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Clinical Trial Summary

The investigators evaluated whether it was possible to improve the measurement of memory, attention, and executive function in patients who have suffered traumatic brain injury through the use of computer-based testing.

Note: the original design of the study was altered due to failure to recruit sufficient numbers of patients who were willing to undergo prolonged cognitive training.


Clinical Trial Description

Here we describe a series of computer-based tests that were used to evaluate memory, attention, and executive function in large groups of control subjects and in patients with chronic mild and moderate/severe TBI. This extensive battery of neuropsychological tests (NPTs) and subjective rating scale measures were obtained at study entry from the TBI cohort. NPT and rating scale data were compared to those obtained from control subjects to characterize the cognitive deficits following mild, moderate and severe TBI. .

Normative data were obtained by regressing the influences of age, education, and computer use on scores to create normed z-scores on different NPTs,. We hypothesized that patient with TBI would show deficits on tests of memory, attention, and executive function relative to their predicted z-scores (based on the aforementioned regression functions) and that deficits would be more pronounced in patients with severe TBI than in patients with mild TBI. ;


Study Design

Observational Model: Ecologic or Community, Time Perspective: Cross-Sectional


Related Conditions & MeSH terms


NCT number NCT00927576
Study type Observational
Source VA Office of Research and Development
Contact
Status Completed
Phase N/A
Start date July 2009
Completion date March 2013

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