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Questions and Answers
What is Mild Cognitive Impairment (MCI)?
What is Mild Cognitive Impairment (MCI)?
- A chronic, acquired loss of cognitive abilities caused by brain disease or injury
- A condition in which a person's performance on objective neuropsychological testing of cognition is normal
- A condition in which a person's performance on objective neuropsychological testing of cognition is lower than normal (correct)
- A condition in which a person's performance on objective neuropsychological testing of cognition is higher than normal
What is the difference between "amnestic" MCI and "non-amnestic" MCI?
What is the difference between "amnestic" MCI and "non-amnestic" MCI?
- Amnestic MCI is characterized by reduced cognitive performance in a non-memory domain, while non-amnestic MCI is characterized by reduced performance on memory
- Amnestic MCI is characterized by reduced performance on memory, while non-amnestic MCI is characterized by reduced cognitive performance in a non-memory domain (correct)
- Amnestic MCI is characterized by reduced performance on memory, while non-amnestic MCI is characterized by improved performance on memory
- Amnestic MCI is characterized by improved performance on memory, while non-amnestic MCI is characterized by reduced cognitive performance in a non-memory domain
What can cause fluctuations in cognition?
What can cause fluctuations in cognition?
- Neurodegenerative diseases (correct)
- Cerebrovascular disease
- Psychiatric conditions
- All of the above
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Study Notes
- Dementia is a chronic, acquired loss of cognitive abilities caused by brain disease or injury.
- Mild cognitive impairment is a condition in which a person's performance on objective neuropsychological testing of cognition is lower than normal, but with maintained daily functions.
- MCI can be categorized into "amnestic" MCI, in which reduced performance on memory is the key finding, versus "non-amnestic" MCI, in which reduced cognitive performance is in a non-memory domain such as language.
- MCI can also be characterized into "single domain" versus "multi-domain" MCI, in which multiple cognitive performance measures are impaired.
- Fluctuations in cognition are present in some conditions, such as neurodegenerative diseases, cerebrovascular disease, and psychiatric conditions, and with medications affecting cognition.
- Cognitive test results can be variable, and a person's cognitive status may become normal or fluctuate between MCI, normal cognition, and dementia.
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