This process of critical control
might be more or less strictly
pronounced from person to person.
We could assume that for artists for example,
this control is more flexible.
In sleep, where the control of the critical section
is less strict, the free impulses find the
opportunity to project themselves as a
This state of reduced control can be induced as well
by chemical agents (e.g. alcohol).
Then thoughts and behaviour appear,
with a higher degree of spontaneity