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Leslie, a student, is introduced to smoking cigarettes by her friends. After smoking a cigarette for the first time, she experiences an immense high of nicotine. However, after two months of smoking, Leslie is able to experience the same high only after smoking six cigarettes. Which of the following best explains Leslie’s need to smoke an increased number of cigarettes to get the same effect?

Describe the trichromatic theory of color vision and explain the major weakness of this theory.

Maria has been a victim of domestic violence for approximately nine years but has been unable to walk out of the relationship. Which of the following conditioning concepts would best aid in understanding Maria’s behavior?

Dreams are a unique “level” of consciousness in that arousal is ____ but awareness is ______.

Though Evan has been driving around the racecourse with Bob many times, he hasn’t seemed to get any faster. Though Bob says Evan just isn’t “built” to be a racer, Pops decides to offer Evan a price if he can beat Bob’s best time. Surprising Pops and Bob, Evan races around the course and beats Bob’s time on his first try. Any good psychologist would not be surprised by this as this is a classic example of

In the ________ of pain perception, fibers connect directly with the thalamus and then to the motor and sensory areas of the cerebral cortex.

______ is a need for a drug that causes unpleasant withdrawal symptoms, such as pain or craving for the drug when it is discontinued.

REM stands for_________ sleep.

Which of the following statements is TRUE of the cones of the eye’s retina?

In the context of the auditory system, frequency theory states that the perception of a sound’s frequency depends on how often the auditory nerve fires.