Locus coeruleus.
The Big Bang Theory Season 5, Episode 16
...suffer from an external LOCUS
of identity.
The Big Bang Theory Season 2, Episode 15
The LOCUS of my identity
is totally exterior to me.
The Big Bang Theory Season 2, Episode 15
I.e., when your LOCUS coeruleus
sits around the house,
The Big Bang Theory Season 5, Episode 16
I'm about to remove
the LOCUS coeruleus,
The Big Bang Theory Season 5, Episode 16