PSYC380 : Quiz- Cognitive Functions and Psychological Disorders

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May 11, 2024

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PSYC380 / Quiz: Cognitive Functions and Psychological Disorders Question 1 3.25 / 3.25 pts Can a split-brain person name an object after feeling it with the right hand? With the left hand? Yes, with either hand No, with neither hand Only with the right hand Only with the left hand Question 2 3.25 / 3.25 pts What is meant by “inattentional blindness”? When your mind wanders, your receptors become less sensitive. Closing your eyes decreases your attention level. You briefly become motion-blind while moving your eyes. You often don’t notice something changing in a complex scene. Incorrect Question 3 0 / 3.25 pts When is a fluctuating blood pressure a risk factor for cognitive decline? During childhood In adolescence During early adulthood In old age Fluctuating blood pressure is a risk factor for cognitive decline in old age . Incorrect Question 4 0 / 3.25 pts If you have to learn which of two choices is better, how does the ventromedial prefrontal cortex function? It relays decisions made in other brain areas to the motor cortex. It learns about new information quickly.
It gradually learns over many trials which choice is usually better. It favors a decision based on only the first few trials. A: Cells in the ventromedial prefrontal cortex also participate, by rapidly learning new information. If the basal ganglia gradually learned that choice A is usually better than B, but something now favors choice B, the rapid-learning prefrontal cortex can overrule the slower-learning basal ganglia . Question 5 3.25 / 3.25 pts What happens when people regain consciousness after anesthesia? Temporary decrease in transmission across the corpus callosum Increased activity at GABA synapses throughout the cortex Increased connectivity between subcortical and cortical areas Increased blood flow to the pineal gland Question 6 3.25 / 3.25 pts A split-brain person would be unable to describe in words which of the following? Something seen only in the left visual field Something seen only in the right visual field Something seen only by the left eye Something seen only by the right eye Question 7 3.25 / 3.25 pts What brain areas are important for value decisions and also for understanding other people’s emotional expressions? Ventromedial prefrontal cortex and orbitofrontal cortex Putamen and caudate nucleus Left fusiform gyrus and right precentral gyrus Broca’s area and Wernicke’s area Incorrect Question 8 0 / 3.25 pts
In one study, what did people with left-hemisphere damage do better than most other people? Proofread a document for spelling errors Draw different things with the two hands at the same time Guess whether someone was telling the truth or lying Learn to understand a foreign language A: The group that performed best was people with left-hemisphere brain damage. They got only 60 percent correct—not great, but at least better than chance. People with an intact left hemisphere relied on the left hemisphere’s analysis of what people were saying. Those with left-hemisphere damage relied on the right hemisphere’s more intuitive reactions to emotional expressions. Question 9 3.25 / 3.25 pts Looking at pictures of someone you love activates the same brain areas as which of these? Tool use Reading Visuo-spatial processing Addictive drugs Question 10 3.25 / 3.25 pts How does Broca’s aphasia differ from Wernicke’s aphasia? Broca’s aphasia impairs mostly understanding, and Wernicke’s impairs mostly production. Broca’s aphasia impairs mostly production, and Wernicke’s impairs mostly understanding. Broca’s aphasia comes from left-hemisphere damage, and Wernicke’s is from the right. Broca’s aphasia comes from right-hemisphere damage, and Wernicke’s is from the left. Question 11 3.25 / 3.25 pts When people had the right hemisphere temporarily inactivated, which of these happened? They spoke more rapidly and more grammatically. They described imaginary events as if they were real.
They lost their ability to make mathematical calculations. They described their past experiences without emotion. Question 12 3.25 / 3.25 pts During binocular rivalry, what happens to the stimulus you do not see at a given moment? The stimulus does not even reach the visual cortex. The visual cortex responds to it but then you erase the representation. You store it in your hippocampus and dream about it later. You shift your attention to it if it is especially meaningful. Question 13 3.25 / 3.25 pts Why was the discovery of Broca’s area important in the history of neurology? It showed that brain anatomy is the same for humans as for chimpanzees. It showed that training could reverse the effects of brain damage. It showed that a brain area could have a distinct function. It showed that brain anatomy changes as people grow older. Question 14 3.25 / 3.25 pts Which of the following is a common result of frontotemporal dementia? Loss of memory from experiences early in life Frequent, sudden attacks of anxiety Loss of control of the muscles in the legs Lack of response to other people’s distress Question 15 3.25 / 3.25 pts Which hormones are believed to intensify love relationships? Leptin and ghrelin Testosterone and cortisol
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