However, not all messages in video ads may be noticed and understood because viewer attention is limited and selective (Basil 1994; Wedel and Pieters 2007). Thus, video messages must first gain a viewer’s attention if they are to be perceived and recalled. Attention is the extent to which processing activ- ity is devoted to a particular stimulus; however, the allocation of processing activity will vary according to the stimulus and the recipient (Solomon 2013). From the perspective of infor- mation processing, a greater amount of attention encourages deeper processing of the advertised message (Yoo and Kim 2005). Although online media is attention-demanding, sensory fatigue and/or an adaptation effect can occur during video viewing (Nelson and Meyvis 2008).