Mild cognitive impairment (MCI) is a condition in which a person has memory problems greater than those expected for his or her age. Mild Cognitive Impairment is the condition in which patient shows only a short-term memory loss and no other decline in thought process that can be measured objectively in a medical evaluation.. Mild cognitive impairment has been called questionable dementia, an isolated short-term memory loss, an amnestic dementia, a mild neuropsychological decline, possible or probable alzheimer’s disease(AD), and many other terms. Different subtypes of MCI are recognized. One common classification distinguishes between amnestic and nonamnestic forms of MCI. In the current review article we have reviewed different evaluation methods for memory impairment in MCI, and identify the primary issues in understanding memory impairment in MCI and selecting tasks with diagnostic and prognostic value. Evaluation of MCI is done by various methods like, neuro-psychiatric interview, comprehensive neurological exams, written neuro-psychiatric evaluation tools, Clock drawing test, free and cued selective reminding test (FCSR), physical examination and laboratory tests, electrophysiologic testing including EEG, MRI, MR Spectroscopy, serologic and CSF testing, brain imaging, Each test has its own merits and demerits, hence selection of right diagnostic method is very crucial.
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