Kudo S, Funayama M, Kurose S, Shimizu Y, et al. Shadowing Behavior May Be Associated with an Inability to Recognize the External
World: A Case Report of Shadowing in a Patient with Posterior Cortical Atrophy. J Alzheimers Dis 2023 Jul 10. doi: 10.3233/JAD-230257.
PMID: 37458035