![]() After inferolateral lesion, executive dysfunction may develop but is often overlooked, although it may occasionally lead to severe long-term disability. ![]() ![]() After paramedian infarct, the most frequent features are disinhibition syndromes, with personality changes, loss of self-activation, amnesia, and, in the case of extensive lesions, thalamic "dementia" this pattern may often be difficult to distinguish from primary psychiatric disorders, especially when neurologic dysfunction is lacking. The anterior pattern consists mainly of perseverations and superimposition of unrelated information, apathy, and amnesia. However, recent findings suggest that behavioral patterns can be delineated on the basis of the four main arterial thalamic territories. ![]() Data on behavioral changes after thalamic lesion are sparse and largely based on isolated reports of patients with thalamic strokes. ![]()
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