Marcus Is Unresponsive to Most Social Stimuli

question 49

Multiple Choice

Marcus is unresponsive to most social stimuli.He rarely smiles, talks, or makes eye contact with others.He seems indifferent to everyone, including his parents.He engages in solitary, ritualistic behaviours.He sometimes goes into sudden tantrums or panics.He also insists on the same familiar food each day.What condition does Marcus appear to have?

• A)childhood schizophrenia
• B)autism spectrum disorder
• C)impulsivity
• D)avoidant disorder

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Definitions:

Antecedent

An event or environment that triggers a response or behavior, often used in the study of behavior and learning.

Negative Reinforcer

A stimulus whose removal following a behavior increases the likelihood of that behavior being repeated in the future.

Positive Reinforcer

Any stimulus that, when presented after a behavior, increases the likelihood of that behavior being repeated in the future.

Punisher

A stimulus or event that follows a behavior and decreases the likelihood of that behavior occurring in the future.