Assessment of Eye Movements in Stroke Patients and Closed-loop Intervention
Eye-movement Dynamics During Free Viewing as a Biomarker for Assessment of Visuospatial Functions and for Closed-loop Rehabilitation in Stroke
IRCCS San Camillo, Venezia, Italy
30 participants
Apr 1, 2023
INTERVENTIONAL
Conditions
Summary
The current study evaluates first the assumption that eye-movements during free viewing behavior are potential biomarkers of visuospatial deficits in stroke population. Second, it assesses the feasibility of a novel visual exploration training to ameliorate visuospatial deficits, by exploiting an auditory biofeedback system coupled with online parsed fixations.
Eligibility
Inclusion Criteria4
- Vigilant
- First unifocal ischemic or hemorragic stroke
- Presence of maximum two lacunae, clinically silent, smaller than 15 mm. in the structural MRI
- Evident symptoms in the visual, attentive, memory, motor or language domain supported by the radiological exam
Exclusion Criteria5
- Previous stroke history, visible at the radiological exam
- Multifocal deficit
- Incapacity to remain vigilant during the required assessments
- Claustrophobia and/or metallic objects which could prevent MRI acquisition
- Presence of other neurological, psychiatric or medical conditions which may undermine interpretation of behavioral and neuroimaging results
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Interventions
Visual exploration of natural scenes guided by closed-loop auditory biofeedback through eye-tracking
Standard rehabilitation delivered at the IRCCS San Camillo hospital
Locations(2)
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NCT06965673