Pain Research and Management / 2016 / Article / Tab 1

Research Article

The Cognitive Functions in Adults with Chronic Pain: A Comparative Study

Table 1

Description of the cognitive outcome measures (in order of use in the study).

OrderAssessmentConstruct[s] measuredDescription and method of administration

1Contextual Memory TestShort-term memoryThe test screens and monitors memory by presenting 20 pictures of related objects for about 90 seconds. The participant is asked to recall the items immediately [short-term memory] and then again after 20 minutes [long-term memory]
2A Quick TestExecutive functioningThe participant is presented with 40 different stimuli and is asked to name the color [not shape] of each stimulus as fast and as accurately as possible. The scores are recorded in terms of accuracy and time taken for each item set
3Trail Making TestAlternating attentionThe test requires the participant to draw lines connecting numbers and letters in an alternating and ascending order
4Digit Forward TestShort-term memoryThe test requires the participant to repeat the numbers heard by the examiner in the same order as given, with number of digits to be remembered increasing with each trial
5Digit Backward TestWorking memoryThe test requires the participant to repeat the numbers heard by the examiner in a reversed (backward) order, with the number of digits increasing with each trial
6Contextual Memory TestLong-term memorySee number 1. The participant is asked to recall the items presented 20 minutes ago
7D2 testSelective attention Processing SpeedThe test requires the examinee to cross out the letters “d” with two dashes, on a sheet with 14 lines, each with 47 characters, for a total of 658 items. Selective attention is the number of errors, and “remaining items” not crossed off are the processing speed

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