Ideomotor apraxia without aphasia and aphasia without apraxia: the anatomical support for a double dissociation.

Ideomotor apraxia without aphasia and aphasia without apraxia: the anatomical support for a double dissociation.

This study aimed to verify the existence of a double aphasia/apraxia dissociation. Apraxic patients without aphasia and aphasic patients without apraxia were included in a consecutive series of patients with cortical or subcortical CT documented vascular lesions in the left hemisphere. Of 699 patients, 10 were found to be apraxic but not aphasic and 149 aphasic but not apraxic. These findings i...

Limb apraxia and aphasia.

Aphasia and Apraxia

The AHCPR Post-Stroke Rehabilitation Clinical Practice Guidelines defines aphasia as "the loss of ability to communicate orally, through signs, or in writing, or the inability to understand such communications; the loss of language usage ability." It has been reported that aphasia is one of the most common consequences of stroke in both the acute and chronic phases. Acutely, it is estimated tha...

Agnosia, Apraxia, Aphasia

This readily readable monograph presents a well-balanced discussion of the still controversial subjects included in its title. The author approaches the varied problems with the advantage of a long-standing interest in the subjects, an untusual ability to explore the foreign literature, unique clinical experience with an extensive series of personal cases, and a remarkable analytical acumen. Th...

Relationships between Aphasia and Apraxia

Aphasia and apraxia are two major neuropsychological syndromes that in most cases are caused by injuries in the left cerebral hemisphere. Clinical studies have revealed a double dissociation between aphasia and apraxia, and a strong correlation in their cerebral lateralization. These clinical observations suggest that aphasia and apraxia are independent syndromes. On the other hand, there are m...