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Virtual reality on neuropsychological disorders

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https://www.readbyqxmd.com/read/27318928/the-bodily-self-insights-from-clinical-and-experimental-research
#1
Sebastian Dieguez, Christophe Lopez
This review article summarizes neuropsychological descriptions of abnormal body representations in brain-damaged patients and recent neuroscientific investigations of their sensorimotor underpinnings in healthy participants. The first part of the article describes unilateral disorders of the bodily self, such as asomatognosia, feelings of amputation, supernumerary phantom limbs and somatoparaphrenia, as well as descriptions of non-lateralized disorders of the bodily self, including Alice in Wonderland syndrome and autoscopic hallucinations...
June 15, 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27258210/virtual-reality-based-attention-assessment-of-adhd-clinicavr-classroom-cpt-versus-a-traditional-continuous-performance-test
#2
Alexandra Neguț, Anda Maria Jurma, Daniel David
Virtual-reality-based assessment may be a good alternative to classical or computerized neuropsychological assessment due to increased ecological validity. ClinicaVR: Classroom-CPT (VC) is a neuropsychological test embedded in virtual reality that is designed to assess attention deficits in children with attention deficit hyperactivity disorder (ADHD) or other conditions associated with impaired attention. The present study aimed to (1) investigate the diagnostic validity of VC in comparison to a traditional continuous performance test (CPT), (2) explore the task difficulty of VC, (3) address the effect of distractors on the performance of ADHD participants and typically-developing (TD) controls, and (4) compare the two measures on cognitive absorption...
June 3, 2016: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/26833174/hippocampal-dysfunction-defines-disease-onset-in-huntington-s-disease
#3
Faye Begeti, Laetitia C Schwab, Sarah L Mason, Roger A Barker
BACKGROUND: Huntington's disease (HD) is an autosomal dominant neurodegenerative disorder characterised by a triad of motor, psychiatric and cognitive deficits with the latter classically attributed to disruption of frontostriatal networks. However, emerging evidence from animal models of HD suggests that some of the early cognitive deficits may have a hippocampal basis. The objective of this study was to link previous rodent findings in this area to clinical practice. METHODS: In this study, 94 participants included patients with early HD, premanifest HD and age-matched controls underwent hippocampal-based cognitive assessments...
September 2016: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/26665222/our-experience-with-informative-and-communication-technologies-ict-in-dementia
#4
Magda Tsolaki, Stelios Zygouris, Ioulietta Lazarou, Ioannis Kompatsiaris, Leontios Chatzileontiadis, Constantinos Votis, Dimitrios Tzovaras, Anastasios Karakostas, Constantina Karagkiozi, Tatianna Dimitriou, Thasyvoulos Tsiatsios, Stavros Dimitriadis, Ioannis Tarnanas, Dimitris Dranidis, Panagiotis Bamidis
Our research is implementing high quality next generation services for the Prediction, Early Diagnosis, Monitoring, and Support of patients with Cognitive Impairment (Subjective Cognitive Impairment -SCI-, Mild Cognitive Impairment -MCI-, Mild Dementia) and Education and Training for all stakeholders. Prediction, Early Diagnosis and Monitoring: The first idea was to Research and Develop a novel System using motion detection devices, depth cameras, and intelligent objects of everyday use (ranging from cooking implements such as kitchen to furniture (e...
September 2015: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/25658491/ecological-validity-of-virtual-reality-daily-living-activities-screening-for-early-dementia-longitudinal-study
#5
Ioannis Tarnanas, Winfried Schlee, Magda Tsolaki, René Müri, Urs Mosimann, Tobias Nef
BACKGROUND: Dementia is a multifaceted disorder that impairs cognitive functions, such as memory, language, and executive functions necessary to plan, organize, and prioritize tasks required for goal-directed behaviors. In most cases, individuals with dementia experience difficulties interacting with physical and social environments. The purpose of this study was to establish ecological validity and initial construct validity of a fire evacuation Virtual Reality Day-Out Task (VR-DOT) environment based on performance profiles as a screening tool for early dementia...
2013: JMIR Serious Games
https://www.readbyqxmd.com/read/25428251/can-a-virtual-reality-cognitive-training-application-fulfill-a-dual-role-using-the-virtual-supermarket-cognitive-training-application-as-a-screening-tool-for-mild-cognitive-impairment
#6
Stelios Zygouris, Dimitrios Giakoumis, Konstantinos Votis, Stefanos Doumpoulakis, Konstantinos Ntovas, Sofia Segkouli, Charalampos Karagiannidis, Dimitrios Tzovaras, Magda Tsolaki
BACKGROUND: Recent research advocates the potential of virtual reality (VR) applications in assessing cognitive functions highlighting the possibility of using a VR application for mild cognitive impairment (MCI) screening. OBJECTIVE: The aim of this study is to investigate whether a VR cognitive training application, the virtual supermarket (VSM), can be used as a screening tool for MCI. METHODS: Two groups, one of healthy older adults (n = 21) and one of MCI patients (n = 34), were recruited from day centers for cognitive disorders and administered the VSM and a neuropsychological test battery...
2015: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/25352332/spatial-learning-in-a-virtual-reality-based-task-is-altered-in-very-preterm-children
#7
José M Cimadevilla, Lola Roldán, María París, Marisa Arnedo, Susana Roldán
Very preterm births prevent a complete development of the nervous system. The hippocampus is especially vulnerable in this population since the perinatal period is critical for its growth and development. Learning and memory abilities, like spatial memory, depend on the hippocampal integrity. In this study we applied virtual-reality-based tasks to assess spatial memory in a sample of 20 very preterm children of 7 and 8 years of age. Two different conditions of difficulty were used. Very preterm children performed poorly in the task in comparison with the control group...
2014: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/25084846/the-use-of-virtual-reality-in-the-military-s-assessment-of-service-members-with-traumatic-brain-injury-recent-developments-and-emerging-opportunities
#8
REVIEW
Joe Edwards, James Vess, Greg Reger, Alison Cernich
Traumatic brain injury (TBI) is a common event in the current extended conflicts by American service members, with estimates that as many as 300,000 have sustained combat-related concussions during Operation Iraqi Freedom and Operation Enduring Freedom. The limited ecological validity of traditional neuropsychological assessment measures presents a challenge to effective postconcussion evaluation of service members in relation to fitness-for-duty decisions or rehabilitation needs. Virtual reality (VR) technology offers a promising opportunity to advance the field of functional assessment for TBI...
2014: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/24875687/cognitive-assessment-of-ocd-patients-neurovr-vs-neuropsychological-test
#9
Filippo La Paglia, Caterina La Cascia, Rosalinda Rizzo, Flavia Cangialosi, Margherita Sanna, Giuseppe Riva, Daniele La Barbera
This study aimed to evaluate the reliability and validity of the Neuro-Virtual Reality as tool for the neuropsychological assessment in OCD patients. We used the neuropsychological battery and a virtual version of the Multiple Errand Test (V-MET), developed using the NeuroVR software, in order to evaluate the executive functions, the ability to plan ahead on complex problem solving tasks in daily life in 30 obsessive compulsive disorder (OCD) patients and 30 healthy controls. The results showed the presence of difficulties of OCD patients: lower levels of divided attention and higher levels of errors; higher mean rank of inefficiencies, interpretation failures and rule breaks and longer time of execution of the whole task...
2014: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/24798174/development-of-a-virtual-reality-assessment-of-everyday-living-skills
#10
Stacy A Ruse, Vicki G Davis, Alexandra S Atkins, K Ranga R Krishnan, Kolleen H Fox, Philip D Harvey, Richard S E Keefe
Cognitive impairments affect the majority of patients with schizophrenia and these impairments predict poor long term psychosocial outcomes.  Treatment studies aimed at cognitive impairment in patients with schizophrenia not only require demonstration of improvements on cognitive tests, but also evidence that any cognitive changes lead to clinically meaningful improvements.  Measures of "functional capacity" index the extent to which individuals have the potential to perform skills required for real world functioning...
2014: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/24785240/detecting-everyday-action-deficits-in-alzheimer-s-disease-using-a-nonimmersive-virtual-reality-kitchen
#11
Philippe Allain, Déborah Alexandra Foloppe, Jérémy Besnard, Takehiko Yamaguchi, Frédérique Etcharry-Bouyx, Didier Le Gall, Pierre Nolin, Paul Richard
Alzheimer's disease (AD) causes impairments affecting instrumental activities of daily living (IADL). Transdisciplinary research in neuropsychology and virtual reality has fostered the development of ecologically valid virtual tools for the assessment of IADL, using simulations of real life activities. Few studies have examined the benefits of this approach in AD patients. Our aim was to examine the utility of a non-immersive virtual coffee task (NI-VCT) for assessment of IADL in these patients. We focus on the assessment results obtained from a group of 24 AD patients on a task designed to assess their ability to prepare a virtual cup of coffee, using a virtual coffee machine...
May 2014: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/24635120/effect-of-virtual-reality-ptsd-treatment-on-mood-and-neurocognitive-outcomes
#12
RANDOMIZED CONTROLLED TRIAL
Robert McLay, Vasudha Ram, Jennifer Murphy, James Spira, Dennis P Wood, Mark D Wiederhold, Brenda K Wiederhold, Scott Johnston, Dennis Reeves
Virtual reality (VR) is an emerging tool to help treat posttraumatic stress disorder (PTSD). Previously published studies have shown that VR graded exposure therapy (VR-GET) treatment can result in improvements in PTSD symptoms. Less is known about the impact on depression, general anxiety, and neuropsychological functioning in patients with PTSD. This study examined changes in self-reports of PTSD, depression, and anxiety before and after treatment, and also examined neuropsychological functioning as assessed by a computerized test of simple reaction time, procedural reaction time, and performance on the congruent, incongruent, emotional, and neutral (match the color of the "nonsense word") Stroop tests...
July 2014: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/24606066/cognitive-disorders-after-sporadic-ecstasy-use-a-case-report
#13
Carla Ruis, Albert Postma, Willem Bouvy, Ineke van der Ham
Memory problems and changes in hippocampal structures after chronic ecstasy use are well described in the literature. Cognitive problems after incidental ecstasy use are rare, and the few patients described in case reports returned to their normal cognitive level after a relative short period. FV is a 39-year-old man who used an ecstasy tablet in 2005. This resulted in severe confusion for a few days. The confusion was followed by persistent memory complaints and difficulties orientating in new surroundings...
2015: Neurocase
https://www.readbyqxmd.com/read/24361763/real-life-memory-and-spatial-navigation-in-patients-with-focal-epilepsy-ecological-validity-of-a-virtual-reality-supermarket-task
#14
P Grewe, D Lahr, A Kohsik, E Dyck, H J Markowitsch, C G Bien, M Botsch, M Piefke
Ecological assessment and training of real-life cognitive functions such as visual-spatial abilities in patients with epilepsy remain challenging. Some studies have applied virtual reality (VR) paradigms, but external validity of VR programs has not sufficiently been proven. Patients with focal epilepsy (EG, n=14) accomplished an 8-day program in a VR supermarket, which consisted of learning and buying items on a shopping list. Performance of the EG was compared with that of healthy controls (HCG, n=19). A comprehensive neuropsychological examination was administered...
February 2014: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/24101293/prefrontal-cortex-activated-bilaterally-by-a-tilt-board-balance-task-a-functional-near-infrared-spectroscopy-study-in-a-semi-immersive-virtual-reality-environment
#15
Marco Ferrari, Silvia Bisconti, Matteo Spezialetti, Sara Basso Moro, Caterina Di Palo, Giuseppe Placidi, Valentina Quaresima
The aim of this study was to assess the prefrontal cortex (PFC) oxygenation response to a 5-min incremental tilt board balance task (ITBBT) in a semi-immersive virtual reality (VR) environment driven by a depth-sensing camera. It was hypothesized that the PFC would be bilaterally activated in response to the increase of the ITBBT difficulty, given the PFC involvement in the allocation of the attentional resources to maintain postural control. Twenty-two healthy male subjects were asked to use medial-lateral postural sways to maintain their equilibrium on a virtual tilt board (VTB) balancing over a pivot...
May 2014: Brain Topography
https://www.readbyqxmd.com/read/24018367/cognitive-ability-predicts-motor-learning-on-a-virtual-reality-game-in-patients-with-tbi
#16
Rochelle L O'Neil, Reid L Skeel, Ksenia I Ustinova
BACKGROUND: Virtual reality games and simulations have been utilized successfully for motor rehabilitation of individuals with traumatic brain injury (TBI). Little is known, however, how TBI-related cognitive decline affects learning of motor tasks in virtual environments. OBJECTIVE: To fill this gap, we examined learning within a virtual reality game involving various reaching motions in 14 patients with TBI and 15 healthy individuals with different cognitive abilities...
2013: NeuroRehabilitation
https://www.readbyqxmd.com/read/23777412/a-virtual-shopping-test-for-realistic-assessment-of-cognitive-function
#17
Sayaka Okahashi, Keiko Seki, Akinori Nagano, Zhiwei Luo, Maki Kojima, Toshiko Futaki
BACKGROUND: Cognitive dysfunction caused by brain injury often prevents a patient from achieving a healthy and high quality of life. By now, each cognitive function is assessed precisely by neuropsychological tests. However, it is also important to provide an overall assessment of the patients' ability in their everyday life. We have developed a Virtual Shopping Test (VST) using virtual reality technology. The objective of this study was to clarify 1) the significance of VST by comparing VST with other conventional tests, 2) the applicability of VST to brain-damaged patients, and 3) the performance of VST in relation to age differences...
2013: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/23638628/aula-virtual-reality-test-as-an-attention-measure-convergent-validity-with-conners-continuous-performance-test
#18
Unai Díaz-Orueta, Cristina Garcia-López, Nerea Crespo-Eguílaz, Rocío Sánchez-Carpintero, Gema Climent, Juan Narbona
The majority of neuropsychological tests used to evaluate attention processes in children lack ecological validity. The AULA Nesplora (AULA) is a continuous performance test, developed in a virtual setting, very similar to a school classroom. The aim of the present study is to analyze the convergent validity between the AULA and the Continuous Performance Test (CPT) of Conners. The AULA and CPT were administered correlatively to 57 children, aged 6-16 years (26.3% female) with average cognitive ability (IQ mean = 100...
2014: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/23618596/learning-real-life-cognitive-abilities-in-a-novel-360%C3%A2-virtual-reality-supermarket-a-neuropsychological-study-of-healthy-participants-and-patients-with-epilepsy
#19
Philip Grewe, Agnes Kohsik, David Flentge, Eugen Dyck, Mario Botsch, York Winter, Hans J Markowitsch, Christian G Bien, Martina Piefke
BACKGROUND: To increase the ecological validity of neuropsychological instruments the use of virtual reality (VR) applications can be considered as an effective tool in the field of cognitive neurorehabilitation. Despite the growing use of VR programs, only few studies have considered the application of everyday activities like shopping or travelling in VR training devices. METHODS: We developed a novel 360°-VR supermarket, which is displayed on a circular arrangement of 8 touch-screens--the "OctaVis"...
2013: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/23535833/break-in-volition-a-virtual-reality-study-in-patients-with-obsessive-compulsive-disorder
#20
Pietro Cipresso, Filippo La Paglia, F L Paglia, Caterina La Cascia, C L Cascia, Giuseppe Riva, Giovanni Albani, Daniele La Barbera
Research in obsessive-compulsive disorder (OCD) produced inconsistent results in demonstrating an association between patients' symptom severity and their cognitive impairments. The process involved in volition aspects of behavioral syndromes can be extensively analyzed using specific tests developed in virtual environments, more suitable to manipulate rules and possible breaks of the normal task execution with different, confusing or stopping instructions. The study involved thirty participants (15 OCD patients and 15 controls) during task execution and the relative interferences...
September 2013: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
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