What's more real: time itself, or your perception of it?

"From Einstein's spacetime theory to the brain's internal clock, they examine whether time is an external property of the universe or a mental construct. By connecting physics and neuroscience, they unpack the idea that how we experience time may differ entirely from how it actually works. We created this video for Brain Briefs, a Big Think interview series created in partnership with Unlikely Collaborators. As a creative non-profit organization, they're on a mission to help people challenge their perceptions and expand their thinking."

"BRIAN GREENE: We know that time in some sense is that which allows change to take place. DEAN BUONOMANO: Time is complicated, I think, more so than space. We take left turns, we right. We have a map of space. Time is this one way street. DAVID EAGLEMAN: Time is rubbery and can speed up or slow down. Time is one of the unsolved mysteries in neuroscience."

Einstein's spacetime framework situates time as a dimension that organizes change, while physics also raises the possibility that time might have fundamental constituents analogous to matter. Neuroscience describes internal clocks and neural mechanisms that generate subjective timing and a feeling of temporal flow. Perceptual systems construct experiences such as color from physical inputs; similarly, temporal experience may be an evolved inference shaped to aid behavior. Subjective time can contract or dilate, appearing rubbery, and may not map directly onto objective physical time. The sense of time's one-way direction contrasts with the symmetric treatment of space, posing challenges across disciplines.

Read at Big Think