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Direct linkKay L. Ritchie; Daniel J. Carragher; Josh P. Davis; Katie Read; Ryan E. Jenkins; Eilidh Noyes; Katie L. H. Gray; Peter J. B. Hancock – Cognitive Research: Principles and Implications, 2024
Mask wearing has been required in various settings since the outbreak of COVID-19, and research has shown that identity judgements are difficult for faces wearing masks. To date, however, the majority of experiments on face identification with masked faces tested humans and computer algorithms using images with superimposed masks rather than…
Descriptors: Artificial Intelligence, Recognition (Psychology), Clothing, Health Behavior
Fox, Emily; Bindemann, Markus – Applied Cognitive Psychology, 2020
The visual acuity of the eyes varies outside the range of normal vision, requiring corrective lenses, but also within the normal range. This study investigated whether both types of variation relate to individual differences in face-identity matching, considering this applied task requires perception of detail. Across two experiments,…
Descriptors: Individual Differences, Visual Acuity, Human Body, Recognition (Psychology)
Download full textIvarsson, Jonas – Frontline Learning Research, 2017
This study looks at the practice of thoracic radiology and follows a group of radiologists and radiophysicists in their efforts to find, discuss, and formulate issues or troubles ensuing the implementation of a new radiographic imaging technology. Based in the theoretical tradition of ethnomethodology it examines the local endogenous practices…
Descriptors: Visual Acuity, Expertise, Human Body, Radiology
Libertus, Klaus; Needham, Amy – International Journal of Behavioral Development, 2014
Infants' preference for faces was investigated in a cross-sectional sample of 75 children, aged 3 to 11 months, and 23 adults. A visual preference paradigm was used where pairs of faces and toys were presented side-by-side while eye gaze was recorded. In addition, motor activity was assessed via parent report and the relation between motor…
Descriptors: Infants, Preferences, Human Body, Eye Movements
Vukicevic, Meri; Le, Anh; Baglin, James – Journal of Visual Impairment & Blindness, 2012
In the typical human visual system, the macula allows for high visual resolution. Damage to this area from diseases, such as age-related macular degeneration (AMD), causes the loss of central vision in the form of a central scotoma. Since no treatment is available to reverse AMD, providing low vision rehabilitation to compensate for the loss of…
Descriptors: Teaching Methods, Pathology, Reading Comprehension, Vision
Schoessow, Kimberly A.; Gilbert, Leah M.; Jackson, Mary Lou – Journal of Visual Impairment & Blindness, 2010
Central scotomas--areas of the nonseeing retina within the central 20 degrees of the visual field--are present in approximately 90% of vision rehabilitation patients. They vary in size and shape and can be small or large, symmetrical or asymmetrical, round or irregularly shaped. Most central scotomas border fixation on one side and can be overcome…
Descriptors: Intervention, Partial Vision, Vision, Patients
Colenbrander, August – Journal of Visual Impairment & Blindness, 2009
This article provides a terminological framework to show the relationships among different types of visual deficits. It distinguishes between visual functions, which describe how the eye and the lower visual system function, and functional vision, which describes how a person functions. When visual functions are disturbed, the term "visual…
Descriptors: Visual Acuity, Optics, Partial Vision, Neurological Impairments
Sunness, Janet S. – Journal of Visual Impairment & Blindness, 2008
Face field evaluation provides insights into the presence and location of the preferred retinal locus, as validated by comparisons with findings from microperimetry. This technique requires no special equipment and can be used in a clinic or at a person's home by clinicians and low vision rehabilitation specialists. (Contains 2 figures and 2…
Descriptors: Partial Vision, Human Body, Visual Acuity, Visual Impairments
Phenotypical Characteristics of Idiopathic Infantile Nystagmus with and without Mutations in "FRMD7"
Thomas, Shery; Proudlock, Frank A.; Sarvananthan, Nagini; Roberts, Eryl O.; Awan, Musarat; McLean, Rebecca; Surendran, Mylvaganam; Kumar, A. S. Anil; Farooq, Shegufta J.; Degg, Chris; Gale, Richard P.; Reinecke, Robert D.; Woodruff, Geoffrey; Langmann, Andrea; Lindner, Susanne; Jain, Sunila; Tarpey, Patrick; Raymond, F. Lucy; Gottlob, Irene – Brain, 2008
Idiopathic infantile nystagmus (IIN) consists of involuntary oscillations of the eyes. The familial form is most commonly X-linked. We recently found mutations in a novel gene "FRMD7" (Xq26.2), which provided an opportunity to investigate a genetically defined and homogeneous group of patients with nystagmus. We compared clinical features and eye…
Descriptors: Visual Impairments, Eye Movements, Visual Acuity, Depth Perception
Saeed, Manzar; Henderson, Gladys; Dutton, Gordon N. – Developmental Medicine & Child Neurology, 2007
Hyoscine skin patches diminish salivation by their anticholinergic action. The aim of reporting this case series is to present the ophthalmic side effects in children, and to highlight the precautions to take. Five children (two males, three females; age range 8-18y) with quadriplegic cerebral palsy (Gross Motor Function Classification System…
Descriptors: Visual Acuity, Cerebral Palsy, Vision, Classification
Gabbard, Carl; Ammar, Diala – Brain and Cognition, 2005
A rather consistent finding in studies of perceived (imagined) compared to actual movement in a reaching paradigm is the tendency to overestimate at midline. Explanations of such behavior have focused primarily on perceptions of postural constraints and the notion that individuals calibrate reachability in reference to multiple degrees of freedom,…
Descriptors: Human Body, Cues, Visual Stimuli, Visual Measures
Aznar-Casanova, J. Antonio; Quevedo, Lluisa; Sinnett, Scott – Psicologica: International Journal of Methodology and Experimental Psychology, 2005
Dynamic Visual Acuity (DVA) can be measured from two types of equivalently considered movement referred to as drifting-motion and displacement-motion. Displacement motion can be best described as the horizontal displacement of a stimulus, thus implying pursuit eye movements, and involves moving the stimulus from the fixation point of gaze towards…
Descriptors: Eye Movements, Visual Acuity, Motion, Human Body
Migliaccio, Americo A.; Halmagyi, G. Michael; McGarvie, Leigh A.; Cremer, Phillip D. – Brain, 2004
We report four patients with the syndrome of cerebellar ataxia with bilateral vestibulopathy (CABV) and, using search coil oculography, we validate its characteristic clinical sign, namely impairment of the visually enhanced vestibulo-ocular reflex (VVOR) or doll's head reflex. In our four patients, CABV began in the sixth decade of life; they are…
Descriptors: Human Body, Eye Movements, Neurological Impairments, Kinesthetic Perception
Peer reviewedLivingstone, Margaret; Hubel, David – Science, 1988
Summarizes the anatomical, physiological, and psychological evidence related to the primate visual system. States that comparison of perceptual abilities with the electrophysiological properties of neurons may help deduce functions of visual areas. (RT)
Descriptors: Anatomy, Biological Sciences, Biology, Color
