| 词条 | Paced Auditory Serial Addition Test |
| 释义 |
Originally the test was known as the Paced Auditory Serial Addition Task (PASAT). The subjects are given in the version used as part of the Multiple Sclerosis Functional Composite a number every 3 seconds and are asked to add the number they just heard with the number they heard before. This is a challenging task that involves working memory, attention and arithmetic capabilities. Versions with numbers presented every 2 seconds are also available. The original version presented the numbers every 2.4 seconds with 0.4 decrements for subsequent trials. The PASAT was originally developed for use in evaluating patients with head injury.[2] The advantage in this population was supposed to be minimal practice effects. This test has been widely used in other conditions besides traumatic brain injury. Multiple sclerosisIt has become widely used in the testing of patients with multiple sclerosis as patients with this disease frequently have an impaired performance on this test. The PASAT was included in the Multiple Sclerosis Functional Composite [3] as a cognitive measure. However, the use of the PASAT in clinical trials in MS it has shown to be problematic as there are significant practice effects over repeated measures; typically the effect of treatment is reflected by a larger improvement on the test compared to the control group. References1. ^Spreen O., Strauss E.: A Compendium of Neuropsychological Tests; ²1998; New York, Oxford University press 2. ^Gronwall DM. Paced auditory serial-addition task: a measure of recovery from concussion. Percept Mot Skills. 1977 Apr;44(2):367–373 3. ^Fischer S. et al. (2001) Multiple Sclerosis Functional Composite, New York; The National Multiple Sclerosis Society http://pasat.us/PDF/MSFC_Manual.pdf seen Oct 26, 2010 Brainmetric PASAT - http://brainmetric.com/products/pasat.htm {{Neuropsychology tests}} 5 : Cognitive tests|Neuropsychology|Clinical psychology|Neuropsychological tests|Psychological testing |
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