Encyclopedia of Clinical Neuropsychology

2018 Edition
| Editors: Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan

Amnestic Syndromes

  • Ginette LaflecheEmail author
  • Mieke Verfaellie
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-57111-9_1104

Short Description or Definition

The amnestic syndromes are a group of neurologic disorders characterized by a dense global amnesia. This amnesia is comprised of an inability to form new memories (anterograde amnesia) and an inability to retrieve old memories (retrograde amnesia) (Anterograde Amnesia and Retrograde Amnesia). A unique feature of these disorders is that the dense memory loss occurs within the context of relatively preserved intelligence, language, attention, and perceptual abilities.

Categorization

The amnestic syndromes can be classified according to cause or site of damage. Possible etiologies include herpes simplex encephalitis, anoxia, Wernicke-Korsakoff syndrome, cerebrovascular accidents, anterior communicating artery aneurysm (ACoA), and tumors. These disorders can give rise to amnesia by damaging any of an array of structures, such as the medial temporal lobes (including the hippocampus), the midline diencephalic nuclei, and the basal forebrain, or by disrupting...

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Memory Disorders Research Center, VA Boston Healthcare System and Boston University School of MedicineBostonUSA