Chat with AIExam 11: Hemispheric Specialization
Speculate about the relationship between language lateralization and handedness in the human species.In your answer,describe Corballis's notion of the generative assembling device.
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Answered by Examlex AI CopilotLanguage lateralization refers to the phenomenon where certain language functions are localized to one hemisphere of the brain, typically the left hemisphere in right-handed individuals. Handedness, on the other hand, refers to the preference for using one hand over the other, with the majority of the human population being right-handed.
Michael Corballis, a prominent psychologist, proposed the notion of the generative assembling device to explain the relationship between language lateralization and handedness. According to Corballis, the generative assembling device is a cognitive mechanism that allows humans to generate and assemble complex hierarchical structures, such as language, music, and tool use. This device is thought to be lateralized to the left hemisphere in right-handed individuals, which may explain the prevalence of left hemisphere language dominance in the human species.
Corballis's notion suggests that the lateralization of language functions to the left hemisphere may be related to the dominance of right-handedness in the human population. It is possible that the same genetic or developmental factors that lead to right-handedness also contribute to the lateralization of language functions to the left hemisphere. However, it is important to note that there is still ongoing research and debate in the field of neuroscience and psychology regarding the exact nature of the relationship between language lateralization and handedness in the human species.
Visual information that is presented briefly to the ________ visual field is processed first by the left half of each retina and then by the ________ hemisphere of the brain.
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VerifiedB
The spatial-frequency hypothesis suggests that the representation of spatial frequency might be the computational basis for hemispheric asymmetries in visual perception.
(32) VerifiedTrue
Drawings of hierarchical figures by people with left-hemisphere lesions are likely to focus on local elements while missing global structure.
(37) Based on the work of Navon (1977),which of the following types of stimuli would probably produce the longest reaction times if participants were required to detect the presence of an "L" in the figure?
(47) Describe a visual field experiment involving a patient who has undergone the split-brain procedure.In your answer,provide at least one example of a question this person would not be able to answer under these conditions.Would this pose a problem for this person in his or her daily life? Why or why not?
(30) Which of the following is a methodological issue that arises in studies investigating cerebral laterality in split-brain patients?
(40) One advantage to studying cerebral laterality from an information-processing perspective rather than a task-based perspective is that the information-processing approach
(37) Examination of cerebral organization in the left and right hemispheres indicates that
(45) Studies of cerebral laterality in nonhuman species indicate that hemispheric differences
(32) Shown here is an example of a stimulus used by Kosslyn and colleagues (1989)in experiments asking participants to judge whether the dot should be categorized as being above or below the line.It was found that performance on the task was faster when the stimulus was presented in the right visual field.Although one interpretation may be that the left hemisphere is specialized for categorical processing,an alternative explanation is that this task
(38) According to Kosslyn (1987),the left hemisphere is more efficient in processing ________ information about objects and the right hemisphere is more efficient in processing ________ information about objects.
(39) A small object,such as a key,is placed in the right hand of a split-brain patient who has her eyes closed.Assuming that this person has left-hemisphere language dominance,which of the following best describes her ability to report information about the object based on how it feels?
(31) Kitterle and colleagues (1990)examined laterality and spatial-frequency processing in neurologically intact people.These researchers showed that relatively high-spatial-frequency gratings were identified faster when presented to the ________,and relatively low-spatial-frequency gratings were identified faster when presented to the ________.
(38) One theory of the relation between language and handedness suggests that both speech and dexterity have strong generative components.
(37) Which of the following is NOT an anatomical or physiological difference between the cerebral hemispheres?
(37) Which of the following statements best describes the correlation between handedness and hemisphere dominance for language function in humans?
(41) Assessment of the visual processing carried out by each hemisphere in split-brain patients usually involves the brief simultaneous presentation of different stimuli to each visual field while the participant fixates on a central point in space.Why is it necessary to ensure that stimulus presentation is brief?
(34) Brain asymmetries are restricted to the cerebral cortex and are not found in subcortical structures.
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