McKhann et al., 2011, Alzheimerâs & Dementia Possible AD â¢ Atypical course (e.g., sudden onset or no evidence of progressive decline) â¢ Etiologically mixed presentation â¢ Concomitant cerebrovascular disease (e.g., history of stroke temporally related to cognitive
Ellen Louise Ripley is a fictional character and the protagonist of the Alien film series played by American actress Sigourney Weaver.
Sigourney Weaver has played in many movies over her career. Her first role was in the movie Annie Hall where she stood in front of a theatre near the end. Arguably, her most f â¦ amous role was Ellen Ripley in the Alien series. She was in many, many movies apart from those.