Detailed Instructions: In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.
Q: Context: We see with the eyes but we see with the brain as well. And seeing with the brain is often called imagination. -Oliver Sacks Tamar Naomi (@Tnaomiz) August 30, 2015 Answer: imagination
A:
what is seeing with brain often called?