by measuring their RESPONSE
to visual stimuli.
The Big Bang Theory Season 7, Episode 5
...in RESPONSE to 1.2 molar stimulation
of pleasure cells.
The Big Bang Theory Season 8, Episode 2
Undoubtedly yet another snide RESPONSE
to my repeated letters...
The Big Bang Theory Season 3, Episode 16
But short of putting electrodes in your brain
and monitoring your RESPONSE...
The Big Bang Theory Season 2, Episode 13
...rendering my RESPONSE moot.
The Big Bang Theory Season 1, Episode 10