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Describe the physiological evidence surrounding categories from studies using fMRI and patients with brain damage. What does this evidence tell us about the nature of categorization in the mind and brain?

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It is possible for a test case to be thought of as typical of a category, despite not being a member of that category. Which of the following examples is consistent with this idea?


A) Whales are more typical of fish than sea lampreys.
B) A squashed lemon that has been painted purple is more typical of fruit than an apple.
C) A poodle is more typical of a dog than a golden retriever.
D) Abraham Lincoln is a typical American president.

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If asked to name as many birds as they can, participants are MOST likely to name


A) larger birds (e.g., hawk, owl) .
B) distinctive birds (e.g., vulture, penguin) .
C) birds associated with other familiar concepts (e.g., turkey, bald eagle) .
D) birds resembling the prototype (e.g., robin, sparrow) .

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The fMRI evidence suggests that the brain areas that are activated for inanimate objects will


A) be identical to the active areas for animate objects.
B) be different from the active areas for animate objects.
C) be localized to one hemisphere, while animate objects will be in the same region in the other hemisphere.
D) occasionally match the area for animate objects, depending on the nature of the inanimate object.

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Which of these is NOT true about a heuristic strategy?


A) It may categorize a bat as a type of bird.
B) We use it when we are particularly concerned about accuracy.
C) It emphasizes the resemblance of an object to the superficial features of a prototype.
D) It allows efficiency even if this implies a risk of occasional error.

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According to exemplar-based theories of mental categories, participants identify an object by comparing it to a


A) prototype.
B) single remembered instance of the category.
C) definition.
D) mental image.

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Assuming a PDP framework, describe the process by which the concept "Mike Tyson is a boxer" would be updated to "Mike Tyson is an actor."

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According to prototype theory, the prototype selected for comparison will NOT be the


A) ideal for a category.
B) average of various category members.
C) same for every person.
D) central tendency (middle) of all category members.

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Generally, typicality can be used to determine category membership; however, there are exceptions to this rule. Provide an example of an object that is very typical of a category but does not belong to the category. Using the concepts described in the book, explain why it is perceived as belonging to the group and then explain why it would not be categorized as a group member.

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In order to differentiate between concepts like "Sam has a dog" and "Sam is a dog," information is stored


A) with propositions.
B) with prepositions.
C) in different parts of the brain.
D) in a linear fashion.

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Participants know that penguins are not typical birds, but they are certain that penguins are birds. This indicates that judgments about category membership


A) depend on a judgment of typicality.
B) are not settled entirely by an assessment of typicality.
C) rely on comparing the example to a prototype.
D) do not conform to the requirements of a definition.

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Which of the following benefits does a hierarchical network provide?


A) Information can be searched for equally quickly across all levels of the network.
B) It is efficient because information is stored only once.
C) Information is stored repeatedly to ensure accuracy.
D) Information is organized according to use, so that more common representations can be accessed more quickly.

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Participants are asked to make up sentences about the category "birds." Which of the following is LEAST likely to be true about this task?


A) Among other tasks, this task provides evidence for the use of prototypes in categories.
B) Participants often have a wide range of birds in mind when generating these sentences.
C) Future participants will judge modified sentences where the name of a nonprototypical bird is substituted for the word "bird" as ridiculous.
D) The sensibility of a sentence is usually unchanged if the name of a prototypical bird is substituted for the word "bird."

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Exemplar and prototype theories are similar in the following ways EXCEPT that


A) both theories require the triggering of a memory.
B) both theories require previous memories to be averaged, or combined.
C) both theories require a judgment of resemblance.
D) conclusions for both processes are based on resemblance.

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Basic-level categories have all of the following traits EXCEPT


A) if asked simply to describe an object, participants are likely to use the basic-level term.
B) basic-level categories are usually represented in the language by a single word.
C) basic-level descriptions are more difficult to remember than more general descriptions.
D) basic-level terms are acquired by children at a younger age than either more specific or more general terms.

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It seems unlikely that our conceptual knowledge is represented by mental definitions because


A) each person has his or her own idea about how concepts should be defined.
B) many of our abstract concepts (e.g., justice, love, God) are difficult to define.
C) it is easy to find exceptions to any proposed definition.
D) most of our concepts are difficult to express in words.

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Categorization is plainly influenced by judgments about resemblance, but it is also influenced by factors other than resemblance. Which of the following is NOT part of the evidence indicating the importance of these other factors?


A) People sometimes judge an object to be in a category despite the fact that it has virtually no resemblance to other objects in that category.
B) Resemblance plays a key role in the use of prototypes but plays no role in the well-documented use of exemplars.
C) Resemblance is typically determined by relatively superficial perceptual features, but sometimes categorization depends on deeper essential properties of the category.
D) In order to make judgments according to resemblance, we must be guided by other beliefs about which properties matter; otherwise, our judgments of resemblance may be guided by irrelevant attributes of the object.

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Categorization models based on family resemblance rely on


A) the definition of each category.
B) feature overlap among the members of a category.
C) the necessary conditions for membership in a category.
D) the sufficient conditions for membership in a category.

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The term "connection weights" refers to the


A) number of nodes.
B) size of connections between nodes.
C) strength of connections between nodes.
D) number of connections between nodes.

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An important difference between categorization via exemplars and categorization via prototypes is that according to exemplar theory,


A) the standard used in a particular category can vary from one occasion to the next.
B) one categorizes objects by comparing them to a mentally represented standard.
C) categorization depends on a judgment of resemblance.
D) categories are represented in the mind by a single relatively concrete illustration of the category.

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