Many Parents Who Have a Child with ASD Feel That

question 37

Multiple Choice

 Many parents who have a child with ASD feel that the ____ in vaccines increased number of incidences of ASD.

• A) niacin
• B) copper
• C) mercury
• D) lead

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Definitions:

Stimulus

Any event or situation that evokes a response from an organism.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without any prior learning.

Conditioned Stimulus

A previously neutral stimulus that, after being associated with an unconditioned stimulus, evokes a conditioned response.

Unconditioned Stimulus

An automatic and naturally occurring stimulus that elicits a response without the need for prior learning.