1. amnestic - Noun
2. amnestic - Adjective
Causing loss of memory.
Source: Webster's dictionaryLike other benzodiazepines, it possesses anxiolytic properties, but, unlike other benzodiazepines, it does not have anticonvulsant, sedative, skeletal muscle relaxant, motor skill-impairing, or amnestic properties. Source: Internet
The first is one that is primarily memory loss (amnestic MCI). Source: Internet