<unk>  is a rare neurological disorder that is characterized by a tetrad of symptoms which include finger agnosia, agraphia, acalculia, and left - right disorientation. Also known as Angular gyrus syndrome as it occurs due to lesion or pathology involving the angular gyrus of the inferior parietal lobule extending to the subcortical white matter in the dominant hemisphere. Developmental<unk> , a variant described in children is a neurodevelopmental disorder, includes the tetrad along with constructional dyspraxia as the fifth clinical symptom. (It should not be confused with<unk> -Straussler syndrome, which is a transmissible spongiform encephalopathy.)
Gerstmann syndrome
Jadassohn-Lewandowsky syndrome
Hurler-Scheie syndrome
Pallister–Killian syndrome
Cohen syndrome
Sandhoff disease
Ohtahara syndrome
Shy-Drager syndrome