[teekert]

Because consciousness itself degrades as the brain degrades? In more or less Predictable ways even.

[nicoburns]

Human consciousness does. But we have no idea which other things in our environment are conscious. We can't directly observe even other humans' consciousness.

[teekert]

Absence of evidence is evidence of absence ;)

[joseluis]

a radio also can malfunction and stop making sounds but that doesn't mean the transmission has stopped elsewhere.