Question 6 (1 point) On page 1 of Poldrack\'s artide, he describes a logical fal

Question

Question 6 (1 point) On page 1 of Poldrack's artide, he describes a logical fallacy en made in iMRI interpretations. The striatum region of the brain generally associated with feelings of being rewarded. As such, when striatum activity is found in a study researchers condude that the subject is feeling rewarded. why does Poldrack see this as a problem? Which of the following logical statements is most similar to this reverse inference? n Everyone in our class named Sally is blonde. This girl is not in this class, but she is named Sally, so she must be bionde too. O Everyone in our class named Sally is blonde. This girt in this class is named Sally, so she must be blonde. eryone in our dlas named Sally is blonde. This girl in our class is blonde, so her name must be Sally Everyone in our class named Saly s blonde. This arl is not blonde and nt in our class, so her name must not be Go to Subenit Quiz HEWLETT-P ho 12 | nsprt sc delet 9 backspa

Explanation / Answer

The fallacy of reverse inference in fMRI interpretations is when brain activity is reverse linked with a cognitive function without testing for the cognitive function as whenever that process takes place that brain part is activated so the reverse is also assumed to be true. Poldrack sees this as a problem as one brain part can have multiple functions so using reverse inferencing is not valid in such cases.

A similar reverse inference is occuring in this statement. Just like in the brain area example, a girl with blond hair can have many names, other than Sally.

Everyone in our class named Sally is blond, The girl in our class is blond, her name must be Sally.

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