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.
Oct. 06, 2014 | 12:07 p.m. 1  Sigourney Weaver and director Ridley Scott on the set of Alien.. 2  Actress Sigourney Weaver. 3  Sigourney Weaver as Ellen Ripley, in a scene from the 1979 film Alien. (20th Century Fox) 4  A scene from Alien. (20th Century Fox) 5  A scene from Alien.. 6  A scene from Alien.. 7  A scene from Alien.. 8  A scene from Alien..