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31INT. COLLEGE CLASSROOM - DAY

A professor, BILL, lectures to the class. Mason and Mom are seated in the classroom audience.

BILL (V.O.)

Okay. An unconditioned stimulus,

something that produces an unlearned,

involuntary, unconditioned response.

Now in Pavlov's experiment, what was

the stimulus, that he used? Come on

now, people! Tough weekend? What's

the deal, here? Meat. Right? Meat.

Meat powder, actually. Whatever

meat powder is, it worked on this

dog. Okay. He put the meat powder

in there and it produced an

unconditioned response in the dog,

which was? Salivation. Alright.

Now, who can give me another example

of an unconditioned stimulus-response

pair that happens to you everyday.

It's probably happening to some of

you right now.

(pause)

How about sex? Sure, you know. You

see an attractive member of the

opposite gender, you have an automatic

response. You don't have to think

about it. Mick Jagger wrote a song

about... Oh, when they call your

name, I salivate like a Pavlov dog.

Class laughs.

BILL (CONT'D)

Thank you very much. Class dismissed.

Students leave, as Mason and Mom approach the professor.

MOM (O.S.)

Doctor Welbrock, this is my son Mason.

BILL

Ohh.

MOM

Mason, this is Dr. Welbrock.

BILL

Your son. Now see, I thought this

was a boy genius who was taking my

college course.

Mason laughs. He and Bill shake hands.

MOM

He wasn't feeling well today, so I