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Complex virtual environments (VEs) provide a multisensory, three-dimensional representation of real environments enabling their use in rehabilitation research to characterize and probe cognitive and motor abilities. This paper describes the application of a complex VE to characterize different motor and cognitive (executive) functions associated with navigating and shopping in an urban mall. The complex...
Impairments in executive functions (EF) negatively impact the capacity for independent living, damaging personal autonomy, and diminishing quality of life. Virtual environments offer an ecologically valid way to evaluate a person's ability to carry out tasks that depend on EFs. The purpose of this pilot study was to evaluate the feasibility of a virtual reality office task, the Assessim Office (AO),...
We investigated the effect of aging during a dual task paradigm involving a postural and cognitive task. We measured postural sway and performance in a virtual environment. Older adults had increased response times and decreased accuracy compared to younger adults. Compared to young adults, older adults displayed a tighter control of the center of pressure, decreased sway in standing, while performing...
Background: Early definitions of mild cognitive impairment (MCI) excluded the presence of functional impairment; instead, preservation of a person's ability to perform activities of daily living (ADL) was a diagnostic criterion. However, recent studies have reported varying degrees of functional impairment associated with MCI. Hence, we aimed to assess the potential functional impairment associated...
Demand for innovative and patient-centered psychiatric care to alleviate stress-related and psychosomatic conditions is high in medical settings. A psychiatric treatment modality that is effective, safe and free of adverse effects is a desirable set of criteria not only from a patient's perspective, but also for clinicians providing healthcare service to patients. We present clinical results and user...
One of most important psychological repercussions associated with victims of criminal violence is Posttraumatic Stress Disorder (PTSD). In Mexico, 11 percent of the population over 18 years has experienced a crime. In particular, Ciudad Juarez has been a long-term devastated site because of drug traffic problems and the consequences related, leading the population to a hopeless sense of fear and insecurity...
This study compares the effectiveness of intervention programs using conventional media or low cost off-the-shelf virtual reality (VR) games for young children with Developmental Coordination Disorder (DCD). Thirty children with DCD were randomly divided into VR and conventional intervention groups. Statistically significant changes following intervention were observed for both groups in the Movement...
This Autism spectrum disorders (ASD) are among the most common pediatric diagnoses. Using child friendly interactive virtual environments we evaluated motor function as children performed dynamic tasks, such as pointing, reaching, standing balance and walking. Seven pairs of boys with ASD and age-matched controls between 2 and 12 years old participated. Although motor difficulties are not considered...
Children with Autism Spectrum Disorders (ASD) have difficulties engaging in imitation behavior. Available clinical tests that evaluate imitation rely on subjective observation and categorical “yes” or “no” data. We describe the development of a method to quantify imitation using a robot, kinematic data and a Dynamic Time Warping algorithm. A realistic-looking robot performed movements such as “waving...
Losing our relationship with our environmental conditions may reduce our cognitive abilities to understand them, and so to interact within. Through the SENSIVISE virtual space, we analyzed the perceptual abilities of 27 visually impaired people and 6 controls to perceive and interact while achieving requested tasks based on global or objects perception and recognition. We also tested the contribution...
Under optimal conditions, providing language therapy to persons with aphasia (PWA) is an intensive and dynamic process which results in improved verbal communication and greater participation in everyday life. However, due to cuts in health care spending, PWAs are not receiving the necessary amount of language therapy to achieve significant gains in language abilities. Recent developments of computerized...
We have developed an application based on binocular vision for amblyopia treatment. It is founded on stereo vision of objects with different contrast. Fellow eye occlusion does not allow a binocular vision but only a monocular one. This approach causes brain skills loss like the perception of depth. Our system increases visual acuity for amblyopic patients using binocular vision. Binocular vision...
The goal was to evaluate the clinical effectiveness of a quasi-home-based tele-motion-rehabilitation (TMR) program, using the Gertner System, in improving functional ability of the weak upper extremity post-stroke. Eighteen adults with stroke were randomized into two groups; a quasi-home-based TMR program and a self-training upper extremity home exercise group. No between groups differences were found...
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