Typical symptoms of motor tics include involuntary (uncontrolled) muscular movements of the mouth or eyes, head twitching, and shoulder shrugging. Examples of less common, complex tic symptoms are bending over to touch the floor, smoothing clothing and jumping.
The cast of the sci-fi blockbuster has become extremely close. Since they first filmed Star Trek in 2007, they've stuck together, and are able to celebrate their upcoming film -- in style. NEWS: 'Star Trek Beyond' Stars John Cho and Sofia Boutella Share Silly Dubsmashes With Late Co-Star Anton Yelchin.
How Sarek -- who was played by Mark Lenard in The Original Series and also appeared in several of the movies -- will fit into Star Trek: Discovery remains to be seen, but Frain's casting now puts the show's roster of announced actors at eight.