Abstract
Abstract
French
This paper presents three cases of frontal lobe lesions from the author's experience (subdural hematoma, meningioma and astrocytoma) which initially appeared as schizophrenia or depression. Attention is drawn, in the absence of specific neurological signs, to the importance of headache and somnolence in offering clues to the presence of a lesion. Disturbances in thought, affect and perception cannot always be assessed as purely functional.
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