Impressionism: a literary movement seeking to capture a feeling or experience of something rather than an accurate depiction of it
Ex: Ulysses and Mrs Dalloway
Stream-of-consciousness: a literary style in which a character's thoughts, feelings, and reactions are depicted in a continuous flow uninterrupted by objective description or conventional dialogue. James Joyce, Virginia Woolf, and Marcel Proust are among its notable early exponents.
So both capture the immediate thoughts and feelings that are expressed, without regard for second thought or objectivity?
I think that Impressionism is the movement while stream-of-consciousness is the type of writing style used to express the values of impressionist