. Author manuscript; available in PMC: 2023 Jun 1.

Published in final edited form as: Continuum (Minneap Minn). 2022 Jun 1;28(3):676–701. doi: 10.1212/CON.0000000000001082

TABLE 2-1.

Posterior Cortical Atrophy Variants and Their Clinical Features

Dorsal variant posterior cortical atrophy

◆ Balint syndrome

◇ Simultanagnosia

◇ Optic ataxia

◇ Oculomotor apraxia

◆ Gerstmann syndrome

◇ Left/right disorientation

◇ Finger agnosia

◇ Dyscalculia

◇ Dysgraphia

◆ Limb apraxia

◆ Constructional apraxia

◆ Dressing apraxia

Ventral variant posterior cortical atrophy

◆ Apperceptive prosopagnosia

◆ Alexia

◇ Letter-by-letter reading

Caudal variant posterior cortical atrophy

◆ Visual field defects

◆ Diminished visual acuity