[Solved] Describe the evidence showing that solving mechanical problems can involve mental simulation, and explain how this evidence relates to visual imagery. Modern Phenomenon: Contemporary or recent events, trends, or changes that are distinctive to the current era, often implying novelty or a departure from the past. Less Happy: A state or condition of feeling somewhat or significantly less content or satisfied than usual. Sex Guilt: Feeling guilty about sexual thoughts, acts, or fantasies. Erotic Films: Movies that emphasize sexual themes and content intended to arouse the viewer.