[Echocardiographic evaluation of cardiac changes in cirrhosis of the liver].
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V D'Urso
Publications and source records attributed to V D'Urso.
The role of the right hemisphere in processing negative sentences in context.
Given a pattern consisting of x1, x2,..., xn similar elements and y1, which is perceived as different from the former, it is more plausible to assert that y is not x rather than to assert that x is not y (Wason, J. verb. Learn verb. Behav. 4, 7-11, 1965). In order to appreciate such a difference, the entire set has to be considered. Right-hemisphere brain-damaged patients were submitted to a series of visually presented patterns, each pattern consisting of seven similar items and one dissimilar item. Their task was to complete a statement referring to a single element of each pattern. Statements were either simple affirmative or negative sentences. Errors and reaction times were recorded. Patients with a right-hemisphere injury were found to be insensitive to the plausible-implausible dimension in completing negative sentences. It is hypothesized that right-hemisphere brain-damaged patients are less adequate in this task because they are less capable in putting each element into the visual context.
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Analytic and global strategies in copying designs by unilaterally brain-damaged patients.
Different strategies in copying designs were investigated in unilaterally brain-damaged patients. Site of lesions (right or left) and presence or absence of aphasia, seen as a planning disorder, were taken in consideration. Aphasic patients proved to be more inclined to use an analytic strategy rather than a global one, differing from both other brain-damaged patients and normals. A comparison between patients with right and left brain lesion failed to yield a significant difference.
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