The absence of apraxia, agnosia and aphasia can help differentiate INPH from cortical dementias, including the most common dementing illness, Alzheimer's disease. As with gait disturbances and ...

On clinical examination, a wide-based ataxic gait with mild intention tremor, dysarthria, and oculomotor apraxia were noted. The patellar and ankle reflexes were barely elicited, and there was ...