Effect of prism adaptation on neglect hemianesthesia

Autor: Anna De Galeazzi, Elena Sartori, Nicoletta Beschin, Chiara Luisetti, Alessio Facchin
Přispěvatelé: Facchin, A, Sartori, E, Luisetti, C, De Galeazzi, A, Beschin, N
Rok vydání: 2018
Předmět:
Male
medicine.medical_specialty
Cognitive Neuroscience
media_common.quotation_subject
Experimental and Cognitive Psychology
Physical examination
Audiology
M-PSI/02 - PSICOBIOLOGIA E PSICOLOGIA FISIOLOGICA
050105 experimental psychology
Functional rehabilitation
Neglect
Perceptual Disorders
03 medical and health sciences
0302 clinical medicine
Perception
medicine
Humans
0501 psychology and cognitive sciences
Hemianesthesia
media_common
Spatial neglect
Aged
Aged
80 and over
medicine.diagnostic_test
05 social sciences
Neuropsychology
Personal neglect
Neurological Rehabilitation
Cognition
Middle Aged
medicine.disease
Adaptation
Physiological
Neuropsychology and Physiological Psychology
Treatment Outcome
Prism adaptation
Spatial neglect
neglect hemianesthesia
personal neglect
prism adaptation
functional rehabilitation
Extinction (neurology)
Female
Neglect hemianesthesia
Psychology
030217 neurology & neurosurgery
Zdroj: Cortex; a journal devoted to the study of the nervous system and behavior. 113
ISSN: 1973-8102
Popis: Prism adaptation (PA) has proven to be effective in alleviating many signs of unilateral spatial neglect (USN). Generally, the principal improvement after PA treatment was found to be in the high-level cognitive function. Nevertheless, some evidence has also been found for it in somatosensory function. We have aimed to test the influence of PA on neglect hemianesthesia, a condition in which the high-level neglect-related deficit mimics hemianesthesia. Twenty-one USN patients were enrolled in the study. Each patient performed two sessions of PA, one with neutral glasses and one with prism glasses using a cross-over design. Sensitivity on the upper limb was tested using two methods. The first task was the sensibility subtest which was derived from the standard clinical examination. The second was the perceptual and motor electro-cutaneous threshold on the forearms using an electro-cutaneous stimulator. Four neuropsychological tests were used to diagnose USN and to check improvement: Star cancellation, Line bisection, Sentence reading and the Comb & Razor test. Comparing prism with sham conditions, our results show significant improvements in double extinction and in the electro-cutaneous perceptual threshold only for the contralesional hand. No improvement was found for the ipsilesional hand, for the motor threshold, and for neutral glasses. Significant improvement was found in personal neglect. Replication of the task in a subgroup of patients confirmed the primary results. The improvements in somatosensory perception together with the amelioration of personal neglect suggest that PA also has a specific effect on the neglect hemianesthesia.
Databáze: OpenAIRE
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