Abstract
BackgroundMemory performance of an individual (within the age range: 50–55 years old) showing superior memory abilities (protagonist PR) was compared to an age- and education-matched reference group in a historical facts (“famous events”) retrieval task.ResultsContrasting task versus baseline performance both PR and the reference group showed fMRI activation patterns in parietal and occipital brain regions. The reference group additionally demonstrated activation patterns in cingulate gyrus, whereas PR showed additional widespread activation patterns comprising frontal and cerebellar brain regions. The direct comparison between PR and the reference group revealed larger fMRI contrasts for PR in right frontal, superior temporal and cerebellar brain regions.ConclusionsIt was concluded that PR generally recruits brain regions as normal memory performers do, but in a more elaborate way, and furthermore, that he applied a memory-strategy that potentially includes executively driven multi-modal transcoding of information and recruitment of implicit memory resources.
Highlights
IntroductionMemory performance of an individual (within the age range: 50–55 years old) showing superior memory abilities (protagonist PR) was compared to an age- and education-matched reference group in a historical facts (“famous events”) retrieval task
Memory performance of an individual showing superior memory abilities was compared to an age- and education-matched reference group in a historical facts (“famous events”) retrieval task
Parker et al [7] proposed a specific form of superior memory performance, the hyperthymestic syndrome (HS), which is characterized by superior memory that is assumed to be automatically organized, and not based on explicit mnemonic strategies
Summary
Memory performance of an individual (within the age range: 50–55 years old) showing superior memory abilities (protagonist PR) was compared to an age- and education-matched reference group in a historical facts (“famous events”) retrieval task. LTM performance might be facilitated by the application of optimal learning strategies [14, 15] and/or the existence of elaborated, domain-specific expert knowledge networks [16], to which new information can be both efficiently associated to and recalled from. Parker et al [7] proposed a specific form of superior memory performance, the hyperthymestic syndrome (HS), which is characterized by superior memory that is assumed to be automatically organized, and not based on explicit mnemonic strategies. It addresses idiosyncratic memory domains; these particular individuals do not necessarily score higher than average on standard memory tests tapping on information that is irrelevant for them. Norman Brown [17] put forth a model of “historical memory” elaboration that assumes
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