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.
The floating Sigourney Weaver special effect is an actual physical effect, not an optical effect. The actress was put in a full body cast and attached to a post that was hidden in the curtains. According to the commentary, this effect came from director Ivan Reitman's Broadway experience.