330 research outputs found
The role of emotions in decisional processes: How neuroscience can impact evaluation of patients' ability to will and to act
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HORIZONTAL AND VERTICAL NEGLECT DYSLEXIA
No full textThis case study concerns a 25-year-old right-handed male patient (G.G.) with post-traumatic lesions involving the right temporal and occipital lobe as well as the basal forebrain of the same side. G.G., who had a visual field defect almost limited to the upper left quadrant, showed both left horizontal and lower vertical neglect dyslexia, disproportionately severe when compared with left and lower visuo-spatial neglect. This is the first case report of a patient whose neglect dyslexia for vertical stimuli depended upon stimulus orientation, i.e., errors affected the final letters of top-down words and the initial letters of the bottom-up ones. This implies that neglect dyslexia can affect the internal letter shape map not only along the horizontal, but also along the vertical axis
Dementia and consciousness: how the brain loses its self
No full textConsciousness is based on the ability to rapidly integrate information and requires the optimal functioning of neural networks widely distributed between the thalami and the whole cortical mantle. Neurodegenerative processes that occur in dementing disorders, including Alzheimer’s disease, frontotemporal dementia and Lewy Body Disease, lead to a progressive disruption of the brain functional and anatomical connectivity that sustains complex mental activity in the human brain. Not only different dementia syndromes affect the brain in different ways but also patients with the same disease may show distinctive clinical features. By combining clinical, neuropsychological and functional brain imaging studies in selected patients, scientists are gaining new insights on the cerebral bases of conscious mental activity and of the neural events that make awareness of the surrounding world and of ourselves to dissolve
Stroke in young adults in the province of Modena, from 1990-2002: clues to aetiological and epidemiological features
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