Seeing as refers to the experience of perceiving the same object in two or more distinct ways (for example, Jastrow's duck-rabbit picture, which looks like a duck when seen with a horizontal orientation and looks like a rabbit when seen with a vertical one). One might look at this figure and not see a duck in it or not see a rabbit in it. However, when one looks again, one sees the duck or rabbit that was not previously apparent. Alternative terms for seeing as are aspect seeing and aspect perception. As discussed in this entry, seeing as has connections with both perceiving and thinking, and therefore it links to a wide range of psychological phenomena.

The philosopher Ludwig Wittgenstein (1889–1951) devoted significant attention to seeing ...