Imagine That Researchers Have Developed a Drug That (Temporarily)disrupts a Person's

question 34

Multiple Choice

Imagine that researchers have developed a drug that (temporarily) disrupts a person's ability to focus his or her attention.Let's say that we give this drug to someone,and then ask that person to search through various displays,looking for certain targets.We would expect the drug to

• A)have minimal impact on visual search strategies.
• B)be equally disruptive if the person is searching for a target defined by a single feature (e.g. ,"Find the red shape")or if the person is searching for a target defined by a conjunction of features (e.g. ,"Find the shape that is red and round").
• C)disrupt the search for a target defined by a single feature (e.g. ,"Find the red shape").
• D)disrupt the search for a target defined by a conjunction of features (e.g. ,"Find the shape that is red and round").

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Definitions:

Inhibitory Neurotransmitter

A type of chemical messenger in the brain that reduces the likelihood of a neuron firing, thereby dampening neural activity.

Computerized Axial Tomography

A medical imaging technique that uses computer-processed combinations of many X-ray measurements taken from different angles to produce cross-sectional images of specific areas of a scanned object.

Three-dimensional Image

An image that provides the perception of depth, making objects in it appear to be in three dimensions.

Induce Labor

Medical procedures or interventions used to stimulate uterine contractions before spontaneous labor begins, with the goal of achieving vaginal delivery.