Observe, experiment, consensus. The standard techniques are called for
here to answer Adrian's and my own questions. These questions will not
be answered swiftly (or at least in the US) if the reactionary pols and
religous quacks get their way (which they usually do). And even if
cerebral downloading is accomplished and we don't understand it still,
that is currently true of a great many chemicals and medicines that we
take all the time.
mr D