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Apraxia, Neglect, and Agnosia
PURPOSE OF REVIEW In part because of their striking clinical presentations, disorders of higher nervous system function figured prominently in the early history of neurology. These disorders are not merely historical curiosities, however. As apraxia, neglect, and agnosia have important clinical implications, it is important to possess a working knowledge of the conditions and how to identify them. RECENT FINDINGS Apraxia is a disorder of skilled action that is frequently observed in the setting of dominant hemisphere pathology, whether from stroke or neurodegenerative disorders. In contrast to some previous teaching, ...
Source: CONTINUUM: Lifelong Learning in Neurology - June 1, 2018 Category: Neurology Tags: Review Articles Source Type: research

The Migraine Aura
This article discusses the basic mechanisms of migraine aura and its clinical significance based upon evidence from human studies and animal models. RECENT FINDINGS Prospective clinical studies have reinforced the understanding that migraine aura is highly variable from one individual to the next as well as from attack to attack in an individual. While migraine with aura clearly has a higher heritability than migraine without aura, population studies have not identified specific genes that underlie this heritability for typical migraine with aura. Imaging studies reveal hypoperfusion associated with migraine aura, altho...
Source: CONTINUUM: Lifelong Learning in Neurology - August 1, 2018 Category: Neurology Tags: Review Articles Source Type: research