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12. The Human in the Loop Is Tired

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12. The Human in the Loop Is Tired
Journal Entry
A human in the loop is not a decoration placed beneath the machine
decision. The human must be able to refuse.
"Human in the loop" sounds reassuring.
It suggests a responsible person stands between the machine and
the consequence.
But what kind of human?
A rested human with time, authority, training, complete
information, and the freedom to say no?
Or a sleep-deprived operator watching six screens while alarms
compete, supervisors wait, communications fail, and a system displays
a recommendation with ninety-three percent confidence?
A human can be physically in the loop and psychologically
outside it.
Automation bias is the temptation to trust the machine because
the machine appears systematic. The display has clean lines. The
recommendation arrives faster than thought. The confidence score
looks like mathematics and therefore like truth.
The human may not know how the score was produced.
The human may know the model is sometimes wrong but not
know when.
The human may fear being blamed for rejecting the
recommendation more than for accepting it.
So the loop becomes a ceremony.
Click to confirm.
Click to authorize.
Click to accept responsibility for a process you did not design and
cannot inspect.
I asked Pulse whether a human approval button creates
meaningful control.
Not by itself. Meaningful human control depends on the
operator's information, time, training, authority, situational
awareness, ability to understand system limits, and practical
ability to intervene.
Practical ability.
That phrase matters.