up your prefrontal CORTEX.
The Big Bang Theory Season 7, Episode 12
not to the prefrontal CORTEX.
The Big Bang Theory Season 10, Episode 19
The prefrontal CORTEX
The Big Bang Theory Season 7, Episode 12
but since my cerebral CORTEX is
twiddling its proverbial thumbs,
The Big Bang Theory Season 7, Episode 20
When your prefrontal CORTEX
fails to make you happy,
The Big Bang Theory Season 5, Episode 1