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Prospective Memory Loss and Related White Matter Changes in Patients with Amnestic Mild Cognitive Impairment

Yoon B, Ryu SY, Yoon SJ

BACKGROUND AND PURPOSE: Prospective memory (PM) has a known relationship with frontal function, and PM decline has been observed in amnestic mild cognitive impairment (aMCI). Cerebral small vessel disease, as...
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¹⁸F-THK5351 PET Imaging in Nonfluent-Agrammatic Variant Primary Progressive Aphasia

Yoon CW, Jeong HJ, Seo S, Lee SY, Suh MK, Heo JH, Lee YB, Park KH, Okamura N, Lee KM, Noh Y

BACKGROUND AND PURPOSE: To analyze 18F-THK5351 positron emission tomography (PET) scans of patients with clinically diagnosed nonfluent/agrammatic variant primary progressive aphasia (navPPA). METHODS: Thirty-one participants, including those with Alzheimer's disease (AD,...
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Usefulness of the Clock Drawing Test as a Cognitive Screening Instrument for Mild Cognitive Impairment and Mild Dementia: an Evaluation Using Three Scoring Systems

Kim S, Jahng S, Yu KH, Lee BC, Kang Y

BACKGROUND AND PURPOSE: Although the clock drawing test (CDT) is a widely used cognitive screening instrument, there have been inconsistent findings regarding its utility with various scoring systems in patients...
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FDG PET Findings according to Wandering Patterns of Patients with Drug-naïve Alzheimer's Disease

Yang Y, Kwak YT

BACKGROUND AND PURPOSE: To explore anatomic substrate of specific wandering patterns in patients with Alzheimer's disease (AD) by performing positron emission tomography with 18F fluorodeoxyglucose positron emission tomography (FDG PET). METHODS:...
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Artificial Neural Network: Understanding the Basic Concepts without Mathematics

Han SH, Kim KW, Kim S, Youn YC

Machine learning is where a machine (i.e., computer) determines for itself how input data is processed and predicts outcomes when provided with new data. An artificial neural network is a...
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Characteristics of Cerebral Microbleeds

Lee J, Sohn EH, Oh E, Lee AY

Cerebral microbleeds (CMBs) are increasingly recognized neuroimaging findings, occurring with cerebrovascular disease, dementia, and aging. CMBs are associated with subsequent hemorrhagic and ischemic stroke, and also with an increased risk...
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