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In a laboratory, smokers are asked to “drive” using a computerized driving simulator equipped with a stick shift and a gas pedal. The object is to maximize the distance covered by driving as fast as possible on a winding road while avoiding rear-end collisions. Some of the participants smoke a real cigarette immediately before climbing into the driver’s seat. Others smoke a fake cigarette without nicotine. You are interested in comparing how many collisions the two groups have. In this study, the independent variable is the __________.

In the statement “Critical thinking requires reasoned judgments,” the word reasoned means __________.

A college student is having difficulty staying awake during the day and sleeping through the night. Her difficulties are MOST likely due to problems in the __________.

Rashad put his hand on a hot stove. Which neuron is responsible for sending a pain message up his spinal column, where it would then enter into the main area of the spinal cord?

Neurons found in the center of the spinal cord that receive information from the sensory neurons and send commands to the muscles through the motor neurons are called __________.

Ashlee is a single mother living in a project in a poor section of the city. She has addiction issues and just lost custody of her three children. What type of mental health professional is most likely to get involved in Ashlee’s situation?

The __________ lobe is the section of the brain located at the rear and bottom of each cerebral hemisphere and contains the visual centers of the brain.

If your __________ is damaged, you might walk oddly and have trouble standing normally.

GABA functions as __________.

Because they have similar chemical structures, morphine and heroin are able to lock into receptor sites for __________.