Psych101
Ben was enjoying a walk in the woods on a beautiful Saturday afternoon. As he went around a curve, he noticed a bear walking toward him. Immediately his pupils dilated, he began to perspire, and his heart accelerated. These changes are most closely related to the function of which of the following?
Sympathetic Nervous System
Information is relayed to the spinal cord or the brain by...
Sensory Neurons
In adult humans, which of the following is typically true of REM sleep?
A.) It is correlated with dreaming.
B.) It alternates with NREM sleep in 30-minute cycles.
C.) It occurs during the first half of an individual’s sleep cycle.
D.) It involves decreased blood pressure and heart rate.
A. Correlated with dreaming
Damage to the occipital lobe would most likely affect a person’s...
Vision
Dr. Britt is interested in pain perception while participants are practicing meditation. She asked participants to report their pain on a scale from 1 to 10, where a higher number indicates more pain. The scores for Dr. Britt’s study were 1, 10, 4, 3, 3, 4, 6, 7, 3, and 9.
Which of the following is the median for these reported study scores?
4
A person displays behaviors of a psychological disorder that psychologists in the United States have not seen before. The best strategy to investigate the nature of those behaviors is to conduct which of the following?
Case Study
Michael is walking in the woods when he is suddenly startled by a dangerous-looking snake directly in his path. Which of the following brain structures is responsible for triggering his fear?
Amygdala
When Alexus traveled to another country, she experienced jet lag and had trouble adjusting to the new time zone. Alexus is most likely experiencing a disruption to her...
Circadian Rhythm
John walks into art class and is overwhelmed by the smell of paint. However, the longer he stays in the room, the less noticeable the smell becomes. Which of the following appears to be operating in this instance?
A.) Subliminal perception
B.) Sensory adaptation
C.) Absolute threshold
D.) Signal detection
B. Sensory Adaptation
In a research study on the multi-store method of memory, one group of randomly assigned high school students were given 5 minutes to rehearse details about a stimulus after being exposed to it for 15 seconds. A second group were not given time to rehearse the details of the stimulus. Which of the following research designs best represents this study?
Experiment
Which of the following terms refers to the brain’s ability to physically change over time in reaction to experiences?
Neuroplasticity
The thalamus processes information for all of the following senses EXCEPT
Smell
A participant in a study of music perception listens to music with electrodes attached to her scalp while data are collected on the activity of her brain. This technique is called
EEG (Electroencepholagram)
Balance is influenced by the
semicircular canals
The result of the evolutionary process that preserves traits that enhance the adaptation of an organism and suppresses traits that do not is called...
Natural Selection
Dimitri and Dominic are identical twins who were separated at birth and raised by different families. When they found each other through DNA tracking, they were surprised to see how different they were. Which research method would a psychologist most likely use to document their behavioral differences?
Correlational Study
A neuron receives an excitatory neurotransmitter and fires an action potential. What is the correct term for the time shortly after a neuron fires and before it fires again?
Refractory Period
Thirty-five-year-old Tuong awakens briefly many times each night gasping for breath. Although she does not remember these awakenings the next day, they keep her from getting a restful night’s sleep. Tuong is most likely experiencing which sleep disorder?
Sleep Apnea
Janna is an artist and likes using bright, pastel colors in her art. Which photoreceptor is responsible for color vision?
Cones
A researcher is interested in determining whether an intervention designed to increase prosocial behavior could be used by people outside of their university campus. In order to yield information that is generalizable to the population from which it was drawn, a sample must be...
Representative of the population
Dr. Charap is interested in testing whether people who use gender-neutral pronouns are more likely to help others in an emergency. Dr. Charap plans to go to a crowded music festival and have a confederate act as though they are having a medical emergency. As Dr. Charap plans the study, getting informed consent from the participants is a priority.
In a research study, informed consent is a concern of which of the following?
Ethics
Consider the relationship between various body parts and the size of their corresponding somatosensory cortex areas in the brain. How does a body part relate to the devoted cortical area?
The more sensitive the body part, the larger the area of the somatosensory cortex.
A researcher wants to examine how much information from waking life ends up in dreams. The researcher recruits 40 volunteers from a local community college to record the details of their daily activities. The participants will be given a sleep monitor that gently wakes them each time they end an REM cycle, after which they will complete a detailed dream diary. The study is planned to last for two weeks. Why would an institutional review board be hesitant to approve this study?
The researchers are disrupting sleep for an extended period, which may cause harm.
A doctor is assessing a patient with a sensory disorder. In the first assessment, she asks the patient to touch his nose with his eyes closed. In the next assessment, she asks the patient to walk a short distance with his eyes closed. Which sense is the doctor most likely evaluating?
Kinesthesis
What is the name of Mr. B's son and dog?
Miles and Bro