments (OS) than age-matched controls. The purpose of this study was to investigate the anatomical changes in the outer retina during dark and light adaptation in unaffected and Best disease subjects, and to compare these changes to the EOG.
View Article and Find Full Text PDFGaze control and vestibular-cervical-ocular responses after prolonged exposure to microgravity.
Aviat Space Environ Med
December 2012
Institute of Biomedical Problems, Organization of the Russian Academy of Sciences (RF SSC - IBMP RAS), 76A Khoroshevskoe shosse, Moscow 123007, Russia.
Background: Microgravity does not affect visual function directly. However, because of the altered afferentation from vestibular, support, and tactile-proprioceptive systems, it could lead to disturbances in visual tracking and inhibit the cosmonaut's activity. Therefore, it is necessary to obtain quantitative evaluations of spaceflight effects upon gaze control and vestibular-cervical-ocular responses.
View Article and Find Full Text PDFItakura Distance: A Useful Similarity Measure between EEG and EOG Signals in Computer-aided Classification of Sleep Stages.
Conf Proc IEEE Eng Med Biol Soc
October 2012
Department of Electrical and Computer Engineering, The University of Texas at El Paso, El Paso, Texas, USA.
Sleep is a natural periodic state of rest for the body, in which the eyes usually close and consciousness is completely or partially lost. Consequently, there is a decrease in bodily movements and responsiveness to external stimuli. Slow wave sleep is of immense interest as it is the most restorative sleep stage during which the body recovers from weariness.
View Article and Find Full Text PDFCervico-oculo-Acoustic syndrome in a male with consanguineous parents.
Can J Neurol Sci
May 2006
Dipartimento di Scienze Neurologiche, Università Federico II Naples, Italy.
Background: The cervico-oculo-acoustic syndrome comprises Klippel-Feil anomaly, sensorineural deafness and Duane's retraction syndrome. Polygenic, autosomal dominant, and X-linked inheritance have been hypothesized. The disorder has rarely been reported in males.
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