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Cognitive impairment and dementia screening and assessment tools

Abbreviated mental test score

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Abbreviated mental test score

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Abbreviated mental test score
Purpose	determine dementia in the elderly

The Abbreviated Mental Test score (AMTS) is a 10-point test for rapidly assessing elderly patients for the possibility of dementia. It was first used in 1972, and is now sometimes also used to assess for mental confusion (including delirium) and other cognitive impairments.

A 4-item version called the Abbreviated Mental Test - 4 (AMT4) has been developed and tested.

Questionnaire

The following questions are put to the patient. Each question correctly answered scores one point. A score of 7–8 or less suggests cognitive impairment at the time of testing, although further and more formal tests are necessary to confirm a diagnosis of dementia, delirium or other causes of cognitive impairment. Culturally-specific questions may vary based on region.

Question	Score
What is your age? (1 point)
What is the time to the nearest hour? (1 point)
Give the patient an address, and ask him or her to repeat it at the end of the test. (1 point) e.g. 42 West Street
What is the year? (1 point)
What is the name of this place (e.g. hospital) (1 point)
Can the patient recognize two persons (the doctor, nurse, home help, etc.)? (1 point)
What is your date of birth? (day and month sufficient) (1 point)
In what year did World War 2 end? (1 point) (other dates can be used, with a preference for dates some time in the past.)
Name the current President/Prime Minister/Monarch. (1 point)
Count backwards from 20 down to 1. (1 point)

Abbreviated Mental Test - 4 (AMT4)

The AMT4 uses 4 items from the AMTS: (i) What is your age? (ii) What is your date of birth? (iii) What is the name of this place? (iv) What is the year? A cut off score of 3/4 performs comparably to an AMTS cut-off score of 8/9. The AMT4 is part of the 4AT scale for delirium.

v t e Neuropsychological tests
Battery	Cognistat Halstead-Reitan Neuropsychological Battery Luria–Nebraska Neuropsychological Battery Montreal Cognitive Assessment Repeatable Battery for the Assessment of Neuropsychological Status
Arousal/Attention	Continuous performance task D2 Test of Attention Four boxes test Galveston Orientation and Amnesia Test Morningness–eveningness questionnaire Paced Auditory Serial Addition Test Posner cueing task Test of everyday attention Test of Variables of Attention
Sensation/Perception	Bender-Gestalt Test Benton Visual Retention Test Dot cancellation test Judgment of Line Orientation Navon figure Rey–Osterrieth complex figure
Memory	1-2-AX working memory task California Verbal Learning Test Corsi block-tapping test Digit symbol substitution test Doors and People MCI Screen Wechsler Memory Scale
Language	Boston Diagnostic Aphasia Examination Boston Naming Test Comprehensive aphasia test Controlled Oral Word Association Test Thurstone Word Fluency Test
Motor	Compensatory tracking task Purdue Pegboard Test
Problem-solving	Delis–Kaplan Executive Function System Hayling and Brixton tests Tower of London test Trail Making Test Wisconsin Card Sorting Test
Sleep	Epworth Sleepiness Scale
Specific impairments	British Columbia Postconcussion Symptom Inventory Clinical Dementia Rating Digit Cancellation Test Disability Rating Scale Florida Cognitive Activities Scale Glasgow Coma Scale Glasgow Outcome Scale Pediatric Attention Disorders Diagnostic Screener Rivermead post-concussion symptoms questionnaire
Intelligence	National Adult Reading Test Wechsler Adult Intelligence Scale Wechsler Intelligence Scale for Children Wechsler Preschool and Primary Scale of Intelligence Wechsler Test of Adult Reading
Bed-side	Abbreviated mental test score Addenbrooke's Cognitive Examination General Practitioner Assessment of Cognition Mini–mental state examination
Social	Vineland Adaptive Behavior Scale
Malingering	Test of Memory Malingering

Abbreviated mental test score

Questionnaire

Abbreviated Mental Test - 4 (AMT4)

See also