Again, it depends on how the things relate to each other. Example: you are kissing your beloved. The heat, the smell, the touch, the beat, the movement… can you really say that focusing your attention on any of those elements means you’ll lose sight of all the others? Example: a movie scene. If the music, the visuals, the dialogue, all support and underline each other, focusing on one will not make you pay less attention to the rest.
Again, it depends on how the things relate to each other. Example: you are kissing your beloved. The heat, the smell, the touch, the beat, the movement… can you really say that focusing your attention on any of those elements means you’ll lose sight of all the others? Example: a movie scene. If the music, the visuals, the dialogue, all support and underline each other, focusing on one will not make you pay less attention to the rest.
Key word: synergy.