Yes we can capture a cubic meter of a wave at an instant of time and explain everything about it being a wave.
We could do the same with a brain, freeze it in an instant of time. We might me able to tell what memories it is recalling now, what it is about to say, how you are feeling. Where specific memories are located, what behavioral traits you have. Neural correlates are the easy bit.
But having captured and frozen the brains system state have we captured an instant of mind, consciousness or qualia? Can we say anything reasonable about those properties? Or do they suddenly stop existing when the state has frozen? Are we dead at that point? Could we step through consciousness like a debugger? Does conciseness or the mind only exist in between the break points, or state changes. Is consciousnesses the transition between two quantum states, and a lump of meat while nothing is going on? Slightly tougher questions.
Consider the possibility that the mind does not exist; that instead it is just a collective noun we use to refer to a group of observed behaviors, the way we use words like "climate" or "weather" or "wave."
What is the smallest part of a wave that is still a wave? We can talk about the chemical characteristics of water, about momentum and turbulence, about gravity, but those all apply equally well to flat water too. Where does the wave come from? Does the concept of a wave make sense in the absence of fluid?
These seem like silly questions because we know how waves work. But similar questions don't get any less silly just because we don't know how the brain works yet.